Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase

US5672787A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Dietmar Bielefeldt · Ratingen, DE
• Norbert Lui · Odenthal, DE
• Albrecht Marhold · Leverkusen, DE

Key dates

• Filing date: Jun 17, 1996
• Grant date: Sep 30, 1997
• Expiry date: Jun 17, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C17/354
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

1,1,1,4,4,4-Hexafluorobutane (R 356) can be obtained in a simple manner and in excellent yields and with excellent selectivities when 1,1,1,4,4,4-hexafluorobutene is reacted in the liquid phase with hydrogen in the presence of a noble metal catalyst.