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[Reactions of 1-(X-benzoyl)-4-R-thiosemicarbazide with chloroacetone and omega-bromoacetophenone. I. 4-Phenyl- and 4-(p-tolyl)-thiosemicarbazide of p=chlorobenzoic acid].

The reactions of 4-phenyl- and 4-(p-tolyl)-thiosemicarbazide of p-chlorobenzoic acid (Ia, b) with chloroacetone and omega-bromoacetophenone were investigated in: 1) methanolic medium (method D); 2) methanolic medium in the presence of anhydrous CH3COONa (method E); 3) methanolic medium in the presence of N(C2H5)3 (method F). The properties of compounds IIa-d and IIIa-d were determined under the conditions of basic and acidic hydrolysis. The results of UV and IR spectroscopic measurements were reported.