Prodrug of an anti-inflammatory active ingredient

US9096491B2 · kind B2 · utility

Assignee

• CHEMI S.P.A. · IT

Inventors

• Maurizio Zenoni · Paullo, IT
• Umberto Ciambecchini · Roma, IT
• Lorenzo De Ferra · Patrica, IT
• Stefano Turchetta · Roma, IT
• Vincenzo De Sio · Patrica, IT

Key dates

• Filing date: Jul 9, 2012
• Grant date: Aug 4, 2015
• Expiry date: Jul 9, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C229/64
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of a prodrug of 5-aminosalicylic acid, namely 2-butanoyloxy-5-amino-benzoic acid, and solid forms of such compound are described.