Synthesis,X‐ray crystal structure and biological activities of α‐phenoxyl‐1,2,3‐thiadiazoleacetamide |
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Authors: | Wei Guang Zhao Zheng Ming Li Zhao Yang |
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Abstract: | The annelation of 1,2,3‐thiadiazole rings was accomplished by the reaction of N‐acylhydrazone 2a bearing an adjacent α‐methyl with thionyl chloride to give α‐chloro‐N‐methyl‐1,2,3‐thiadiazole‐4‐acetamide 4 and was demonstrated by the X‐ray crystal structure of its derivative 5a. A novel series of α‐substituted phenoxy‐N‐methyl‐1,2,3‐thiadiazole‐4‐acetamide 5 were synthesized through the reaction of the compound 4 and phenols. The results of bioassays show that the title compounds exhibit good anti‐HBV activities. The crystal of compound 5a , N‐methyl‐α‐2‐bromophenyl‐1,2,3‐thiadiazole‐4‐acetamide, has been prepared and determined by X‐ray diffraction. |
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