Polycyclic dyestuffs

Details Polycyclic dyestuffs Polycyclic dyestuffs

1978-06-13

1980-02-26

Wheeler, David

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 32, 546 41, 8 1D, 260 37N, 260 40R, 260 4252, 260 4243, C07D47122

Patent

active

041907264

ABSTRACT:
In spite of their pigment character, dyestuffs of the formula ##STR1## are outstandingly suitable for dyeing synthetic fibres, in particular polyester fibres, by customary methods, strong yellow dyeings with good fastness to light and sublimation being obtained. In the abovementioned formula:

REFERENCES:
patent: 1627738 (1927-05-01), Holl et al.
patent: 2861073 (1958-11-01), Eckert
patent: 3920662 (1975-11-01), Troster

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