Method for producing specific oximes and oximethers

US9464038B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Albert Schnatterer · Leverkusen, DE
• Dieter Heinz · Heppenheim, DE
• Martin Littmann · Middletown, US
• Ulrich Philipp · Odenthal, DE
• Juergen Ludwig · Odenthal, DE
• Constantin Frerick · Weil am Rhein, DE
• Michael Barz

Key dates

• Filing date: May 20, 2014
• Grant date: Oct 11, 2016
• Expiry date: May 20, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/09
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I)wherein R1, R2 and X are defined as specified in the description.