Preparation of vinyl glycols

US5336815A · kind A · utility

Assignee

• BASF SE

Inventors

• Rainer Becker · Bad Dürkheim, DE
• Walter Gramlich · Edingen-Neckarhausen, DE
• Michael Huellmann · Heppenheim, DE
• Hans-Ulrich Scholz · Bad Dürkheim, DE

Key dates

• Filing date: Apr 29, 1993
• Grant date: Aug 9, 1994
• Expiry date: Apr 29, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/56
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Preparation of vinyl glycols (I) ##STR1## (R.sup.1 to R.sup.6 =H, a carbo-organic radical, optionally substituted) in which an unsaturated diol of formula II ##STR2## is isomerized in the presence of a rhenium catalyst under neutral conditions. The compounds (I) serve as intermediates for the preparation of active substances and for the preparation of polymers.