Process for the preparation of naphtholic 2-equivalent cyan coup

Details Process for the preparation of naphtholic 2-equivalent cyan coup Process for the preparation of naphtholic 2-equivalent cyan coup

1993-05-21

1995-10-31

Springer, David B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548146, 5482662, 5482678, 548260, 546168, 546167, C07D24906, C07D24908, C07D40904, C07D40104

Patent

active

054630720

ABSTRACT:
Compounds of formula I ##STR1## wherein A denotes a group having an electron acceptor character;

REFERENCES:
patent: Re29379 (1977-08-01), Shiba et al.
patent: 3617291 (1971-11-01), Sawdey
patent: 3733201 (1973-05-01), Barr
patent: 3933500 (1976-01-01), Shiba et al.
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 5021331 (1991-06-01), Vetter et al.

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