Vanadium-catalyzed oxidative kinetic resolution(OKR) of methyl o-chloromandelate 2a,key intermediate of the well-known oral antiplatelet agent(S)-clopidogrel,was achieved by ambient air for the first time.The air ...Vanadium-catalyzed oxidative kinetic resolution(OKR) of methyl o-chloromandelate 2a,key intermediate of the well-known oral antiplatelet agent(S)-clopidogrel,was achieved by ambient air for the first time.The air oxidation system,which was composed of vanadium and tridentate Schiff base ligands derived from amino alcohols and salicylaldehyde derivatives,afforded an efficient and economic approach to the target intermediate with high enantioselectivities(99%ee).展开更多
基金supported by National Natural Science Foundation of China(No.20472116) and 2009 intranational visiting doctoral student project of Ministry of Education.
文摘Vanadium-catalyzed oxidative kinetic resolution(OKR) of methyl o-chloromandelate 2a,key intermediate of the well-known oral antiplatelet agent(S)-clopidogrel,was achieved by ambient air for the first time.The air oxidation system,which was composed of vanadium and tridentate Schiff base ligands derived from amino alcohols and salicylaldehyde derivatives,afforded an efficient and economic approach to the target intermediate with high enantioselectivities(99%ee).