Alkyl-and alkenyl-sulfonyl hydroxypyridones for use as...

Details Alkyl-and alkenyl-sulfonyl hydroxypyridones for use as... Alkyl-and alkenyl-sulfonyl hydroxypyridones for use as...

C - Chemistry, Metallurgy

07

D

260/291.3, 260/2

C07D 213/69 (2006.01) C07D 213/71 (2006.01) C07D 213/82 (2006.01) C07D 401/00 (2006.01) C09B 29/42 (2006.01)

Patent

CA 1129862

ABSTRACT OF THE DISCLOSURE The invention provides compounds of the formula Image wherein each of R1 and R2 independently is a substituted or unsubstituted alkyl or aryl radical, R3 is a hydrogen atom or the carbamoyl radical, and X is a substituted or unsubstituted alkyl or alkenyl radical. The compounds are intermediates which can be used as coupling components for the production of azo dyes.

315197

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