Preparation of 1,6-hexanediol

US7064239B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Rolf Fischer · Heidelberg, DE
• Thomas Krug · Worms, DE
• Andrea Haunert · Mannheim, DE
• Michael Roper · Monsheim, DE
• Tilman Sirch · Schifferstadt, DE
• Wolfram Stuer · Würzburg, DE

Key dates

• Filing date: Dec 3, 2003
• Grant date: Jun 20, 2006
• Expiry date: Dec 3, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/177
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention provides a process for preparing 1,6-hexanediol having a purity of ≧99.5% by weight by catalytically dimerizing acrylic esters and catalytically hydrogenating the hexenedioic diesters obtained in this way to 1,6-hexanediol by