Curriculum Vitae. E_MAIL:

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1 Curriculum Vitae Name: Yehia Abdou Ibrahim Nationality: Egyptian Date of birth: May 11, 1945 Place of birth: Cairo, Egypt Marital Status: Married, Two Daughters Address: Chemistry Department, Faculty of Science, Kuwait University Phone No in Kuwait: , mobile: Fax: Position and Address in Egypt: Professor of Organic Chemistry, (and former Director of the NMR Lab., Research Services Unit) Faculty of Science, Cairo University, Giza, Egypt E_MAIL: Academic Degrees and titles & Awards: B. Sc. (Chemistry) 1966, M. Sc. (Organic Chemistry) 1970, Ph. D. (Organic Chemistry) 1972 (Cairo University, Faculty of Science, Egypt), D.Sc. (Organic Chemistry) 1999 (Cairo University, Faculty of Science, Egypt). Instructor ( ), Lecturer ( ), Assistant Professor ( ), Professor of Organic Chemistry (1983-till now), Director of the NMR Lab., Research Services Unit ( ), (Faculty of Science, Cairo University). Professor ( ) United Arab Emirates University. Professor (1999-till now) Kuwait University. Egyptian State Award in Chemistry (1995). Faiza Al-Khrafi Prize for Researchers in the Faculty of Science, Kuwait University Academic Activity: A. Teaching: Basic Organic Chemistry, Physical Organic Chemistry (Pericyclic and Reaction Mechanism), Advanced Organic Synthesis, Photochemistry, Basic and Advanced Spectroscopy. B. Research: Synthesis and reactions of heterocyclic compounds, rearrangement and selective synthesis, photochemistry and cycloaddition reactions, Synthesis of macrocyclic polyether derivatives and analogs (including crown-formazans, crown amides, azacrown and thiacrowns) and their application in selective ion extraction and determination and in catalytic chemistry and stereoselective synthesis (other application are also now under investigation). C. Supervision of Graduate Students: About 50 M. Sc. and Ph. D. degrees were awarded under my supervision. D. Research Projects supported by Kuwait University: 1. SC02/99 P.I. (1 year project), ended July Final report submitted and accepted. 2. SC01/00 P.I. (2 years ends 31 March 2003). Final report submitted and accepted. 3. SC03/00 Co.I. (3 years ends 30 June 2004) Final report submitted and accepted. 4. SC06/01 P.I. (3 years ends 30 March 2005) Final report submitted and accepted. 5. SC10/02 P.I. (3 years) Final report submitted and accepted. 6. SC05/02 Co.I. (6 months). Final report submitted and accepted. 7. SC01/03 Co.I. (3 years) Final report submitted and accepted. 8. SC08/04 Co.I. (3 years): Y. A. Ibrahim (Co.I.), N. A. Al-Awadi (P.I.). Final report submitted and accepted. 9. SC04/05 P.I. (3 years): Y. A. Ibrahim (P.I.), N. A. Al-Awadi (Co.I.). Final report submitted and accepted. 10. SC02/07 P.I. (3 years): Y. A. Ibrahim (P.I.), T. Al-Azmi (Co.I.). Final report submitted and accepted. 11. SC10/09 P.I. (3 years): Y. A. Ibrahim (P.I.) (On going).

2 2 12. SC02/11 Co.I. (3 years): N. Al-Awadi (P.I.), Y. A. Ibrahim (Co.I.). (On going). E. Scientific Publications: About 150 publications in international Chemistry Journals beside many publications (lectures, oral presentations or posters) in International Chemistry Conferences (cf. attached list of publication). E. Membership with Scientific Societies: 1. Egyptian Society of Chemistry 2. Egyptian Society of Heterocyclic Chemistry 3. International Society of Heterocyclic Chemistry 4. Fulbright Alumni Association in Egypt F. Fellowships: 1. Postdoctoral ( ) University of Pennsylvania, Philadelphia,USA 2. Senior Fulbright Fellowship ( ), University of Washington, Seattle, USA 3. Visiting Professor, University of Konstanz, Germany (1982). 4. DAAD fellowship (July-September 1994). 5. DFG fellowship (July-September 1996). G. Other Activity: 1. Established the first high resolution NMR in Cairo University, which offer services to chemists and researchers nationwide. I also was the first to introduce lectures, seminars & courses in advanced NMR in Egypt (Techniques & Applications to Organic Chemists). 2. Referee for many papers in international Chemistry Journals 3. Referee for projects in Kuwait University 4. Reviewrs of progress and final reports on projects in Kuwait University. 5. Referee for Chemistry Book for a Saudi University. 6. Referee for promotion to Associate and full professorship in many Universities (Egyptian Universities, Sultan Qaboos University) 7. Program Director of the M.Sc. & Ph.D. program in Chemistry (Kuwait University) Convenor of the committee for selecting the winners of Faiza Al-Khrafi Prize in the Faculty of Science, Kuwait University Member in the committee for selecting the winners of Researchers Awards 2005/2006 (Distinguished Researchr & Best Yong Researcher) in the Faculty of Science, Kuwait University Member in many Faculty & Departmental Committees, Faculty of Science, Kuwait University since 1999 until now. 11. Member in the Promotion Committee, Faculty of Pharmacy, Kuwait University.

3 List of Publications 1. Reactions of some derivatives of 1,2,4-triazine with organomagnesium halides, hydrogen peroxide and p- thiocresol. A. K. Mansour and Y. A. Ibrahim, J. Prakt. Chem. 314, 896 (1972). (Taken from my Ph. D.). 2. The behavior of some derivatives of 1,2,4-triazine toward diazomethane, amines, ethyl monobromoacetate and tetra-o-acetyl- -D-glucopyranosyl bromide. A. K. Mansour and Y. A. Ibrahim, J. Prakt. Chem. 315, 221 (1973). (Taken from my Ph. D.). 3. Reactions of 2-aryl-2H-naphtho[1,2-d] -triazole-4,5-quinones with aldehydes, alkenes and Grignard reagents. A. K. Mansour, Y. A. Ibrahim and H. A. Zaher, J. Prakt. Chem. 315, 565 (1973). (Taken partly from my M. Sc.). 4. Studies on some 1,2,4-triazine derivatives-iv. The behavior of some derivatives of 1,2,4-triazines toward amines, alkylation and Mannich reaction. A. K. Mansour, Y. A. Ibrahim and M. M. Eid, Bull. Fac. Sci., Cairo Univ. 46, 549 (1973) [C. A. 88, (1978)]. 5. Behavior of some derivatives of 1,2,4-triazine toward phenyl magnesium bromide, methylation and Mannich reaction. A. K. Mansour, Y. A. Ibrahim and M. M. Eid. Indian J. Chem. 12, 301 (1974). 6. Reactions of some substituted 1,2,4-triazines with benzene under Friedel-Crafts conditions: Synthesis of new 5- substituted-6-azauracil derivatives. Y. A. Ibrahim and M. M. Eid, Indian J. Chem. 13, 1093 (1975). 7. Behavior of 1,2,4-triazines under Friedel-Crafts conditions and toward Mannich reaction. Y. A. Ibrahim, Indian J. Chem. 14B, 273 (1976). 8. Nucleoside derivatives of 1,2,4-triazines. A. K. Mansour, Y. A. Ibrahim and M. M. Eid, Z. Naturforsch. 31b, 505 (1976). 9. Condensed 1,2,4-triazines I. Behavior of phenanthro[9,10-e][1,2,4]triazine derivatives toward alkylating and reducing agents, Grignard reagents and amines. M. M. M. Sallam, Y. A. Ibrahim and S. A. L. Abdel- Hady, Helv. Chim. Acta 59, 1093 (1976). 10. Condensed 1,2,4-triazines II. Synthesis and structure of phenanthro[9,10-e][1,2,4]triazolo[4,5-b]as-triazine derivatives. Y. A. Ibrahim, H. A. Zaher and S, A. L. Abdel-Hady, Z. Naturforsch. 32b, 569 (1977). 11. Thermal fragmentation of some N-benzoylhydrazones. A. F. M. Fahmy, M. S. Fayed and Y. A. Ibrahim, Chem. & Industry (London) 36 (1978). 12. New use of P 2 S 5 /pyridine reagent for the formation of condensed thiophenes. Thieno[2,3-e]-[1,2,4]triazines. Y. A. Ibrahim, Chem. & Industry (London) 585 (1978). 13. Synthesis of 4-imidazolin-2-ones via the Birch reduction of hydantoins. H. A. Divanfard, Y. A. Ibrahim and M. M. Joullie, J.Heterocycl. Chem. 15, 691 (1978). 14. Synthesis of certain mescaline derivatives for pharmacological study. A. M. Kadry, Y. A. Ibrahim, K. M. Ghoniem and M. Khalifa, P harmazie 34, 229 (1979). 15. A convenient synthesis of 2-arylthieno[2,3-b]quinoxalines. Y. A. Ibrahim, Chem. & Industry (London) 536 (1980). 16. Rearrangement of 4-aryl-1,2,4-triazines into the 4-amino derivatives. Y. A. Ibrahim, M. M. Eid and S. A. L. Abdel-Hady, J. Heterocycl. Chem. 17, 1733 (1980). 17. Reaction of 4-aryl-1,2,4-triazines with hydrazine. Y. A. Ibrahim, M. M. Eid, S. A. L. Abdel-Hady and M. A. Badawy, J. Heterocycl. Chem. 18, 953 (1981). 18. N-Glucosyl derivatives of some 1,2,4-triazines. A. K. Mansour, Y. A. Ibrahim, M. M. Eid and S. A. L. Abdel- Hady, J. Carbohydrates. Nucleosides. Nucleotides 8, 81 (1981). 19. Synthesis of certain spiro compounds for pharmacological study. S. E. Abdou, S. Elbahaie, H. A. Zaher and Y. A. Ibrahim, Egypt. J. Pharm. Sci. 22, 159 (1981) [C. A. 100, (1984)]. 20. Synthesis of some new tetraazatetracyclotetradecane derivatives. S. E. Abdou, H. A. Zaher, S. Selim and Y. A. Ibrahim, Egypt. J. Pharm. Sci. 22, 289 (1981) [C. A. 100, (1984)]. 21. Hydrazones as new 4-electrons three atomic centers in cycloaddition reactions. A novel approach for synthesis for the pyrazole derivatives. Y. A. Ibrahim, S. E. Abdou and S. Selim, Heterocycles 19, 819 (1982). 22. Rearrangement of 3-arylhydantoins into 3-aminoglycocyamidines. H. A. Daboun and Y. A. Ibrahim, J. Heterocycl. Chem. 19, 41 (1982). 23. Efficient synthesis of thieno[2,3-b]quinoxalines. Y. A. Ibrahim, M. A. Badawy and S. A. El-Bahaie, J.Heterocycl. Chem. 19, 699 (1982). 24. Synthesis of thieno[2,3-e][1,2,4]triazines. Y. A. Ibrahim, S. A. L. Abdel-Hady, M. A. Badawy and M. A. H. Ghazala, J.Heterocycl. Chem. 19, 913 (1982). 25. Reaction of 4-amino-1,2,4-triazines with P 2 S 5. Deamination during aromatization. M. M. Eid, M. A. Badawy, M. A. H. Ghazala and Y. A. Ibrahim, J.Heterocycl. Chem. 20, 1709 (1983). 26. Electron impact fragmentation of N-aroylhydrazones. Y. A. Ibrahim, M. S. Fayed and A. El-bieh, Egypt J. Chem. 25, 491 (1982) [C. A. 99, (1983)]. 27. Rearrangement and alkylation of some 1,2,4-triazine derivatives. S. A. Elbahaie, M. A. Badawy, S. A. L. Abdel-Hady and Y. A. Ibrahim, Heterocycles 20, 51 (1983). 3

4 4 28. Condensed 1,2,4-triazines. Regioselective condensation with benzo(h)quinoline-5,6-dione. M. M. Eid, M. A. Badawy and Y. A. Ibrahim, J. Heterocycl. Chem. 20, 1255 (1983). 29. Reaction of some new 1,2,4-triazine derivatives with hydrazine, amines, alkylating agents and benzaldehyde. M. M. Eid, M. A. H. Ghazala and Y. A. Ibrahim, Egypt J. Chem. 26, 281 (1983) [C. A. 101, (1984)]. 30. Uncondensed 1,2,4-triazines: Part II. Mechanistic pathway of Grignard reaction on 1,2,4-triazines. H. A. Zaher, Y. A. Ibrahim, O. Sherif and R. Mohammady, Indian J. Chem., 22B, 559 (1983). 31. Synthesis and structure of as-triazinoquinazolines, I: S. A. L. Abdel-Hady, M. A. Badawy, Y. A. Ibrahim and W. Pfleiderer, Chem. Ber. 117, 1077 (1984). 32. Synthesis and structure of as-triazinoquinazolines,ii: M. A. Badawy, S. A. L. Abdel-Hady, M. M. Eid and Y. A. Ibrahim, Chem. Ber. 117, 1083 (1984). 33. The behavior of 6-p-chlorostyryl-3-thioxo-1,2,4-triazin-5-one toward phenylmagnesium bromide. H. A. Zaher, R. Mohammady and Y. A. Ibrahim, J. Heterocycl. Chem. 21, 905 (1984). 34. Reaction and rearrangement of 2,4-quinazolinediones. M. A. Badawy, Y. A. Ibrahim and A. M. Kadry, J. Heterocycl. Chem. 21, 1403 (1984). 35. Chemistry of quinazolines: Reinvestigation of the action of hydrazine on thioxo derivatives. M. A. Badawy, S. A. L. Abdel-Hady, Y. A. Ibrahim and A. M. Kadry, J. Heterocycl. Chem. 22, 1535 (1985). 36. A facile conversion of aldehydes into nitriles via the sulfonylhydrazones. S. A. Elbahaie, G. Abdel-Latif and Y. A. Ibrahim, Egypt. J. Chem. 28, 227 (1985) [C. A. 107, (1987)]. 37. Synthesis and structure of 6- and 7-(acylmethyl)pteridines. S. A. L. Abdel-Hady, M. A. Badawy, M. A. N. Mosselhi and Y. A. Ibrahim, J. Heterocycl. Chem. 22, 801 (1985). 38. Gravimetric and colorimetric determination of copper, cobalt, zinc and mercury with 1-(2-methylindole-3- acetyl)-4-arylthiosemicarbazide. B. N. Barsoum, A. M. Kadry, Y. A. Ibrahim and H. R. Hanna, J. Chin. Chem. Soc. 32, 117 (1985) [C. A. 103, (1985)]. 39. Lipophilic lithium ion carriers in a lithium ion selective electrode. V. P. Y. Gadzekpo, J. M. Hungerford, A. M. Kadry, Y. A. Ibrahim and G. D. Christian, Anal. Chem. 57, 493 (1985). 40. Comparative study of neutral carriers in polymeric lithium ion selective electrode. V. P. Y. Gadzekpo, J. M. Hungerford, A. M. Kadry, Y. A. Ibrahim, R. Y. Xie and G. D. Christian, Anal. Chem. 58, 1948 (1986). 41. Use of flow injection system in the evaluation of the characteristic behavior of neutral carriers in lithium ion selective electrodes. R. Y. Xie, V. P. Y. Gadzekpo, A. M. Kadry, Y. A. Ibrahim, J. Ruzicka and G. D. Christian, Anal. Chem. Acta 184, 259 (1986). 42. Flow injection study of the potentiometric lithium selectivity of cyclic dioxadiamides containing oxygen and nitrogen atoms. A. S. Attiyat, Y. A. Ibrahim, A. M. Kadry, R. Y. Xie and G. D. Christian, Z. Anal. Chem. 329, 12 (1987). 43. Study of the spectrophotometric measurment of lithium using TMC-crown formazan. A. S. Attiyat, Y. A. Ibrahim and G. D. Christian, Microchem. J. 37, 114 (1988). 44. Potentiometric selectivity study of TMC-crown formazan ionophores for cesium. A. S. Attiyat, Y. A. Ibrahim and G. D. Christian, Microchem. J. 37, 122 (1988). 45. Cycloaddition with arylhydrazones. Selective diastereomeric pyrazolidine synthesis and nitrile acylimine synthones. M. A. Badawy, S. A. El-Bahaie, A. M. Kadry and Y. A. Ibrahim, Heterocycles, 27, 7 (1988). 46. Synthesis and biological activity of some new pyrimidines and thienopyrimidines. S. El-Bahaie, A. M. Kadry, M. G. Assy and Y. A. Ibrahim, Pharmazie 43, 537 (1988). 47. Synthesis of 6-alkyl and 6-arylthieno[2,3-e][1,2,4]triazines. S. A. Abdel-Hady, M. A. Badawy, A. M. Kadry and Y. A. Ibrahim, sulfur Lett. 8, 153 (1988). 48. Synthesis of isothiazolo[5,4-d]pyrimidines. S. El-Bahaie, M. G. Assy and Y. A. Ibrahim, Sulfur Lett. 8, 199 (1988). 49. Synthesis of some thioeno[2,3-d]pyrimidines. S. A. Abdel-Hady, M. A. Badawy, and Y. A. Ibrahim, sulfur Lett. 9, 101 (1989). 50. Reinvestigation of the reaction of thiosemicarbazones with maleimides. M. A. Badawy, A. M. Kadry, S. A. L. Abdel-Hady and Y. A. Ibrahim, Sulfur Lett. 8, 43 (1988). 51. Reinvestigation of the reaction of thiosemicarbazones with maleic anhydride. M. A. Badawy, A. M. Kadry, S. A. L. Abdel-Hady and Y. A. Ibrahim, Sulfur Lett. 9, 149 (1989). 52. Symthesis of thieno[2,3-d]pyrimidines. S. El-Bahaie, M. G. Assy and Y. A. Ibrahim, sulfur Lett. 9, 201 (1989). 53. New thieno[2,3-e[1,2,4]triazines. S. A. Abdel-Hady, M. A. Badawy, and Y. A. Ibrahim, sulfur Lett. 11, 129 (1990). 54. Synthesis and structure of as-triazinoquinazolines. M. A. Badawy, S. A. L. Abdel-Hady, A. H. M. Elwahy and Y. A. Ibrahim, J. Org. Chem. 55, 344 (1990). 55. Synthesis and structure of some thiazole derivatives. M. A. Badawy, S. A. Abdel-Hady and Y. A. Ibrahim, Liebigs Ann. Chem. 393 (1990).

5 56. Synthesis and structure of some condensed quinazolines. M. A. Badawy, S. A. Abdel-Hady, A. H. Mahmoud and Y. A. Ibrahim, Liebigs Ann. Chem. 815 (1990). 57. Synthesis and reactions of 3-thioxo[1,2,4]triazino[3,2-b]quinazolin-10-ones. M. M. Eid, A. Elzanaty and Y. A. Ibrahim, J. Heterocycl. Chem. 27, 591 (1990). 58. Reactions of 3-amino/substituted amino-6-benzyl-5-thioxo- and 5-chloro-1,2,4-triazines: Synthesis of 3,5- substituted diamino-1,2,4-triazines and 5-amino/substituted amino-8-benzyl-3-thioxo-s-triazolo[4,3- d][1,2,4]triazines. M. M. Eid, A. M. Elzanaty and Y. A. Ibrahim, Indian J. Chem. 29B, 435 (1990). 59. Studies on ion selective electrodes. Utility of cellulose acetates as a supporting material in electrode matrix. M. A. Yousef, S. M. Saleh and Y. A. Ibrahim, Bull. Fac. Sci., Cairo Univ. 58, 465 (1990). 60. Synthesis and potentiometric selectivity study of 14-cyclic dioxadiamides. A. S. Attiyat, A. M. Kadry, H. R. Hanna, Y. A. Ibrahim and G. D. Christian, Anal. Sci. (Japan) 6, 233 (1990). 61. Synthesis and potentiometric study of acyclic monoxadiamides as ionophores in ion-selective electrodes. A. S. Attiyat, A. M. Kadry, M. A. Badawy, H. R. Hanna, Y. A. Ibrahim and G. D. Christian, Electroanalysis 2, 119 (1990). 62. Synthesis and potentiometric selectivity study of acyclic formazans. A. S. Attiyat, M. A. Badawy, B. N. Barsoum, H. R. Hanna, Y. A. Ibrahim and G. D. Christian, Electroanalysis 3, 535 (1991). 63. Efficient synthesis of benzo-substituted macrocyclic diamides. Y. A. Ibrahim and A. H. M.Elwahy, J. Chem. Res. (S), 252 (1993); J. Chem. Res. (M), 1684 (1993). 64. Efficient synthesis of a range of benzo-substituted macrocyclic diamides. Y. A. Ibrahim and A. H. M. Elwahy, Synthesis 503 (1993). 65. Synthesis of benzo-macrocyclic dioxa- and trioxadithiodiamides. Y. A. Ibrahim and A. H. M. Elwahy, Sulfur Lett. 17(1), 45 (1993). 66. New synthesis of macrocyclic crown-formazans from pyruvic acid derivatives. Y. A. Ibrahim, A. H. M. Elwahy and A. A. Abass, Tetrahedron 50, (1994). 67. Synthesis of new tetrabenzo nitrogen-oxygyn macrocycles containing two amide groups. Y. A. Ibrahim, A. H. M. Elwahy and G. M. M. Elkareish, J. Chem. Res. (S), 414 (1994); J. Chem. Res. (M), 2321 (1994). 68. Synthesis and rearrangement of triazinoquinazolines. Y. A. Ibrahim and A. H. M. Elwahy, Heteroatom Chem. 5, 97 (1994). 69. Synthesis and rearrangement of triazinoquinazolines. Y. A. Ibrahim and A. H. M. Elwahy, Indian J. Chem. 33B, 881 (1994). 70. Synthesis and structure of pyrimido-1,2,4-triazines. Y. A. Ibrahim, A. H. M. Elwahy and S. A. A. Gad, Polish J. Chem. 68, 1115 (1994). 71. New pyridinecarbonitriles from arylpropenones. N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, Recl. Trav. Chim. Pays-Bas 113, 35 (1994). 72. Studies on [1,3,4]thiadiazolo[2,3-c][1,2,4]triazines. Y. A. Ibrahim, A. H. M. Elwahy and A. M. Samuel, Sulfur Lett. 17(3), 165 (1994). 73. Stereospecific synthesis of 6,7-dihydro-5H-1,2,4-triazolo[3,4-b][1,3,4]thiadiazines. Y. A. Ibrahim, A. H. M. Elwahy and A. E. M. El-Fiky, Heteroatom Chem. 5, 321 (1994). 74. Synthesis and potentiometric selectivity study of new spiro-14-crown-4 derivatives. Y. A. Ibrahim, A. H. M. Elwahy, H. R. Hanna and S. K. Khella, Supramolecular Chem. 4, 83 (1994). 75. Synthesis and reactions of sulfonylmethylquinoxalines. Y. A. Ibrahim, A. H. M. Elwahy and A. A. Hashem, Phosphorus, Sulfur, and Silicon 101, 1 (1995). 76. On the search for the regioselective phosphorylation of 1,2,4-triazines by cyclic, acyclic phosphites and triphenylphosphine. Y. O. Elkoshnieh, Y. A. Ibrahim and W. M. Abdou, Phosphorus, Sulfur, and Silicon 101, 67 (1995). 77. Synthesis of chromophoric bis-azocrowndilactams. Y. A. Ibrahim, A. H. M. Elwahy and G. M. M. El-Kareish, Heteroatom Chem. 6, 183 (1995). 78. Synthesis of some new nitrogenous derivatives of glycyrrhetic acid with potential biological activity. Y. A. Ibrahim, A. G. Hanna, M. H. A. Elgamal, R. F. Allam and K. A. M. Youssef, Pak. j. sci. ind. res. 38, 101 (1995) [C. A. 125, (1996)]. 79. Facile approaches for the selective glycosidation of cyclic asymmetric amides and thioamides. Y. A. Ibrahim, Carbohydrate Lett. 1, 425 (1996). 80. Synthesis of new dibenzo nitrogen-oxygen-sulfur macrocycles containing two triazole rings. A. H. M. Elwahy, A. A. Abass and Y. A. Ibrahim, J. Chem. Res. (S), 182 (1996); J. Chem. Res. (M), 1066 (1996). 81. Review: Thienopyrimidines: Symthesis, Reactions and Biological Activity. Y. A. Ibrahim, A. H. M. Elwahy and A. M. Kadry, Advances in Heterocyclic Chemistry, 65, 235 (1996). 82. Synthetic Approaches Towards Macrocyclic Sulfonyl Crown-Formazans. Y. A. Ibrahim, A. H. M. Elwahy and A. A. Abbas, Heteroatom Chem., 7, 215 (1996). 83. New 2-pyrazolines of anticipated molluscicidal activity. N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, Pharmazie, 51, 544 (1996). 5

6 84. Synthesis and Structure of 2-Deoxyribosyl-6-azauracil Derivatives. Y. A. Ibrahim, Carbohydrate Lett. 2, 189 (1996). 85. Some reactions with ethyl 4-(mercapto/chloro)-6-methyl-2-phenylpyrimidine-5-carboxylate. M. G. Assy, S. A. El-Bahaie, M. R. Ibrahim and Y. A. Ibrahim, Indian J. Chem., 35B, 598 (1996). 86. Synthesis of formazan-3-yltriazolium salts: A new class of formazan and crown-formazan of expected useful applications. Y. A. Ibrahim, Tetrahedron 53, 8507 (1997). 87. Synthetic approaches towards 5H-indeno[1,2-b]pyridines. N. Mishriky, F. M. Asaad, Y. A.Ibrahim and A. S. Girgis, J. Chem. Res.(M) 2014 (1997) ,3-Dipolar cycloaddition of arylnitrile oxide to some exocyclic alkenes and regioselective synthesis of spiro isoxazolines. N. Mishriky, F. M. Asaad, Y. A.Ibrahim and A. S. Girgis, J. Chem. Res. (S) 316 (1997),Chem. Res. (M) 2758 (1997). 89. Synthesis of new 14- and 15-crown-formazans and their evaluation in spectrophotometric determination of lithium. Y. A. Ibrahim, B. N. Barsoum, A. H. M. Elwahy and S. K. Khella, Supramolecular Chem. 9, 1 (1998). 90. Synthetic approaches toward new bis formazans and bis verdazyls of expected useful applications, Ahmed H. M. Elwahy, Ashraf A. Abbas and Yehia A. Ibrahim, J. Chem. Res. ( S) (1998); (M) (1998). 91. Synthesis of new 14- and 15-crown-formazans and their evaluation in spectrophotometric determination of lithium. Y. A. Ibrahim, A. H. M. Elwahy, B. N. Barsoum, A. A. Abbass and S. K. Khella, Talanta (1998) 47, Evaluation of new 14- and 15-crown-formazans as ionophores in cesium ion selective electrodes. Y. A. Ibrahim, A. H. M. Elwahy, B. N. Barsoum, A. A. Abbass and S. K. Khella, Talanta (1998) 47, Synthesis of some useful open chain and macrocyclic crown compounds, Y. A. Ibrahim, Ahmed H. M. Elwahy and Ashraf A. Abbas, J. Chem. Res. (S),.548 (1998), J. Chem. Res.(M), (1998). 94. The photorearrangement of some 4-arylpyrazolin-5-one derivatives, A.A. Nada, N.R. Mohamed, A.M. Mahran and Y.A. Ibrahim, Ind. J. Heterocyclic Chemistry, Heterocyclic Comm., 4, 271 (1998). 95. Synthetic approaches towards 1 H-pyrrolo[1,2-c]imidazoles, N. Mishriky, F. M. Asaad, Y. A.Ibrahim and A. S. Girgis, Pharmazie 53, 607 (1998). 96. Interesting Synthetic approaches toward [1]Benzopyrano[4,3-b]quinolines via intramolecular reaction of nitrilium salts, Yehia A. Ibrahim and Ahmed H. Moustafa, J. Chem. Res.(M), (1999). 97. The first synthetic approaches toward thieno[3,2-e][1,2,4]triazines, Y. A. Ibrahim, A. K. Mansour and M. R. Ibrahim, Sulfur Letters, 22, (1999). 98. Selective Synthesis and Structure of 2-N- and 3-S-Glucosyl-1,2,4-Triazoles of Potential Biological Interest.Yehia A. Ibrahim, Ashraf A. Abbas and Ahmed H. M. Elwahy, Carbohydrate Letters (1999), 3(5), Selective synthesis and structure of 2- and 4-glucosyl-6-arylvinyl-1,2,4-triazines of expected interesting biologival activity. A. K. Mansour, Y. A. Ibrahim and N. S. A. M. Khalil, J. Nucleosides, Nucleotides, (1999), 18(10), Allylsalicylaldehyde and 3-Allylsalicylic Acid Derivatives: Synthesis and Conversion to Allyl-Crown Compounds as New Potential Precursors for Polymer Supported Crown Compounds, Yehia A. Ibrahim, Ahmed H. M. Elwahy, Ashraf A. Abbas and Refaie M. Kassab, J. Chem. Res. (S) (1999), , (M), (1999), Synthesis and Structure of [1,2]Thiaphospholo[4,5-e][1,2,4]triazines. Y.A. Ibrahim, A.M. Kadry, M.R. Ibrahim, J.N. Lisgarten, B.S. Potter and R.A. Palmer, Tetrahedron (1999), 55, New 2 H-benzo[g]indazoles of anticipated molluscicidal activity. N. Mishriky, Y. A. Ibrahim, A. S. Girgis and N. G. Fawzy, Pharmazie (1999), 54, Regioselective Synthesis of Spiro[naphthalene-2(1H),3 -[3H]pyrazol]-1-ones Utilizing 1,3-Dipolar Cycloaddition of Nitrilimines, N. Mishriky, A. S. Girgis and Y. A.Ibrahim, J. Chem. Res. (S) 2-3 (2000),Chem. Res. (M) (2000). 104.Synthetic Approaches Towards Benzo[h]quinolines-3-carbonitriles. N. Mishriky, Y. A.Ibrahim, A. S. Girgis and N. G. Fawzy, Pharmazie 55, (2000). 105.Simple regioselective synthesis of spiro[2h-indene-2,3`-[3h]pyrazoles]. A. S. Girgis, Y. A. Ibrahim, I. S. Farag and N. Mishriky, J. Chem. Res. (S) (2000),Chem. Res. (M) (2000). 106.The High Field NMR in ANALAB: Introduction and some illustrative experiments. Yehia A. Ibrahim, NEWSLETTER, Science Analytical Facility (SAF), Faculty of Science, Kuwait University, 6, 3-7 (2000). 107.Simple synthesis of condensed pyran containing compounds and their antimicrobial properties. N. Mishriky, A. S. Girgis, F. M. Asaad, Y. A. Ibrahim, U. I. Sobieh & N. G. Fawzy, Boll. Chim. Farmac.-Anno 140-n. 3 Maggio/Giugno (2001), Efficient Synthesis 3-Aroylcinnolines from Aryl Methyl Ketones. N. A. Al-Awadi, M. H. Elnagdi, Y. A. Ibrahim, K. Kaul and A. Kumar, Tetrahedron, 57, , (2001). 6

7 109.Regioselective synthetic approaches towards 1,2,8,9-tetraazadispiro[ ]tetradeca-2,9-dien-6-ones. A. S. Girgis, Y. A. Ibrahim, N. Mishriky, J.N. Lisgarten, B.S. Potter and R.A. Palmer, Tetrahedron (2001), 57, Gas Phase Pyrolysis in Organic Synthesis. Part 3. Novel Cyclization of 2-Arylhydrazonopropanals into Cinnolines. A. Kumar, N. A. Al-Awadi, M. H. Elnagdi, Y. A. Ibrahim and K. Kaul, Int. J. Chem. Kinet, 33, , ( 2001). 111.Gas Phase Elimination Reaction of 4-Arylideneimino-1,2,4-triazol-3(2H)-ones and their 3(2H)-thiones, N. A. Al-Awadi, Y. A. Ibrahim, K. Kaul and H. Dib, J. Phys. Org. Chem., 14, , (2001). 112.Flash Vacuum Pyrolysis of 3-Aroylcinnolines: Interesting Routes toward Polynuclear Aromatic Compounds: Yehia A. Ibrahim, Nouria A. Al-Awadi* and Kamini Kaul, Tetrahedron, (2001), 57, Flash Vacuum Pyrolysis of 3-Oxo-2-arylhydrazonopropanals and Related Derivatives. Y. A. Ibrahim, K. Kaul and N. A. Al-Awadi, Tetrahedron, (2001), 57, Synthetic Approaches Towards [1]Benzopyrano[4,3-b]thieno[3,2-e]pyridines via Intramolecular Diels-Alder Reactions of 1,2,4-Triazines, Y. A. Ibrahim and B. Al-Saleh, J. Chem. Res. (S) 60 (2000),Chem. Res. (M) 243 (2002). 115.Gas Phase Elimination Reactions of 4-Arylideneimino-2-cyanoethyl-1,2,4-triazol-3(2H)-ones, their thione analogues and 2-glucosyl-1,2,4-triazole-3(2H)-thiones: Kinetic and Mechanistic Study, N. A. Al-Awadi, Y. A. Ibrahim, H. Dib and K. Kaul, J. Phys. Org. Chem.,(2002), 15, Efficient atom economic approaches towards macrocyclic crown amides via ring closure metathesis. Y. A. Ibrahim, H. Behbehani and M. R. Ibrahim. Tetarhedron Letters, (2002), 43, Efficient atom economic approaches towards macrocyclic crown diamides via ring closure metathesis. H. Behbehani, M. R. Ibrahim and Y. A. Ibrahim Tetarhedron Letters, (2002), 43, Efficient highly stereoselective synthesis of olefinic macrocyclic crown-formazans with Z-configuration via ring-closure metathesis. Y. A. Ibrahim, H. Behbehani, M. R. Ibrahim and Nada M. Abrar. Tetarhedron Letters, (2002), 43, Regioselective synthesis 1,2,4-triazol-3(2H)-ones and their 3(2H)-thiones: Kinetic Studies and Selective Pyrolytic Deprotection, Nouria A. Al-Awadi, Yehia A. Ibrahim, Kamini Kaul and Hicham Dib, heteroat. Chem. 2003, 14, Flash vacuum pyrolysis of azo and nitrosophenols: new routes towards hydroxyarylnitrenes and their reactions. Y. A. Ibrahim, N. A. Al-Awadi and Kamini Kaul Tetrahedron 2003, 59, Efficient atom economic synthesis of membered macrocyclic crown amides via ring closing metathesis" Yehia, Ibrahim, Haider Behbehani, Maher R. Ibrahim and Rana N. Malhas Tetrahedron 2003, 59, Structural characterization of different asphaltenes of Kuwaiti origin. Yehia A. Ibrahim, Magdy A. Abdelhameed, Taher A. Al-Sahhaf and Mohamed A. Fahim, Petroleum Science And Technology, 2003, 21 (5,6), Intramolecular cycloaddition of thieno[2,3-e][1,2,4]triazines: Routes towards condensed thieno[2,3- b]pyridines. Y. A. Ibrahim, Balkis Al-Saleh and A. A. A. Mahmoud Tetrahedron 2003, 59, Regioselective synthesis of 1,2,4-triazin-5-one via gas-phase pyrolysis of 4-arylidenimino-3(2H)-thioxo-1,2,4- triazin-5(4h)-one. Kinetic and mechanistic study. Alya Al-Etaibi, Mariam R. Abdallah, Nouria Al-Awadi, Yehia Ibrahim and Mohammad Hasan. J. Phys. Org. Chem. 2004, 17, Gas-phase thermolysis of benzotriazole derivatives. Part 1- Synthesis of -N(1) and N(2) benzotriazolyl ketones, and kinetics and mechanism of their gas-phase. Hicham H. Dib, Nouria A. Al-Awadi, Yehia A. Ibrahim and Osman M. E. El-Dusouqui. J. Phys. Org. Chem. 2004, 17, Gas-phase thermolysis of benzotriazole derivatives. Part 2- Synthesis of benzimidazo[1,2-b]cinnolines, a novel heterocyclic ring system, by pyrolysis of benzotriazole derivatives, kinetics and mechanism of their gas-phase. Hicham H. Dib, Nouria A. Al-Awadi, Yehia A. Ibrahim and Osman M. E. El-Dusouqui. Tetrahedron 2003, 59, Efficient route to membered macrocyclic crown diamides via ring closing metathesis. Yehia A. Ibrahim, Haider Behbehani and Nasser S. Khalil Tetarhedron 2004, 60, Gas-phase thermolysis of thieno[3,2-e][1,2,4]triazines. Interesting routes towards heterocyclic ring systems. Yehia A. Ibrahim, Nouria A. Al-Awadi and Maher R. Ibrahim Tetrahedron 2004, 60, Ionization of some derivatives of benzamide, oxamide and malonamide in DMF/water mixture. A. F. Shoukry, N. M. Shuaib, Y. A. Ibrahim and R. N. Malhas Talanta, 2004, 64, Novel simple pyrolytic approach toward anhydronucleosides. Alya El-etaibi, Saad Makhseed, Nouria A. Al- Awadi and Yehia A. Ibrahim Tetrahedron Lett. 2005, 46, Thermal studies of new lead (II) coated-wire membrane electrodes. A. F. Shoukry, N. M. Shuaib, Y. A. Ibrahim, R. N. Malhas Electroanalysis 2005, 17, Gas-phase thermolysis of benzotriazole derivatives. Part 3: Kinetic and mechanistic evidence for biradical intermediates in pyrolysis of aroylbenzotriazoles and related compounds. N. A. Al-Awadi, 7

8 B. J. George, H. H. Dib, M. R. Ibrahim, Y. A. Ibrahim and O. M. E. El-Dusouqui Tetrahedron 2005, 61, Gas-phase thermolysis of 1-acylnaphtho[1,8-de][1,2,3]triazines. Interesting direct routes towards condensed naphtho[1,8-de]heterocyclic ring systems. H. Alawadi, M. R. Ibrahim, H. Dib, N. A. Al-Awadi and Y. A. Ibrahim. Tetrahedron 2005, 61, Efficient synthesis of membered macrocyclic polyoxadiamides and polyoxatetraamides via ring closing metathesis. Yehia A. Ibrahim and Elizabeth John. Tetrahedron 2006, 62, Comparative studies for selective deprotection of the N-arylideneamino moiety from heterocyclic amides: Kinetic and theoretical studies. Bobby J. George, Hicham H. Dib, Mariam R. Abdallah, Maher R. Ibrahim, Nasser S. Khalil, Yehia A. Ibrahim and Nouria A. Al-Awadi. Tetrahedron 2006, 62, Comparative studies for selective deprotection of the N-arylideneamino moiety from heterocyclic amides: Kinetic and theoretical studies. Bobby J. George, Hicham H. Dib, Mariam R. Abdallah, Maher R. Ibrahim, Yehia A. Ibrahim and Nouria A. Al-Awadi. Tetrahedron 2006, 62, Application of ring closing metathesis in efficient synthesis of macrocyclic crown compounds. Yehia A. Ibrahim J. Molecular Catalysis A: Chemical 2006, 254, Synthesis of olefinic crown diamides and their conversion into pyrazolino macrocycles: Promising photoluminscent Crown compounds. R. N. Malhas, Y. A. Ibrahim Synthesis 2006, Comparative studies on the pyrolysis of the N-arylideneaminoamides: Kinetic and mechanistic studies. Nouria A. Al-Awadi, Yehia A. Ibrahim, Mehul Patel, and Alya M. Al-Etiabi. Int. J. Chem. Kinet, 2006, 39, Efficient N-alkylation of aza and diaza macrocycles under microwave irradiation in solventless media. Haider Behbehani, Yehia A. Ibrahim And Rana N. Malhas. Kuwait J. Science & Engineering 2006, 33, Gas-phase pyrolytic reaction of 3-anilino-1-propanol derivatives: kinetic and mechanistic studies. M. R. Ibrahim, N. A. Al-Awadi, Y. A. Ibrahim, M. Patel, S. Al-Awadi Tetrahedron 2007, 63, Synthesis of azacrown sulfonamides via ring closing metathesis and their evaluation in lithium ion selective electrodes. Yehia A. Ibrahim, Haider Behbehani, Elizabeth John, Nadia M. Shuaib and Adel F. Shoukry. Arkivoc 2007, x, Gas-phase thermolysis of condensed-1,2,4-triazines. Interesting routes towards heterocyclic ring systems. H. Al-Awadi, M. R. Ibrahim, N. A. Al-Awadi and Y. A. Ibrahim Tetrahedron 2007, 63, Gas-phase thermolysis of benzotriazole derivatives. Part 4. Pyrolysis of 1-acylbenzotriazole phenylhydrazones. Interesting direct routes towards N-aminobenzimidazoles.. H. Al-Awadi, M. R. Ibrahim, N. A. Al-Awadi and Y. A. Ibrahim J. Heterocyclic Chem. 2008, 45, An improved direct synthetic approach to anhydronucleosides. I. A. Al-Juwaiser, M. R. Ibrahim, N. A. Al- Awadi, Y. A. Ibrahim Tetrahedron 2008, 64, Pyrolytic desulfurization ring contraction of condensed thiadiazines as a general route towards pyrazoloazines and pyrazoloazoles with a bridgehead (ring junction) nitrogen atom, Yehia A. Ibrahim, Nouria A. Al-Awadi, Elizabeth John Tetrahedron, 2008, 64, Staudinger Ketene-Imine Cycloaddition, RCM Approach to Macrocyclic Bisazetidinones. Y. A. Ibrahim, T. F. Al-Azemi, M. D. Abd El-Halim and E. John. J. Org. Chem. 2009, 74, A direct synthetic approach to uracil anhydrothionucleoside derivatives. N. A. Al-Awadi, Y. A. Ibrahim and M. R. Ibrahim, Carbhydrate Res. 2009, 344, Selective pyrolytic synthesis of anhydrothioglycosides of 1,2,4-triazoles. I. A. Al-Juwaiser, E. John, M. R. Ibrahim, Y. A. Ibrahim, N. A. Al-Awadi. Arkivoc 2009, ix, Gas-phase pyrolytic reactions of 4-aryl-3-buten-3-ols and allyl benzyl ethers: Kinetic and mechanistic study. A. M. Al-Etaibi, N. A. Al-Awadi, M. R. Ibrahim and Y. A. Ibrahim, Molecules 2010, 15, Gas-phase thermolysis of 1,2,3-triazole and 1,2,3-triazine derivatives. H. Al-Awadi, M. R. Ibrahim, N. A. Al- Awadi and Y. A. Ibrahim Journal of Chemistry and Chemical engineering 2010, 4, Gas-phase pyrolytic reactions of N-alkoxyphthalimides to functionally substituted aldehydes: Kinetic and mechanistic study. A. M. Al-Etaibi, N. A. Al-Awadi, M. R. Ibrahim and Y. A. Ibrahim, Arkivoc 2010, x, Sequential Staudinger Ketene-Imine Cycloaddition, RCM Approach to Highly Rigid Macrocyclic Bisazetidinones. Y. A. Ibrahim, T. F. Al-Azemi and M. D. Abd El-Halim J. Org. Chem. 2010, 75, Pyrolysis of 3-hydroxy-2-arylhydrazonoalkanoic acid derivatives, N. A. Al-Awadi, Y. A. Ibrahim, E. John and A. Parveen. Tetrahedron, 2011, 67, Stereoselective synthesis of dihydrothiadiazinoazines and dihydrothiadiazinoazoles and their pyrolytic desulfurization ring contraction, A. Al-Etaibi, E. John, M. R. Ibrahim, N. A. Al-Awadi and Y. A. Ibrahim Tetrahedron, 2011, 67, Enaminones in multi-component synthesis of 4-aryldihydropyridines of potential applications in photoinduced intramolecular electron transfer systems. Nouria A. Al-Awadi, Maher R. Ibrahim, Mohamed H. Elnagdi, Elizabeth John and Yehia A. Ibrahim Beil. J. Org. Chem. 2012, 8,

9 157.Sequential Staudinger ketene-imine cycloaddition, RCM approach to polycyclic macrocrocyclic bisazetidinones. Yehia A. Ibrahim,* Nouria A. Al-Awadi, Talal F. Al-Azemi, Susan Abraham and Elizabeth John RSC Advances 2013, in press. 8, RSC Adv., 2013, Advance Article DOI: /C3RA40649K. 9

10 10 Publications Presented in Chemistry Conferences 1. Synthesis of certain 3,4,5-trimethoxybenzyl and phenethyl derivatives for pharmacological study. A. M. Kadry, Y. A. Ibrahim, K. M. Ghoniem and M. Khalifa, XVII Egyptian Conference on Pharm. Sciences, Cairo Feb. 1982, pp Synthesis of certain indole derivatives of pharmacological interest. A. M. Kadry, Y. A. Ibrahim and M. Khalifa, XVII Egyptian Conference on Pharm. Sciences, Cairo Feb. 1982, pp A facile conversion of aldehydes into nitriles via the sulfonylhydrazones. S. A. El-Bahaie, G. Abdel-Latif and Y. A. Ibrahim, X Symposium on Organic Sulfur Chemistry, Bangor (UK) Sept Interesting findings and versatility of P 4 S 10 in heterocyclic synthesis. Y. A. Ibrahim, M. A. Badawy and Y. A. Ibrahim, X Symposium on Organic Sulfur Chemistry, Bangor (UK) Sept Synthesis of heterocyclic thiols and thioglycolic acids as potential antiinflammatory agents. A. M. Kadry, A. B. Sakla, H. R. Hanna and Y. A. Ibrahim, X Symposium on Organic Sulfur Chemistry, Bangor (UK) Sept Efficient selective synthesis of 2-glucosyl-1,2,4-triazine-3,5-diones using the 4-amino as a protecting group. S. El-Bahaie, M. A. Badawy, S. A. Abdel-Hady and Y. A. Ibrahim, 3rd European Symposium on OrganicChemistry, Canterbury (UK) Sept Thermal deamination in selective of 4-amino-1,2,4-triazines via the benzal derivatives and its synthetic applications, S. El-Bahaie, M. A. Badawy, S. A. Abdel-Hady and Y. A. Ibrahim, 3rd European Symposium on OrganicChemistry, Canterbury (UK) Sept Structural elucidation of condensed heterocycles via thermal deamination. M. A. Badawy, S. N. H. El- Hamouly, A. M. Kadry and Y. A. Ibrahim, 1st Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Thermal deamination in selective synthesis and structural determination of some condensed heterocycles. M. A. Badawy, S. A. Abdel-Hady, A. M. Kadry and Y. A. Ibrahim,, XI Int. Conf. Heterocycl. Chem. Heidelberg (W. Germany) Aug Synthesis of cyclic oxadiamides with 14, 15, 16 membered ring size and their selectivity and utility in spectrophotometric and potentiometric alkali metals determination. Y. A. Ibrahim and F. M. Abdel-Galil, P5-6, 13th International Symposium on Macrocyclic Chemistry, Hamburg Sept. 4-8, Amino group as cyclic amides N-protecting group: Utility in the synthesis of nitriles and in heterocyclic chemistry. Y. A. Ibrahim (main lecture), ML 4, 3rd Ibn Sina Symposium on Heterocycl. Chem., Aswan (Egypt), January Reaction of fluorochalcones with malononitrile, N. Mishriky, F. M. Asaad, A. S. Girgis and Y. A. Ibrahim, PIa-28 4th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Efficient synthesis of macrocyclic oxacyclams, Y. A. Ibrahim and A. H. M. Elwahy, OSIb-3, 4th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Synthesis of spiro-14-crown-4 useful in lithium ion selective electrodes, Y. A. Ibrahim, A. H. M. Elwahy and A. M. Kadry, OSIIIa-3, 4th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Studies on selective synthesis, isomerization and rearrangement of heterocyclic compounds, Y. A. Ibrahim, PLIa-5, 5th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec New synthesis of macrocyclic crown-formazans, Y. A. Ibrahim, A. H. M. Elwahy and A. A. Abass, OSIb-7, 5th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Facile synthesis of 1H-pyrrolo[2,1-c]imidazoles, N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, PIb-38, 5th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec New 2-pyrazolines of anticipated molluscicidal activity, N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, PIb-38, 5th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec The photorearrangement of some pyrazolin-5-one derivatives, A. A. Nada, N. R. Mohamed, A. M. Mahran and Y. A. Ibrahim, XVIIth International Conference on Photochemistry, London, England July 30th- August 4th Novel symthesis of 1H-pyrrolo[1,2-c]imidazoles, N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, PIa-38, 6th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Synthetic approaches towards 5H-indeno[1,2-b]pyridines, N. Mishriky, F. M. Asaad, Y. A. Ibrahim and A. S. Girgis, PIa-39, 6th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Synthesis of arylidenesuccinimides and their conversion to spiro-isooxazolines, A. M. Kadry and Y. A. Ibrahim, PIb-22, 6th Ibn Sina Symposium on Heterocycl. Chem., Ain Shams Univ. Cairo (Egypt), Dec Crown Compounds and Related Derivatives: Synthesis and some applications. Y. A. Ibrahim, 1 st Chemistry Conference, Faculty of Science, Cairo University, 6-9 March, Crown Compounds and Related Derivatives: Synthesis and Some Applications. Yehia A. Ibrahim, 1 st Conference on Chemistry, Chem.1, Cairo University, Faculty of Science, March 6-9, Advanced NMR Techniques in Structural Elucidation and Signal Assignment. Yehia A. Ibrahim, 1 st Conference on Chemistry, Chem.1, Cairo University, Faculty of Science, March 6-9, 2000.

11 Flash vacuum pyrolysis of 3-oxo-2-arylhydrazonopropanals and related derivatives. Y. A. Ibrahim, K. Kaul, N. A. Al-Awadi, ESOC-12, July (2001), Groningen, the Netherlands, PII Pyrolysis in Organic Chemistry: mechanistic studies and synthetic applications, Y. A. Ibrahim, N. A. Al-Awadi, 2 nd Conference on Chemistry, Chem02, Cairo University, Faculty of Science, March 4-7, Pyrolysis in Organic Chemistry: mechanistic studies and synthetic applications of retro-ene reactions in heterocyclic chemistry, Y. A. Ibrahim, N. A. Al-Awadi, 15 th international symposium on analytical and applied pyrolysis, Pyrolysis 2002, Leoben, Austria, September 17-20, 2002, p Selective synthesis of glycosyls of 6-azauracil derivatives: Kinetic studies and synthetic applications. Alya Al- Etaibi, N. A. Al-Awadi, Y. A. Ibrahim, 15 th international symposium on analytical and applied pyrolysis, Pyrolysis 2002, Leoben, Austria, September 17-20, 2002, p Reaction pathways of gas-phase pyrolysis of 1-(benzotriazol-1-yl)ketones. H. H. Dib, N. A. Al-Awadi, Y. A. Ibrahim, O. M. E. El-Dusouqui, 15 th international symposium on analytical and applied pyrolysis, Pyrolysis 2002, Leoben, Austria, September 17-20, 2002, p Thermal reaction of o-alkenyloxy and o-alkynyloxybenzaldehyde acylhydrazones. A. M. Kadry, Y. A. Ibrahim, 15 th international symposium on analytical and applied pyrolysis, Pyrolysis 2002, Leoben, Austria, September 17-20, 2002, p Flash vacuum pyrolysis of azo and nitrosophenols: new routes towards hydroxyarylnitrenes and their reactions. Y. A. Ibrahim, N. A. Al-Awadi and Kamini Kaul 13 th European Symposium on Organic Chemistry. September 10-15, Olefin Metathesis: Racent Advances and Application in Organic Synthesis. Yehia A. Ibrahim and H. Behbehani. Biannual Conference on Chemistry CHEM-03, 1-5 March 2004, Cairo, Egypt. 34. Interesting syntheses of heterocyclic compounds by pyrolytic reactions. Yehia A. Ibrahim, Nouria A. Al-Awadi and Maher R. Ibrahim. Biannual Conference on Chemistry CHEM-03, 1-5 March 2004, Cairo, Egypt. 35. Application of Ring Closing Olefin Metathesis in Synthesis of Crown Compounds of Potential Application. Yehia A. Ibrahim and H. Behbehani. 9 th Ibn sina International Conference on Pure and applied Chemistry, Sharm-El-Sheikh, Egypt, December, Synthesis of crown compounds of potential application in supramolecular chemistry via ring closing metathesis. Y. A. Ibrahim, R. N. Malhas and N. M. Abrar 16 th International symposium on olefin metathesis and related chemistry 7-12 August, 2005, Poznan, Poland. 37. Ring closing metathesis using Ru catalysts for the synthesis of macrocycles of potential applications in supramolecular chemistry. Y. A. Ibrahim, 15 th International Symposium on Fine Chemistry and Functional Polymers (FCFP-XV) Shanghai, China October 17-20, Environmentally efficient synthesis of macrocyclic crown compounds via ring closing metathesis. Y. A. Ibrahim, 13 th Arab Chemists conference, Kuwait November 28-29, Synthesis of Macrocycles of Potential Applications in Supramolecular Chemistry via Ring Closing Metathesis. Yehia A. Ibrahim, Nouria A. Al-Awadi and Maher R. Ibrahim. Biannual Conference on Chemistry CHEM-04, 3-8 March 2006, Cairo, Egypt. 40. Gas-phase thermolysis of 1-acylbenzotriazole phenylhydrazones. Hanan Al-Awadi,H; Ibrahim, M R.; Al- Awadi, N. A.; Ibrahim, Y. A. EAMBC-Greece, Thessaloniki August Gas-Phase Pyrolysis of Acylhydrazones. Kinetic and Mechanistic Studies. N. A. Al-Awadi, Y. A. Ibrahim, M. Patel and A. M. Al-Etaibi. 10 th Ibn sina International Conference on Pure and applied Chemistry, Luxor, Egypt, February, N-Arylideneamino as protecting group in heterocyclic nitrogen compounds: Kinetic, mechanistic and synthetic applications, Yehia A. Ibrahim and Nouria A. Al-Awadi. 10 th Ibn sina International Conference on Pure and applied Chemistry, Luxor, Egypt, February, Improved synthesis of anhydrothioglycosyls. Ibtehal A. Al-Juwaiser, Alya Al-Etaibi, Nouria A. Al-Awadi and Yehia A. Ibrahim. 8 th Conference on Heterocyclic Chemistry (Gainesville, Florida, USA, March 11-14, 2007). 44. Gas-phase thermolysis of thieno[2,3-e][1,2,4]triazines. Interesting routes towards heterocyclic ring systems. Yehia A. Ibrahim, Nouria A. Al-Awadi, Maher R. Ibrahim and Hana Al-Awadi.8 th Conference on Heterocyclic Chemistry (Gainesville, Florida, USA, March 11-14, 2007). Interesting Pyrolytic Studies of Some Heterocyclic Compounds,Yehia A. Ibrahim, Nouria A. Al-Awadi, International Conference on the Interface of Chemistry-Biology in Biomedical Research ISCBC, Pilani, India, February, 22-24, Selective Pyrolytic Synthesis of Anhydrothioglycosyls of 1,2,4-Triazoles, Ibtehal A. Al-Juwaiser, Elizabeth John, Nouria A. Al-Awadi and Yehia A. Ibrahim, 5 th Eurasian Meeting on Heterocyclic Chemistry, Kuwait March 1-6, Kinetics and mechanistic studies of thermal anhydrothioglycosyl formation from their glycosyl derivatives. Alya M. Al-Etaibi, Nouria A. Al-Awadi and Yehia A. Ibrahim5 th Eurasian Meeting on Heterocyclic Chemistry, Kuwait March 1-6, 2008.

12 47. Synthesis of Olefinic Crown Diamides and their Conversion to Pyrazolino Macrocycles and Macrocyclic Dithiolactams. A Promising Chemolumincense and Complexing Agents for Hg(II) Ion. Rana N. Malhas and Yehia A. Ibrahim 5 th Eurasian Meeting on Heterocyclic Chemistry, Kuwait March 1-6, Gas-phase thermolysis of condensed-1,2,4-triazines. Interesting routes towards heterocyclic ring systems. H. Al- Awadi, M. R. Ibrahim, N. A. Al-Awadi and Y. A. Ibrahim. 19 th IUPAC conference on Physical Organic Chemistry, Santiago de Compastela (SPAIN) July 13-18, 2008, OB Gas-phase thermolysis of nitrogen heterocycles. Interesting routes towards heterocyclic ring systems. 11 th Ibn Sina International Conference on Pure and Appplied Heterocyclic Chemistry, Cairo, Egypt December Staudinger Ketene-imine cycloaddition, RCM approach to macrocyclic bisazetidinones. Y. A. Ibrahim, T. F. Al- Azemi, M. D. Abd El-Halim and E. John. The 18 th International symposium on olefin metathesis and related chemistry (ISOM XVIII) 2-7 August, 2009, Leipzig, Germany. 51. Efficient synthesis of valuable macrocycles via ring closing metathesis. Y. A. Ibrahim Biannual Conference on Chemistry CHEM-06, 1-3 March 2010, Cairo, Egypt. 52. Pyrolysis of 3-hydroxy-2-arylhydrazonoalkanoic acid derivatives. N. A. Al-Awadi, Y. A. Ibrahim, E. John and A. Parveen. Kuwait Chemistry Conference 2010, Kuwait, March 6-9, Sequential Staudinger Ketene-Imine Cycloaddition, RCM Approach to Highly Rigid Macrocyclic Bisazetidinones with New Structural Motif. Y. A. Ibrahim, T. F. Al-Azemi and M. D. Abd El-Halim 6 th Eurasian meeting on heterocyclic chemistry, EAMHC-6-Alicante, Spain,30 th June-4 th July, Pyrolytic desulfurization ring contraction of condensed thiadiazines as a general route toward pyrazoloazines and and pyrazoloazoles with bridgehead (ring junction) nitrogen. Y. A. Ibrahim, N. A. Al-Awadi and E. John 6 th Eurasian meeting on heterocyclic chemistry, EAMHC-6-Alicante, Spain,30 th June-4 th July,