反应详情

A method for making 5,6-dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide by cyclization of the intermediate 2-[(2-hydroxyethyl)thio]-3-oxo-N-phenyl-butanamide, in which this intermediate is obtained by the reaction of di-(2-hydroxyethyl) disulfide with acetoacetanilide.