A Novel and Chemoselective Preparation of Chlorosulphonyl-containing Azo-dyes with Phosphoryl Chloride-N,N-Dimethylacetamide
Azo dyes containing a chlorosulphonyl group (1b)-(10b) have been prepared by the reaction of the corresponding sodium sulphonates (1a)-(10a) with phosphoryl chloride-N,N-dimethylacetamide (in acetonitrile); the chemoselectivity of this reagent is superior
Fujita, Shinsaku
p. 1519 - 1522
(2007/10/02)
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