Process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from α,α-dihaloamines

US9512081B2 · kind B2 · utility

Assignees

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

Inventors

• Sergii Pazenok · Solingen, DE
• Norbert Lui · Odenthal, DE
• Arnd Neeff · Ennepetal, DE
• Winfried Etzel · Leichlingen, DE
• Jean-Pierre Vors · Sainte-Foy-lès-Lyon, FR
• Frederic Leroux · Herrlisheim, FR
• Gregory Landelle · Schiltigheim, FR
• Mark James Ford · Nordenstadt, DE

Key dates

• Filing date: May 19, 2014
• Grant date: Dec 6, 2016
• Expiry date: May 19, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a novel process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from α,α-dihaloamines.