Alkoxycoumarins substituted by a heterocyclic radical, their preparation and therapeutic agents containing these compounds

US5227392A · kind A · utility

Assignee

• BASF SE

Inventors

• Fritz-Frieder Frickel · Ludwigshafen, DE
• Thomas Kuekenhoehner · Bischofswerda, DE
• Beatrice Rendenbach-Mueller · Waldsee, DE
• Harald Weifenbach · Ludwigshafen, DE
• Hans-Juergen Teschendorf · Dudenhofen, DE

Key dates

• Filing date: May 28, 1992
• Grant date: Jul 13, 1993
• Expiry date: May 28, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An alkoxycoumarin substituted by a heterocyclic radical, or the formula ##STR1## R.sup.1 and R.sup.2 independently of one another are each hydrogen, C.sub.1 -C.sub.5 -alkyl, trifluoromethyl, phenyl or halogen, or together form a C.sub.3 -C.sub.5 -alkylene chain, R.sup.3 is C.sub.1 -C.sub.5 -alkyl or halogen, n is an integer of from 0 to 3, R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl and Het is one of the following heterocyclic radicals: ##STR2##