Process for the preparation of N-phosphonomethylglycine

US6855841B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Christian Wulff · Mannheim, DE
• Stefan Orsten · Ellerstadt, DE
• Alfred Oftring · Bad Dürkheim, DE

Key dates

• Filing date: Sep 22, 2003
• Grant date: Feb 15, 2005
• Expiry date: Sep 22, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/3813
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.