Preparation of carbonyl compounds

US4260829A · kind A · utility

Assignee

• BASF SE

Inventors

• Michael Horner · Neustadt, DE
• Axel Nissen
• Peter R. Laurer · Ludwigshafen, DE
• Matthias Irgang · Heidelberg, DE
• Heinrich Pasedach · Ludwigshafen, DE

Key dates

• Filing date: Aug 17, 1979
• Grant date: Apr 7, 1981
• Expiry date: Aug 17, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/62
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Carbonyl compounds R.sup.1 --CHR.sup.2 --CHR.sup.3 --CR.sup.4 O (I, R.sup.1 =H or an organic radical; R.sup.2 -R.sup.4 =H or C.sub.1 -C.sub.4 -alkyl) are prepared by selective hydrogenation of the .alpha.,.beta.-unsaturated carbonyl compounds R.sup.1 --CR.sup.2 =CR.sup.3 --CR.sup.4 O (II) in the liquid phase by means of hydrogen in the presence of a palladium catalyst and of from 15 to 50% by weight, based on (II), of a tertiary amine.