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US 10,519,090 B2Granted
Process for Pd-catalyzed hydroxycarbonylation of diisobutene: acetic acid/diisobutene ratio
AssigneeEvonik Degussa GmbH
InventorsRui Sang, Peter Kucmierczyk, Kaiwu Dong, Ralf Jackstell, Matthias Beller, Robert Franke
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Abstract
Process for Pd-catalyzed hydroxycarbonylation of diisobutene:acetic acid/diisobutene ratio.
Claims6
A process for the conversion of diisobutene to a corresponding carboxylic acid P1 comprising:
- a) adding diisobutene, forming a reaction mixture,
- b) adding a compound comprising Pd, wherein the Pd is capable of forming a complex,
- c) adding the ligand L1:
- Fe
- d) adding acetic acid,
- wherein the acetic acid is added in an amount in the range from 5 mol to 8 mol of acetic acid per mole of diisobutene, effective to enhance conversion of diisobutene to the corresponding carboxylic acid P1,
- e) feeding in CO,
- f) heating the reaction mixture such that the diisobutene is converted to the compound P1:
5 more elements
Dependencies are inferred from the claim text.