Yu. A. Aizina, I. B. Rozentsveig, A. Popov
Nov 1, 2017
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Journal
Russian Journal of Organic Chemistry
Abstract
Reaction of 4-methoxy-N,N-dichlorobenzenesulfonamide with trichloroethylene and phenylacetylene underlies an effective method developed for the synthesis of highly reactive 4-methoxy-N-(2,2,2-trichloroethylidene)- and 4-methoxy-N-(2,2-dichloro)-2-phenylethylidene)benzenesulfonamides, valuable reagents for the preparation of new difficultly accessible derivatives of the sulfonamide series.