Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-07-19
1991-12-17
Rivers, Diana
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
544265, 544276, A61K 3152, C07D47330
Patent
active
050735594
ABSTRACT:
This invention relates to phenylpurinone derivatives which have bronchodilator and anti-allergic activities. A compound of the invention is 2-(2-propoxy-5-chlorophenyl)purin-6-one.
REFERENCES:
patent: 4885301 (1989-12-01), Coates
Kinzig Charles M.
Lentz Edward T.
Rivers Diana
Smith Kline & French Laboratories Ltd.
Suter Stuart R.
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