o-Aminoazo compounds

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

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Details

534599, 534643, 534733, C09B 29085, C09B 43124

Patent

active

051838818

ABSTRACT:
The new o-aminoazo compounds of the formula ##STR1## in which the substituents D, A, R and R.sub.1 and the index n have the meaning given in the description are valuable intermediates for the preparation of metal complex dyestuffs and are also highly suitable for the dyeing of wool and polyamide.

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patent: 2870137 (1959-01-01), Merian et al.
patent: 3109841 (1963-11-01), Gumprecht et al.
patent: 3116280 (1963-12-01), Frisch et al.
patent: 3451991 (1969-06-01), Kleiner
patent: 4230618 (1980-10-01), Gauthier
patent: 4537598 (1985-08-01), Schaetzer et al.

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