2-oxo-1-substituted pyrazolo[1,5-A]pyrimidine-6-carboxylic acid

Details 2-oxo-1-substituted pyrazolo[1,5-A]pyrimidine-6-carboxylic acid 2-oxo-1-substituted pyrazolo[1,5-A]pyrimidine-6-carboxylic acid

1988-01-19

1989-09-26

Schwartz, Richard A.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544281, 544117, 544 584, 544 585, 544 80, 540600, 5142332, 514258, 5142325, 5142285, 514253, A61K 31505, C07D48704

Patent

active

048700720

ABSTRACT:
Cardiovascular activity is exhibited by compounds having the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R.sub.1 is ##STR2## or ##STR3## and R.sub.2, R.sub.3 and R.sub.4 are as defined herein.

REFERENCES:
patent: 2593890 (1952-04-01), Kellog
Allen et al., "The Structure of Certain Polyazaindenes, I. Absorption Spectra", J. Org. Chem. 24, 779-787 (1959).
Comprehensive Organic Chemistry, vol. 2 (1979, pp. 514-521).
D. H. Barton et al., J. Chem. Soc., "A New Procedure for the Oxidation of Alcohols", pp. 1855-1857 (1964).

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