Preparation of amine oxides

US5639880A · kind A · utility

Assignee

• BASF SE

Inventors

• Ulrich Müller · Neustadt, DE
• Klemens Massonne · Bad Dürkheim, DE
• Karsten Eller · Stockach, DE
• Michael Schulz · Ludwigshafen, DE

Key dates

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

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C291/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing amine oxides of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.30 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.1 -C.sub.30 -hydroxyalkyl, C.sub.1 -C.sub.30 -aminoalkyl, C.sub.2 -C.sub.30 -alkoxyalkyl, aryl, C.sub.7 -C.sub.20 -aralkyl, C.sub.7 -C.sub.20 -alkylaryl, C.sub.1 -C.sub.8 -alkyl-, C.sub.1 -C.sub.8 -alkoxy- or halogen-monosubstituted, -disubstituted, -trisubstituted, -tetrasubstituted or -pentasubstituted C.sub.3 -C.sub.12 -cycloalkyl, aryl, C.sub.7 -C.sub.20 -aralkyl, C.sub.7 -C.sub.20 -alkylaryl, --[(CH.sub.2).sub.2 --O].sub.n --R.sup.4, --{[CH(CH.sub.3)CH.sub.2 ]--O}.sub.m --R.sup.5, or R.sup.1 and R.sup.2 are together an uninterrupted or oxygen-, nitrogen- or sulfur-interrupted C.sub.3 -C.sub.12 -alkylene diradical chain PA1 R.sup.4 and R.sup.5 are each C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.12 -cycloalkyl, hydroxyl, --COR.sup.6 or --CH.sub.2 --COOR.sup.7, C.sub.3 -C.sub.12 -cycloalkyl, aryl, C.sub.7 -C.sub.20 -aralkyl or C.sub.7 -C.sub.20 -alkylaryl, PA1 R.sup.6 and R.sup.7 are each C.sub.1 -C.sub.12 -alkyl or C.sub.3 -C.sub.12 -cycloalkyl, and PA1 m and n are each from 1 to 40, from amines of the gen…