Abstract
N,S-Divinyl-2-mercaptobenzimidazole reacts with thiols under free-radical initiation conditions at both vinyl groups to give β-addition products, whereas it reacts with sulfur dioxide to give a stable complex. N-Vinylbenzimidazole-2-thione was obtained by heating the divinyl derivative of benzimidazole-2-thione in the presence of a mercaptan without a catalyst. The former on reaction with thiols under the influence of azobisisobutyronitrile readily forms N-(β-alkylthio)ethylbenzimidazole-2-thiones; in the presence of ionic catalysts, N-(α-alkylthio)ethylbenzimidazole-2-thiones are formed.
Original language | English |
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Pages (from-to) | 1416-1419 |
Number of pages | 4 |
Journal | Chemistry of Heterocyclic Compounds |
Volume | 11 |
Issue number | 12 |
DOIs | |
State | Published - 1 Dec 1975 |
Externally published | Yes |
ASJC Scopus subject areas
- Organic Chemistry