Hydroquinone derivatives of pyridinecarboxylic acids

Details Hydroquinone derivatives of pyridinecarboxylic acids Hydroquinone derivatives of pyridinecarboxylic acids

1981-09-29

1983-10-18

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546326, 548484, 549 71, C07D21355

Patent

active

044107021

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are hydrogen or alkyl, X represents the atoms to complete an aromatic heterocyclic ring system and Y is hydrogen or has the meaning assigned to X, are readily cleaved in alkaline solutions to release a hydroquinone derivative.
The compounds can be incorporated into photographic materials used for activation processing.

REFERENCES:
Bhavsar et al., Chem. Abstracts, vol. 87(19), 151, 978x, Nov. 7, 1977.

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