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Title:
PROCESS FOR THE PRODUCTION OF CARBOXYLIC ACIDS
Document Type and Number:
WIPO Patent Application WO2001087815
Kind Code:
A3
Abstract:
Aliphatic carboxylic acids of formulae (Ib) R<1>-COOH(Ia) and R<2>-COOH wherein R<1> is tertiary C4-20-alkyl and R<2> is selected from hydrogen and C1-6-alkyl, or R<1> and R<2> together are -(CH2)n-with n = 3 to 10, are produced by oxidizing an aliphatic or alicyclic ketone of formula (II), wherein R<1> and R<2> are as defined above, with molecular oxygen in the presence of a soluble manganese(II) compound. The process has a high selectivity and is carried out under very mild conditions. It is especially useful for the production of dicarboxylic acids such as adipic acid from cyclic ketones.

Inventors:
FUMAGALLI CARLO (IT)
MINISCI FRANCESCO (IT)
PIROLA ROBERTO (IT)
Application Number:
EP0105400W
Publication Date:
April 04, 2002
Filing Date:
May 11, 2001
Export Citation:
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Assignee:
LONZA SPA (IT)
FUMAGALLI CARLO (IT)
MINISCI FRANCESCO (IT)
PIROLA ROBERTO (IT)
International Classes:
C07B61/00; C07C51/245; C07C51/31; C07C53/00; C07C53/128; C07C55/02; C07C55/12; C07C55/14; C07C55/16; C07C55/21; (IPC1-7): C07C51/31; C07C51/245; C07C53/00; C07C53/128; C07C55/02; C07C55/12; C07C55/14; C07C55/16
Foreign References:
GB566110A1944-12-14
FR2791667A12000-10-06
GB1012237A1965-12-08
GB1026725A1966-04-20
US3780098A1973-12-18
FR2541993A11984-09-07
Other References:
CHEMICAL ABSTRACTS, vol. 71, no. 1, 7 July 1969, Columbus, Ohio, US; abstract no. 2982, KUSUNOKI, MASAZUMI ET AL: "Dibasic acids from oxidation of cyclohexanone" XP002184034
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