Thiaprostaglandins

US4080458A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Hans-Eckart Radunz · Darmstadt, DE
• Josef Kramer
• Manfred Baumgarth
• Dieter Orth · Darmstadt, DE

Key dates

• Filing date: May 9, 1975
• Grant date: Mar 21, 1978
• Expiry date: May 9, 1995

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

13-Thiaprostanoic acid derivatives of the formula ##STR1## wherein A is --CO-- or --CHOH--, B is --CH.sub.2 --CH.sub.2 -- or --CH=CH--, R.sup.1 is H or alkyl of 1 to 4 carbon atoms, m is a whole number from 0 to 5, n is a whole number from 0 to 3 or, when B is --CH=CH--, additionally 4, 5, 6, 7, 8 or 9, R.sup.2 is alkoxy of 1 to 4 carbon atoms, phenoxy, pyridyl, thienyl, naphthyl, phenyl substituted by F, Cl, Br, OH, OCH.sub.3 or OF.sub.3 or phenoxy substituted by F, Cl, Br, OH, OCH.sub.3, CH.sub.3 or CF.sub.3 or, when B is --CH=CH--, additionally hydrogen, phenyl or tolyl, R.sup.3 is H, methyl or ethyl, possess pharmacological activity, including blood pressure lowering activity.