Process for preparing spiro[2.5]octane-5,7-dione

US9212120B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Torsten Busch · Frankfurt am Main, DE
• Sven ANKLAM · Kelkheim, DE
• Joerg Jung · Frankenthal (Pfalz), DE
• Markus Ostermeier · Biberach an der Riß, DE

Key dates

• Filing date: Jul 29, 2014
• Grant date: Dec 15, 2015
• Expiry date: Jul 29, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2602/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is a method for the synthesis of spiro[2.5]octane-5,7-dione useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed are novel intermediates used in the synthesis of this compound.