A novel reaction of 2-phenacyl mercaptoimidazole with acetic anhydride: formation of an imidazothiazole with loss of a phenyl group
Autor: | Shashiprabha, Suresh P. Nayak, K Sundarraja Rao, K Shridhara, Kuppuswamy Nagarajan, T. N. Guru Row, Sajesh P. Thomas |
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Rok vydání: | 2020 |
Předmět: | |
Zdroj: | Journal of Chemical Sciences. 132 |
ISSN: | 0973-7103 0974-3626 |
DOI: | 10.1007/s12039-020-01824-y |
Popis: | Attempted cyclodehydration of phenacyl mercaptoimidazole hydrobromide with acetic anhydride gave an abnormal product lacking the phenyl group. The molecular structure is confirmed using X-ray crystal structure studies. Phenacyl mercaptobenzimidazole hydrobromide behaved similarly. Analysis of crystal structure revealed an intermolecular S…Br chalcogen bonding interaction. The cylization reaction of 2-phenacylmercaptoimidazole hydrobromide is carried out using acetic anhydride, afforded an unexpected imidazothiazole lacking a phenyl ring. The generality of the reaction is confirmed by a similar reaction which was carried out with phenacylmercaptobenzimidazole and yielded similar product |
Databáze: | OpenAIRE |
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