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. 14, 2014
Filed:
Dec. 07, 2011
Beatriz Dominguez, Suffolk, GB;
Antonio Zanotti-gerosa, Cambridge, GB;
Gabriela Alexandra Grasa, Mantua, NJ (US);
Jonathan Alan Medlock, Cambridge, GB;
Beatriz Dominguez, Suffolk, GB;
Antonio Zanotti-Gerosa, Cambridge, GB;
Gabriela Alexandra Grasa, Mantua, NJ (US);
Jonathan Alan Medlock, Cambridge, GB;
Bial-Portela & C.A., S.A., S. Mamede do Coronado, PT;
Abstract
A diamine of formula (I) is described in which A is hydrogen or a saturated or unsaturated C1-C20 alkyl group or an aryl group; B is a substituted or unsubstituted C1-C20 alkyl, cycloalkyl, alkaryl, alkaryl or aryl group or an alkylamino group and at least one of X, X, Y, Yor Z is a C1-C10 alkyl, cycloalkyl, alkaryl, aralkyl or alkoxy substituting group. The chiral diamine may be used to prepare catalysts suitable for use in transfer hydrogenation reactions.