74460-39-2Relevant articles and documents
Benzazoles. Part 12. Synthesis of 2-(Tetrahydro-2-thienyl)benzimidazoles and their Usaturated Derivatives by the Reaction of 2-Mercaptoalkylbenzimidazoles with β-Electrophilic Ketones
Hankovszky, H. Olga,Hideg, Kolmon,Lex, Laszlo,Foeldesi, Andras,Sohar, Pal
, p. 699 - 704 (2007/10/02)
2-(α-Mercaptoalkyl)benzimidazoles (3) reacted with β-halogenoalkylketones (1) or with α,β-unsaturated ketones (2) to form the vinylogue aadducts (4) which cyclised to give 2-(3-hydroxytetrahydro-2-thienyl)benzimidazoles (6).Compounds (4) or (6) reacted wi