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Last Updated: November 17, 2019

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Details for Patent: 4,188,390

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Summary for Patent: 4,188,390
Title: Antihypertensive 4-amino-2-[4-(1,4-benzodioxan-2-carbonyl) piperazin-1-yl or homopiperazin-1-yl]quinazolines
Abstract:Compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof wherein R represents 6,7-di(lower alkoxy) or 6,7,8-tri(lower alkoxy); m is 1 or 2, X is --CHR.sup.1 -- or --CH.sub.2 CH.sub.2 --; each R.sup.1 and R.sup.0 may be the same or different and is hydrogen or lower alkyl; each of R.sup.2 and R.sup.3 is hydrogen, lower alkoxy, lower alkyl, halogen, lower alkanoyl, lower alkoxycarbonyl, --CONR.sup.4 R.sup.5 or --SO.sub.2 NR.sup.4 R.sup.5 wherein each of R.sup.4 and R.sup.5 is hydrogen or lower alkyl; processes for their preparation; and their use as regulators of the cardiovascular system, and particularly in the treatment of hypertension.
Inventor(s): Campbell; Simon F. (Deal, GB2)
Assignee: Pfizer Inc. (New York, NY)
Application Number:05/952,317
Patent Claim Types:
see list of patent claims
Compound; Composition;

Drugs Protected by US Patent 4,188,390

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 4,188,390

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom46128/77Nov 05, 1977
Denmark4286/78Sep 27, 1978

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