Preparation of orthoesters

US6281392A · kind A · utility

Assignee

• BASF SE

Inventors

• Kirsten Burkart · Ludwigshafen, DE
• Josef Guth · Freinsheim, DE
• Thomas Letzelter · Ludwigshafen, DE
• Jurgen Schweinzer · Bischofswerda, DE
• Hans-Josef Sterzel · Schifferstadt, DE

Key dates

• Filing date: Nov 15, 1999
• Grant date: Aug 28, 2001
• Expiry date: Nov 15, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C41/60
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Orthoesters are prepared by reacting 1,1,1-trihaloalkanes with alkali metal alkoxides in the presence of the corresponding alcohol, a slurry of the alkali metal alkoxide in the corresponding alcohol being used.