Preparation of E-oxime ethers of phenylglyoxylic esters

US5221762A · kind A · utility

Assignee

• BASF SE

Inventors

• Horst Wingert · Mannheim, DE
• Bernd Wolf · Niederkirchen, DE
• Remy Benoit · Les Villeneuves, FR
• Hubert Sauter · Mannheim, DE
• Michael Hepp · Ladenburg, DE
• Wassilios Grammenos · Ludwigshafen, DE
• Thomas Kuekenhoehner · Bischofswerda, DE

Key dates

• Filing date: Dec 13, 1991
• Grant date: Jun 22, 1993
• Expiry date: Dec 13, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C255/17
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

E-oxime ethers of phenylglyoxylic esters of the formula I ##STR1## where X and Y are each halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or trifluoromethyl; PA0 m is an integer from 0 to 4; PA0 n is an integer from 0 to 3; are prepared.