Benzof!quinoxalinedione derivatives, their production and use in pharmaceutical agents

US5710138A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Peter Holscher · Berlin, DE
• Lechoslaw Turski · Berlin, DE

Key dates

• Filing date: Jan 22, 1996
• Grant date: Jan 20, 1998
• Expiry date: Jan 22, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/65583
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of formula I ##STR1## are described, in which substituents R.sup.1 -R.sup.4 have the meanings mentioned in the application as well as their production and use in pharmaceutical agents.