Process for producing ebselen in highly pure form

US5008394A · kind A · utility

Assignee

• A NATTERMANN & CIE GMBH · DE

Inventors

• Bernd-Rainer Gunther · Garching bei München, DE
• Rainer Losch · Bonn, DE
• Klaus Steiner · Pulheim, DE

Key dates

• Filing date: Aug 9, 1989
• Grant date: Apr 16, 1991
• Expiry date: Aug 9, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D293/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention is related to a process for preparing highly pure Ebselen (2-phenyl-1.2-benzisoselenazole-3(2H)-one) of formula ##STR1##