Type: Article
Efficient synthesis of imidazo[2,1-b][1,3]benzothiazoles and 9H-imidazo-[1,2-a][1,3]benzimidazoles under solvent-free conditions
Journal: Synlett (09365214)Year: 2008/12/01Volume: Issue: 19
DOI:10.1055/s-0028-1083623Language: English
Abstract
An efficient synthesis of imidazo[2,1-b][1,3]benzothiazoles and 9H-imidazo[1,2-a][1,3]benzimidazoles is described from a novel multicomponent reaction between 2-aminobenzothiazoles or 2-aminobenzimidazole, benzaldehydes, and imidazoline-2,4,5-tri-one under solvent-free conditions. © Georg Thieme Verlag Stuttgart.
Author Keywords
9H-imidazo[1,2-a][1,3]benzimidazolesHeterocyclesImidazo[2,1-b][1,3]benzothiazolesImidazoline-2,4,5-trioneMulticomponent reactionsSolvent-free synthesis2 aminobenzidazole derivative2 aminobenzothiazole derivative9h imidazo[1,2 a][1,3]benzimidazole derivativebenzaldehyde derivativebenzimidazole derivativebenzothiazole derivativeimidazo[2,1 b][1,3]benzothiazole derivativeimidazoline 2,4,5 trioneimidazoline derivativeunclassified drug