Pyrazolo[4,3-d]pyrimidine derivative, process for its production

Details Pyrazolo[4,3-d]pyrimidine derivative, process for its production Pyrazolo[4,3-d]pyrimidine derivative, process for its production

1986-07-30

1988-05-24

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544262, A61K 31415, C07D48704

Patent

active

047466634

ABSTRACT:
A pyrazolo[4,3-d]pyrimidine derivative having the formula: ##STR1## wherein R.sup.1 is lower alkyl or phenyl which is unsubstituted or substituted by lower alkyl, lower alkoxy or halogen; R.sup.2 is a saturated or unsaturated, straight chain or branched aliphatic group having from 2 to 22 carbon atoms or phenyl-lower alkyl with the phenyl group unsubstituted or substituted by lower alkyl, lower alkoxy or halogen; and A is an alkylene group having from 1 to 3 carbon atoms which is unsubstituted or substituted by methyl, or a pharmaceutically acceptable salt thereof.

REFERENCES:
patent: 4654348 (1987-03-01), Fujikawa
Burger, A. A Guide to the Chemical Basis of Drug Design (1983) (John Wiley and Sons: New York, N.Y.) p. 15.
Merck Index, 9th ed. (1976), p. ONR-27 (Merck and Co.; Rahway, N.J.).
Physicians' Desk Reference, 40th ed. (1986) (pub: E. Barnhart) p. 881.

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