1-aza-1,3-enynes in synthesis of substituted 4H-[1,3]thiazino[3,2-a]benzimidazol-4-ols
作者:M. V. Karpov、A. V. Eremin、A. I. Fisher、A. N. Belyaev、M. D. Stadnichuk
DOI:10.1134/s1070363211010208
日期:2011.1
Reaction of N-tert-butyl-1-aza-1,3-enynes with symmetrically substituted 2-mercaptobenzimidazoles in water-alcohol solutions afford 4H-[1,3]thiazino[3,2-a]benzimidazol-4-ols. The structure of compounds obtained was proved by the H-1 and C-13 NMR spectroscopy and X-ray diffraction data.