Cyclopropanation of substituted phenylacetonitriles or phenyl acetates

US9604915B2 · kind B2 · utility

Assignee

• ZACH SYSTEMS S.P.A. · IT

Inventors

• Massimo Verzini · San Bonifacio, IT
• Livius Cotarca · Palmanova, IT
• Alberto Guidi · Lonigo, IT
• Alfonso Melloni · Bresso, IT
• Paolo Maragni · Mantova, IT

Key dates

• Filing date: Jun 20, 2014
• Grant date: Mar 28, 2017
• Expiry date: Jun 20, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the cyclopropanation with ethylene carbonate or ethylene sulfate of a compound of formula (II): wherein G is —CN or —COOR in which R is a C1-C4 straight or branched alkyl X and Y are independently selected from the group consisting of hydrogen, fluorine, chlorine, bromine, iodine, R1O— and R1S— wherein R1 is C1-C4 straight or branched alkyl chain.