The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2017
Filed:
Dec. 14, 2016
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Haoquan Li, Zhongshan, CN;
Jie Liu, Zhuzhou, CN;
Matthias Beller, Ostseebad Nienhagen, DE;
Ralf Jackstell, Cuxhaven Altenwalde, DE;
Robert Franke, Marl, DE;
Katrin Marie Dyballa, Recklinghausen, DE;
Assignee:
EVONIK DEGUSSA GMBH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/00 (2006.01); C07C 67/38 (2006.01);
U.S. Cl.
CPC ...
C07C 67/38 (2013.01);
Abstract
The invention relates to a process for doubly carbonylating allyl alcohols to the corresponding diesters, wherein a linear or branched allyl alcohol is reacted with a linear or branched alkanol (alcohol) with supply of CO and in the presence of a catalytic system composed of a palladium complex and at least one organic phosphorus ligand and in the presence of a hydrogen halide selected from HCl, HBr and HI.