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:
Oct. 27, 2020
Filed:
Dec. 19, 2019
Applicant:
Dsm Ip Assets B.v., Heerlen, NL;
Inventors:
Ulla Letinois, Kaiseraugst, CH;
Stephan Ackermann, Kaiseraugst, CH;
Jonathan Alan Medlock, Kaiseraugst, CH;
Hajo Lehmann, Kaiseraugst, CH;
Assignee:
DSM IP ASSETS B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/30 (2006.01); C07C 37/07 (2006.01); C07C 37/50 (2006.01); C07C 43/178 (2006.01); C07D 311/72 (2006.01); C07C 46/08 (2006.01); C07C 41/36 (2006.01); B01J 31/18 (2006.01); B01J 31/22 (2006.01); B01J 31/24 (2006.01);
U.S. Cl.
CPC ...
C07C 41/30 (2013.01); B01J 31/183 (2013.01); B01J 31/2273 (2013.01); B01J 31/2404 (2013.01); C07C 37/07 (2013.01); C07C 37/50 (2013.01); C07C 41/36 (2013.01); C07C 43/1783 (2013.01); C07C 46/08 (2013.01); C07D 311/72 (2013.01); B01J 2531/18 (2013.01);
Abstract
The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an ecological beneficial synthesis of said ortho substituted phenols.