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
<正>An efficient and simple method for the preparation of 5-arylamino-1H-tetrazole and 1-aryl-5-amino-1H-tetrazole derivatives is reported using aluminum(Ⅲ) hy