5(3)-Aminopyrazolo-3,4(4,5)-dicarboximide azo dyestuff intermedi

Details 5(3)-Aminopyrazolo-3,4(4,5)-dicarboximide azo dyestuff intermedi 5(3)-Aminopyrazolo-3,4(4,5)-dicarboximide azo dyestuff intermedi

1983-01-06

1984-12-25

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D48702

Patent

active

044905416

ABSTRACT:
Compounds of the general formula I ##STR1## where R.sup.1 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl or aryl, acyl, alkoxycarbonyl, phenoxycarbonyl, unsubstituted or substituted carbamyl, thiocarbamyl or sulfamyl, or alkylsulfonyl or arylsulfonyl, and R.sup.2 is hydrogen or a radical of a primary amine, are very useful as diazo components for the preparation of azo dyes.

REFERENCES:
patent: 3166571 (1965-01-01), Izzo
patent: 3526633 (1970-09-01), Gadekar
J. Org. Chem., 29, 1915-1979, (1964).

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