A new catalytic asymmetric two-step or one-pot method for the preparation of the C-13 side-chain of paclitaxel (Taxol) and derivatives of the general formula (I) in the form of an acid, salt or ester, in which R represents an aryl group or alkyl group, R1 represents an aryl group or alkyl group, Y represents O, H or alkyl, and X1 represent -CH2-Ph, alkyl, aryl, SiR3 (where the silyl group is a common protective group) or other suitable protective group.
一种新的催化不对称两步或一锅法,用于制备
紫杉醇(
紫杉醇)的C-13侧链和通式(I)的衍
生物,其形式为酸,盐或
酯,其中R代表芳基或烷基,R1代表芳基或烷基,Y代表O,H或烷基,X1代表-CH
2-Ph,烷基,芳基,SiR3(其中
硅烷基是常见的保护基)或其他适当的保护基。