Substituted 6-benzyl-2H-3,4,5,6-tetrahydro-(1,3)-oxazines

US5114935A · kind A · utility

Assignee

• Dr. Karl Thomae GmbH · DE

Inventors

• Helmut Ballhause · Biberach, DE
• Gunther Engelhardt
• Claus A. Landgraf · Biberach, DE
• Norbert Mayer · Gersthofen, DE
• Willy Roth · Strengelbach, CH
• Kurt Schumacher · Speyer, DE
• Alex Prox · Warthausen, DE

Key dates

• Filing date: Aug 15, 1990
• Grant date: May 19, 1992
• Expiry date: Aug 15, 2010

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P11/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel compounds of the general formula ##STR1## which have antitussive activity, wherein R.sub.1 -R.sub.4 are as defined herein.