Pyrazolo¬1,5-c|quinazoline derivatives

Details Pyrazolo¬1,5-c|quinazoline derivatives Pyrazolo¬1,5-c|quinazoline derivatives

C - Chemistry, Metallurgy

07

D

260/242.01

C07D 487/14 (2006.01) C07D 487/04 (2006.01)

Patent

CA 1122215

QA161 Abstract PYRAZOLO[1,5-c]QUINAZOLINE DERIVATIVES New compounds are provided which are useful as anti-allergics and which have the structure Image wherein R1 is carboxyl; hydroxymethyl; CO2R3 wherein R3 is lower alkyl, Li+, Na+ or K+; or Image R2 is hydrogen, lower alkyl, aryl or trifluoromethyl; and X is hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl.

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