C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 453/04 (2006.01) C07C 29/48 (2006.01) C07C 31/20 (2006.01) C07C 33/26 (2006.01) C07C 67/29 (2006.01) C07C 67/31 (2006.01) C07C 69/18 (2006.01) C07C 69/732 (2006.01) C07C 205/22 (2006.01) C07D 307/42 (2006.01) C07D 317/30 (2006.01) C07F 7/18 (2006.01)
Patent
CA 2087035
Osmium-catalyzed methods of addition to an olefin are discussed. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an oxidant and an osmium-containing compound are combined. In the method of asymmetric oxyamination of the present invention, an olefin, a chiral ligand, an organic solvent, water, a metallochloramine derivative, an osmium-containing compound and, optionally, a tetraalkyl ammonium compound are combined. In the method of asymmetric diamination of the present invention, an olefin, a chiral ligand, an organic solvent, a metallochloramine derivative, an amine and an osmium-containing compound are combined. In one embodiment, an olefin, a chiral ligand which is a polymeric dihydroquinidine derivative or a dihydroquinine derivative. acetone, water, a base, an oxidant and osmium tetroxide are combined to effect asymmetric dihydroxylation of the olefin.
Beller Matthias
Blackburn Brent
Kawanami Yasuhiro
Kwong Hoi-Lun
Ogino Yasukazu
Borden Ladner Gervais Llp
Massachusetts Institute Of Technology
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