Aryl sulfinic acid derivatives of aliphatic, aromatic of...

Details Aryl sulfinic acid derivatives of aliphatic, aromatic of... Aryl sulfinic acid derivatives of aliphatic, aromatic of...

C - Chemistry, Metallurgy

07

D

260/611.1, 260/6

C07D 455/02 (2006.01) B41M 5/136 (2006.01) B41M 5/323 (2006.01) C07D 207/333 (2006.01) C07D 209/10 (2006.01) C07D 209/86 (2006.01) C07D 455/04 (2006.01)

Patent

CA 1144547

ABSTRACT OF THE DISCLOSURE Mono and bis subitituted (arylsulfonyl)alken- useful as color formers, particularly in carbonless duplicating and thermal marking systems, are prepared by the interaction of the appropriate aldehyde or dialdehyde with the appropriate aryl or heterocyclic moiety and the appropriate phenylsulfinic acid in the presence of a catalyst.

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