Procedure for the decarboxylation of 3,5-bis(haloalkyl)-pyrazole-4-carboxylic acid derivatives

US9145370B2 · kind B2 · utility

Assignees

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE
• CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR

Inventors

• Sergii Pazenok · Solingen, DE
• Jean-Pierre Vors · Sainte-Foy-lès-Lyon, FR
• Frederic Leroux · Herrlisheim, FR
• Florence Giornal · Orange, FR

Key dates

• Filing date: Aug 28, 2013
• Grant date: Sep 29, 2015
• Expiry date: Aug 28, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A new process for the preparation of 3,5-bis(haloalkyl)-pyrazole derivatives of the general formula (I)