Preparation of dihydroxyacetone

US5410089A · kind A · utility

Assignee

• BASF SE

Inventors

• Eugen Gehrer · Stockach, DE
• Wolfgang Harder · Weinheim, DE
• Herbert Vogel · Ludwigshafen, DE
• Bernhard Knuth · Ludwigshafen, DE
• Klaus Ebel · Lampertheim, DE
• Carsten Groening · Mannheim, DE

Key dates

• Filing date: Apr 29, 1993
• Grant date: Apr 25, 1995
• Expiry date: Apr 29, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing dihydroxyacetone by condensation, catalyzed by a thiazolium ylide, of formaldehyde, wherein the reaction is carried out in a system composed of an aqueous phase and at least one organic liquid phase.