Purification of .alpha.-bisabolol

US5132471A · kind A · utility

Assignee

• BASF SE

Inventors

• Gerald Lauterbach · Ludwigshafen, DE
• Otto Hertel · Ludwigshafen, DE
• Klaus Euler · Ludwigshafen, DE

Key dates

• Filing date: Apr 24, 1991
• Grant date: Jul 21, 1992
• Expiry date: Apr 24, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C33/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

.alpha.-Bisabolol is purified by distilling a plant extract containing .alpha.-bisabolol under reduced pressure and drawing off the purified .alpha.-bisabolol in the lower half of a distillation column as side product, and feeding in the extract above the side outlet.