4-aminophenol derivatives

Details 4-aminophenol derivatives 4-aminophenol derivatives

1996-11-25

1998-07-14

Raymond, Richard L.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 581, 544 59, 544 60, 544171, 544174, C07D26530, C07D27912

Patent

active

057806250

ABSTRACT:
A description is given of novel O-phenol-substituted aminophenol derivatives of the formula ##STR1## in which the symbols are as defined in claim 1, which can be used in particular as stabilizers for magenta couplers in color-photographic recording materials.

REFERENCES:
patent: 3935016 (1976-01-01), Nishimura et al.
patent: 4452884 (1984-06-01), Leppard
patent: 4465765 (1984-08-01), Leppard et al.

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