SYNTHESIS OF 2-(4-CHLOROBENZOYLAMIDO)-5-ARYLOXYMETHYL-1,3,4-OXADIAZOLES UNDER MICROWAVE IRRADIATION
作者:Xicun Wang、Zheng Li、Zhenghua Zhang、Yuxia Da
DOI:10.1081/scc-100104342
日期:2001.1
2-(4-Chlorobenzoylamido)-5-aryloxymethyl-1,3,4-oxadiazoles (IIa-j) are synthesized by cyclization of 1-aryloxyacetyl-4-(4-chlorobenzoyl)-thiosemicarbazides (Ia-j) in the presence of mercuric acetate under the condition of microwave irradiation.
A Facile Method to 1,4-Diacyl Semicarbazides: Syntheses of 1-Aryloxyacetyl-4-(4-Chlorobenzoyl)-Thiosemicarbazides and Semicarbazides
作者:Xicun Wang、Zheng Li、Yuxia Da、Jichou Chen
DOI:10.1080/00397910008086980
日期:2000.9
Abstract A facile method to diacyl semicarbazides is described. Reactions of 4-chlorobenzoyl chloride with ammonium thiocyanate first, then with aryloxyacetic acid hydrazides under phase transfer catalysis give 1-aryloxyacetyl-4-(4-chlorobenzoyl)-thiosemicarbazides (Ia-h). Compounds Ia-h on treatment with potassium iodate under reflux result in the formation of 1-aryloxyacetyl-4-(4-chlorobenzoyl)-semicarbazides