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:
Aug. 14, 2007
Filed:
May. 15, 2003
Kamaluddin Abdur-rashid, Mississauga, Ontario, CA;
Robert H. Morris, Toronto, Ontario, CA;
Kamaluddin Abdur-Rashid, Mississauga, Ontario, CA;
Robert H. Morris, Toronto, Ontario, CA;
Other;
Abstract
A process is provided for the hydrogenation or asymmetric hydrogenation of dialkyl, alkylalkenyl and dialkenyl imines of formula (II) to provide amines of formula (III), wherein, (i) Rand Rare optionally substituted cyclic, linear or branched alkyl or alkenyl; Ris a hydrogen atom, a hydroxy radical, optionally substituted Cto Ccyclic, linear or branched alkyl or alkenyl, optionally substituted aryl; or (ii) Ris alkyl or alkenyl, Ris alkyl or alkenyl and the two are linked together or with Rto form one or more rings; using a catalytic system comprising a base and a ruthenium complex containing (1) a diamine and (2) a diphosphine ligand or monodentate phosphine ligands in hydrogenation and asymmetric hydrogenation processes