Novel 2-hydroxynaphthalene-1-aldehydes, process for preparing th

Details Novel 2-hydroxynaphthalene-1-aldehydes, process for preparing th Novel 2-hydroxynaphthalene-1-aldehydes, process for preparing th

1977-09-21

1978-08-29

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260562R, C07C10322

Patent

active

041103750

ABSTRACT:
Novel 2-hydroxynaphthalene-1-aldehydes have been found which have the general formula (I) ##STR1## wherein R is a carboxylic acid group, a carboxylic acid ester group, preferably of an alkanol or of an optionally substituted phenol, an optionally substituted carboxylic acid amide group, or an optionally substituted carboxylic acid hydrazide group, which are very valuable intermediate products for the preparation of coloring agents, optical brighteners, textile auxiliary agents and pharmaceutical products.

REFERENCES:
patent: 3892803 (1975-07-01), Diamond et al.

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