Gas-phase pyrolysis of benzimidazole derivatives: novel route to condensed heterocycles |
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| Authors: | Maher R. Ibrahim Alya Al-Etabi Nouria A. Al-Awadi |
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| Affiliation: | a Chemistry Department, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait
b Natural Science Department, College of Health Science, Public Authority for Applied Education and Training, Kuwait |
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| Abstract: | Gas-phase pyrolysis of N-(1H-benzimidazol-2-yl)-N′-arylidenehydrazines 1a-e gave the corresponding arylnitriles 2a-e, 2-aminobenzimidazole 3, 2,4,5-triphenylimidazole 4, 1,3-diphenyl-8H-2,3a,8-triazacyclopenta[a]indene 5, and 5,11-diphenyl-6H,12H-dibenzimidazo[1,2-a];1’,2’-d]pyrazine 6. The kinetics and analysis of the products of reaction are reported and used to elucidate the mechanism of the elimination process. |
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| Keywords: | Benzimidazol-2-yl-N&prime -arylidenehydrazine 2-Aminobenzimidazole Triazacyclopenta[a]indene Azaindino[1,2-b]fluorine Gas-phase pyrolysis Mechanism |
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