OXIDATION OF 2-MERCAPTOBENZOHETERAZOLES BY DIMETHYLDIOXIRANE - A NEW METHOD FOR A SYNTHESIS OF C-2 SUBSTITUTED BENZIMIDAZOLE, BENZOXAZOLE, AND BENZOTHIAZOLE DERIVATIVES
G. Frachay et al., OXIDATION OF 2-MERCAPTOBENZOHETERAZOLES BY DIMETHYLDIOXIRANE - A NEW METHOD FOR A SYNTHESIS OF C-2 SUBSTITUTED BENZIMIDAZOLE, BENZOXAZOLE, AND BENZOTHIAZOLE DERIVATIVES, Heterocycles, 38(12), 1994, pp. 2621-2630
New and efficient reactions in which 2-mercaptobenzoheterazoles are se
lectively converted by dimethyldioxirane, under mild experimental cond
itions, to several C-2 substituted benzoimidazole, benzoxazole, and be
nzothiazole derivatives are reported.