Preparation of 3-hydroxyphenylacetic acid

US5639643A · kind A · utility

Assignee

• BASF SE

Inventors

• Horst Ralf Staudenmaier · Bad Dürkheim, DE
• Bernhard Hauer · Neheim, DE
• Wolfgang Ladner
• Ursula Mueller
• Uwe Pressler · Altrip, DE
• Joachim Meyer · Frankenthal (Pfalz), DE

Key dates

• Filing date: Jan 2, 1996
• Grant date: Jun 17, 1997
• Expiry date: Jan 2, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S435/911
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The invention relates to a novel process for preparing 3-hydroxyphenylacetic acid by cultivating a fungus of the genus Rhizoctonia, Ceratobasidium and Pellicularia in the presence of a phenyl compound of the formula I ##STR1## where X is COOR, CH.sub.2 OH, CH.sub.2 NH.sub.2 or ##STR2## R is methyl, ethyl, hydrogen, sodium, potassium or ammonium.