Process for the preparation of 2-mercaptobenzoxazoles

US4677209A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Ulrich Kussmaul · Karben, DE
• Manfred Langer · Hanau, DE
• Kuno Reh · Frankfurt am Main, DE
• Johannes Becherer · Maintal, DE
• Herbert Wille · Frankfurt, DE
• Rolf Muller · Karben, DE

Key dates

• Filing date: Mar 27, 1986
• Grant date: Jun 30, 1987
• Expiry date: Mar 27, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D263/58
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2-Mercaptobenzoxazoles of the formula ##STR1## wherein R is hydrogen or halogen and M is hydrogen or a metal atom, are prepared by reacting an ortho-aminophenol or metal salts thereof, with an alkali metal trithiocarbonate in aqueous solution.