Hydroxymethylation of 6,8-O-dimethyl emodin was easily achieved in good yields by the modified Marschalk reaction.The influence of the amount of solvent,base an
<正>Vanadium-catalyzed oxidative kinetic resolution(OKR) of methyl o-chloromandelate 2a,key intermediate of the well-known oral antiplatelet agent(S)-clopidogre