Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1985-05-13
1987-05-19
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
544251, A61K 31505, A61K 3152, C07D47328, C07D48714
Patent
active
046669140
ABSTRACT:
Substituted 2,3-dihydro-6-(hydroxy)pyrimido[2,1-f]purine-4,8(1H,9H)-diones their tautomers and salts, are anti-inflammatory and anti-allergy agents.
Methods for their preparation and use are described.
REFERENCES:
patent: 3862189 (1975-01-01), Schwender
patent: 4457919 (1984-07-01), Simon et al.
patent: 4460590 (1984-07-01), Moller
patent: 4569936 (1986-02-01), Blythin
Fieser, et al., "Reagents for Organic Synthesis", John Wiley & Sons, New York, (1967), pp. 588-589.
Fieser, et al. "Reagents for Organic Synthesis", John Wiley & Sons, New York, (1974), p. 293.
Conn David J.
Kaminski James J.
Solomon Daniel M.
Daus Donald G.
Miller Stephen I.
Nelson James R.
Rivers Diana G.
Schering Corporation
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