4-Piperazinyl derivatives of pyrazolo [1,5-a]-quinoxaline-3-carb

Details 4-Piperazinyl derivatives of pyrazolo [1,5-a]-quinoxaline-3-carb 4-Piperazinyl derivatives of pyrazolo [1,5-a]-quinoxaline-3-carb

1976-08-18

1977-05-10

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602472B, 260250Q, 424250, 42424855, C07D48704

Patent

active

040227820

ABSTRACT:
New 4-amino derivatives of pyrazolo[1,5-a]quinoxaline-3-carboxylic acid, esters and their salts have the formula ##STR1## R.sub.1 is hydrogen, lower alkyl or a salt forming ion; R.sub.2 and R.sub.3 each is hydrogen, lower alkyl, cyclo-lower alkyl, phenyl, substituted phenyl, phenyl-lower alkylene, di-lower alkylamino-lower alkylene or R.sub.2 and R.sub.3 together with the nitrogen form an unsubstituted or substituted 5- or 6-membered nitrogen heterocyclic in which an additional nitrogen or oxygen may be present.

REFERENCES:
patent: 3994893 (1976-11-01), Treuner

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