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:
Jun. 12, 2012
Filed:
Nov. 22, 2007
Lionel Saudan, Geneva, CH;
Christophe Saudan, Geneva, CH;
Michel Alfred Joseph Saudan, Legal Representative, Geneva, CH;
Sylvia Joyeuse Adélaide Ada Saudan, Legal Representative, Geneva, CH;
Lionel Saudan, Geneva, CH;
Christophe Saudan, Geneva, CH;
Michel Alfred Joseph Saudan, legal representative, Geneva, CH;
Sylvia Joyeuse Adélaide Ada Saudan, legal representative, Geneva, CH;
Firmenich SA, Geneva, CH;
Abstract
The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a substrate containing one or two esters, or lactones, functional groups into the corresponding alcohol, or diol, with the process being carried out in the presence of a base and at least one catalyst or pre-catalyst in the form of a ruthenium complex, wherein the ruthenium is coordinated by a diphosphine bidentate ligand (PP ligand) and a diamino bidentate ligand (NN ligand) that includes at least one substituted α-carbon and one primary amine as one of the coordinating atoms.