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:
Sep. 05, 2017
Filed:
Sep. 28, 2015
Thomas Swan & Co. Ltd, Durham, Durham, GB;
David Dunn, Jarrow, GB;
Howard Winston Tyrrell Sutton, Washington, GB;
John Ing Chuan Daly, Hexham, GB;
Simon Jonathon Grant, Newcastle, GB;
Lian Hutchings, Darlington, GB;
Patrice Georges Antonin Ribiere, Durham, GB;
Matthew Richard Gibbings, Rainton, GB;
Sergio Aaron Gamboa Martinez, Newcastle upon Tyne, GB;
Craig Anderson, Stanley, GB;
Yulia Rogan, Durham, GB;
Thomas Swan & Co. Ltd, Durham, GB;
Abstract
A catalyst, method of using, and use of a hydrogenation catalyst, preferably palladium on a support, preferably alumina or activated charcoal support. This in the presence of lithium salts, with salts such as the borates being preferred. This provides hydrogenation of precursors to give rise to a stereoselective, such as diastereoselective bias in the product of alkene hydrogenation using the catalyst. This equation, using the preferred substrate, best illustrates the invention: