Novel dyes, their production and their use

Details Novel dyes, their production and their use Novel dyes, their production and their use

1982-09-30

1986-09-02

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544 12, 544287, 546 48, 548143, 548136, 548150, 548159, 548326, 548327, 548336, 549 60, 549280, 549283, C07D40504, C07D41304

Patent

active

046097384

ABSTRACT:
There are described novel dyes of the formulae ##STR1## in which R.sub.1 and R.sub.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aralkyl or aryl, and R.sub.1 and R.sub.2 together with the nitrogen atom, and optionally with the inclusion of further hetero atoms, can also form a 5- to 7-membered heterocycle, or one of the radicals R.sub.1 or R.sub.2 can be linked with the carbon atom, in the o-position with respect to the amino group, of the ring A to form a fused-on, saturated, unsubstituted or substituted 5- or 6-membered ring,

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Moeckli, "Chemical Abstracts", vol. 91, 1979, col. 91:40902f.
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Claussen, "Chemical Abstracts", vol. 98, 1983, col. 98:225214w.

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