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. 18, 2016
Filed:
Jul. 26, 2006
Applicants:
Christoph Jaekel, Limburgerhof, DE;
Rocco Paciello, Bad Duerkheim, DE;
Inventors:
Christoph Jaekel, Limburgerhof, DE;
Rocco Paciello, Bad Duerkheim, DE;
Assignee:
BASF SE, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/50 (2006.01);
U.S. Cl.
CPC ...
C07F 9/5027 (2013.01); Y02P 20/582 (2015.11);
Abstract
The present invention relates to a process for preparing optically active bisphosphinylalkanes from the correspondingly substituted, racemic 1,2-diols. The optically active bisphosphinylalkanes which can be obtained in this way are suitable as ligands for preparing chiral transition metal catalysts.