Chroman derivatives

US5013853A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Rolf Gericke · Seeheim-Jugenheim, DE
• Manfred Baumgarth
• Ingeborg Lues · Darmstadt, DE
• Rolf Bergmann
• Jacques De Peyer · Darmstadt, DE

Key dates

• Filing date: May 5, 1989
• Grant date: May 7, 1991
• Expiry date: May 5, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D493/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A compound of the formula: ##STR1## where in x-y is --CO--CH.sub.2 --, --COCR.sup.10-, --CHOHCHR.sup.8-, --CH.dbd.CR.sup.8 -- or ##STR2## and R.sup.9 is various, R.sup.1 and R.sup.8 are alkyl, R.sub.2 is H or alkyl and R.sup.1 and R.sup.2 are alkylene, are disclosed as useful as intermediates for cardiovascular agents.