N -(2,2,2-trichloroethylidene)- and N -(2,2-dichloro-2-phenylethylidene)-4-methoxybenzenesulfonamides from 4-methoxy- N , N -dichlorobenzenesulfonamide, trichloroethylene, and phenylacethylene
2017
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.
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