CA1303037C — Purinone derivatives as bronchodilators vasodilators and anti-allergic agents
Assigned to Smith Kline and French Laboratories Ltd · Expires 1992-06-09 · 34y expired
What this patent protects
A B S T R A C T PURINONE DERIVATIVES AS BRONCHODILATORS, VASODILATORS AND ANTI-ALLERGIC AGENTS Compounds of the formula (1) : (1) and pharmaceutically acceptable salts thereof are described, wherein R1 is C1-6alkyl or C2-6alkenyl, a…
USPTO Abstract
A B S T R A C T PURINONE DERIVATIVES AS BRONCHODILATORS, VASODILATORS AND ANTI-ALLERGIC AGENTS Compounds of the formula (1) : (1) and pharmaceutically acceptable salts thereof are described, wherein R1 is C1-6alkyl or C2-6alkenyl, and R2 is hydrogen or hydroxy. These compounds have vasodilator, bronchodilator and anti-allergic properties. Pharmaceutical compositions are described as are methods of use. Processes for the preparation of the compounds of the formula (1) are described.
Drugs covered by this patent
- Trulance (PLECANATIDE) · Salix
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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