Process for producing phosphorus-containing cyanohydrin esters

US10316048B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Hans-Joachim Ressel · Hattersheim, DE
• Kilian Tellmann · Leverkusen, DE
• Mark James Ford · Nordenstadt, DE
• Martin Littmann · Middletown, US
• Gunter Schlegel · Liederbach, DE

Key dates

• Filing date: Aug 30, 2016
• Grant date: Jun 11, 2019
• Expiry date: Aug 30, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/301
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.