PROCESS FOR THE PREPARATION OF CARVONE - NATIONALE AAN EN VERKOOPCOOEPE

Title:

PROCESS FOR THE PREPARATION OF CARVONE

Document Type and Number:

WIPO Patent Application WO1999012880

Kind Code:

A9

Abstract:

Carvone can be prepared by catalytic oxidation of limonene with 0.001-0.2 equivalent palladium or a salt thereof in the presence of a reoxidising agent such as a copper salt and a salt of a non-transition metal, for example sodium carbonate, in an organic solvent, the yield being improved if the oxidation is carried out in one step in the presence of oxygen and water. The presence of an acid results in a further improvement.

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Inventors:

MULDER PATRICIUS PETRUS JOHANN (NL)
VAN HAVEREN JACCO (NL)
NIJHUIS HERMAN HENK (NL)

Application Number:

PCT/NL1998/000505

Publication Date:

November 21, 2002

Filing Date:

September 04, 1998

Export Citation:

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Assignee:

NATIONALE AAN EN VERKOOPCOOEPE (NL)
MULDER PATRICIUS PETRUS JOHANN (NL)
VAN HAVEREN JACCO (NL)
NIJHUIS HERMAN HENK (NL)

International Classes:

C07C45/28; C07C45/30; C07C45/34; (IPC1-7): C07C45/30; C07C45/28; C07C49/647

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