Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds

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United States of America Patent

PATENT NO 9981903
SERIAL NO

15651105

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Abstract

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The invention relates to a method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds. The method includes the steps of initially charging a diene having two conjugated double bonds, adding a phosphine ligand according to formula (I) and a catalyst precursor, adding an alcohol, feeding in CO, and heating the reaction mixture with conversion of the diene to a di- or tricarboxylic ester.

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Patent Owner(s)

Patent OwnerAddress
EVONIK OXENO GMBH & CO KG45772 MARL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beller, Matthias Ostseebad Nienhagen, DE 163 664
Dong, Kaiwu Bo Zhou, CN 29 142
Dyballa, Katrin Marie Recklinghausen, DE 90 336
Franke, Robert Marl, DE 223 716
Fridag, Dirk Haltern am See, DE 136 638
Geilen, Frank Haltern am See, DE 40 260
Hess, Dieter Marl, DE 82 699
Jackstell, Ralf Cuxhaven Altenwalde, DE 82 334

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