Chai Lan-qin, Wang Xi-cun
2004
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Journal
Journal of Northwest Normal University
Abstract
Ethyl N-(5-aryloxymethylene-1,3,4-thiadiazol-2-yl) carbamates were efficiently synthesized by the reactions of 2-amino-5-aryloxymethylene-1,3,4-thiadiazoles with ethyl chlorocarbamate under liquid-liquid phase transfer catalysis using PEG-400 as catalyst, with advantages of mild condition, easy handling, and high yield. The structures of compounds were characterized by elemental analyses, IR and ()~1HNMR.