Pyrazolinyl indolium dyestuffs

Details Pyrazolinyl indolium dyestuffs Pyrazolinyl indolium dyestuffs

1977-08-23

1979-03-06

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

8177AB, 260163, 26032611R, 26032615, 26032616, 542413, 542426, 542427, 542429, 542455, 542468, 548369, C07D40304

Patent

active

041432282

ABSTRACT:
Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, arylsulphonyl, alkylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl or aralkoxycarbonyl or arylazo,

REFERENCES:
patent: 2974141 (1961-03-01), Plue
patent: 3073820 (1963-01-01), Plue
patent: 3770727 (1973-11-01), Brack
Piozzo et al., Chem. Absts. 1967, vol. 67, No. 64295r.
Tsukerman et al., Chem. Absts. 1969, vol. 71, No. 22060r.
Gorbunova et al., Chem. Absts. 1971, vol. 74, No. 53631r.
Zhungietu et al., Chem. Absts. 1973, vol. 78, No. 111271u.

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