C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/6553 (2006.01) B01J 31/18 (2006.01) B01J 31/24 (2006.01) C07B 53/00 (2006.01) C07C 45/50 (2006.01) C07F 9/6506 (2006.01) C07F 9/655 (2006.01) C07F 9/6568 (2006.01) C07F 9/6571 (2006.01) C07F 9/70 (2006.01) C07F 9/80 (2006.01) C07F 15/00 (2006.01) B01J 31/22 (2006.01)
Patent
CA 2458430
The invention relates to a process for the manufacture of ligands capable of forming metal complexes and such complexes; novel ligands with new backbones, complexes thereof with transition metals, the use of complexes of said ligands with transition metals as catalysts, as well as novel intermediates for the manufacture of said ligands. The ligand complexes are useful in stereoselective synthesis, especially hydrogenation, of various organic molecules. Especially, the process according to the invention is directed to the synthesis of compounds of the formulae IA and IIA, wherein the substituents have the meanings given in the description, and to novel compounds of these formulae as ligands.
La présente invention concerne un procédé de fabrication de ligands capables de former des complexes de métaux, et de tels complexes. L'invention concerne en l'occurrence de nouveaux ligands présentant de nouvelles ossatures, des complexes de ceux-ci, contenant des métaux de transition, l'utilisation en tant que catalyseurs, de complexes de tels ligands, contenant des métaux de transition, ainsi que de nouveaux intermédiaires pour la fabrication de ces ligands. Ces complexes de ligands conviennent particulièrement à la synthèse stéréosélective, et notamment à l'hydrogénation, de diverses molécules organiques. Le procédé de l'invention permet en particulier la synthèse de composés représentés par les formules (IA, IIA) dans lesquelles les substituants sont tels que spécifiés dans la description, ainsi que la production de ces composés formant ligands.
Fetherstonhaugh & Co.
Solvias Ag
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