Chiral catalysts for enantioselective synthesis

Details Chiral catalysts for enantioselective synthesis Chiral catalysts for enantioselective synthesis

C - Chemistry, Metallurgy

07

F

C07F 15/00 (2006.01) B01J 31/16 (2006.01) C07C 67/343 (2006.01) C07C 67/347 (2006.01) C07C 69/753 (2006.01) C07D 205/08 (2006.01) C07D 207/27 (2006.01) C07D 263/04 (2006.01) C07D 307/28 (2006.01) C07D 307/93 (2006.01) C07D 487/04 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2077542

A chiral catalyst is disclosed together with methods of using it for enantioselective syntheses. The chiral catalyst includes a nucleus with two metal atoms that has four bridging ligands oriented radially to the axis of the nucleus. Each of these ligands in- cludes a two complexing atoms each complexed to one of the metal atoms. At least one of the bridging ligands includes a chiral center which is bonded to one of the complexing atoms. Preferably, all four of the bridging ligands include a chiral center bonded to one of the complexing atoms. The catalyst of the invention has been found to be useful in catalyzing carbenoid transformation reactions such as cyclopropanation.

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