反应详情

2-Propylthio-5,6-dimethylbenzimidazole (II) was prepared by the same procedure for I from 0,89 g (0,005 mol) 2-mercapto-5,6-dimethyl-benzimidazole, 0,8 g (0,006 mol) propylbromide in the presence 0,24 g (0,006 mol) sodium hydroxide in a yield of 0,72 g (60%), m.p. 122-123° C. (from mixture ethylacetate with hexane).