A process for making a capecitabine or its derivative comprising (a) reacting a compound of the formula (II): wherein each of R1 and R2 independently represents a hydroxyl protecting group, with an acylating agent of formula (III): X-C(=O)-R3, wherein X is an acyl activating group in an organic solvent to produce an acylated compound; (b) deprotecting the acylated compound to obtain the compound of formula (I); and (c) purifying the compound of formula (I) with a solvent.
一种制备
卡培他滨或其衍
生物的方法,包括(a)将式(II)的化合物与式(III)的酰化试剂反应:其中R1和R2各自独立地表示羟基保护基,X是有机溶剂中的酰基活化基团,以产生酰化化合物; (b)去保护酰化化合物以获得式(I)的化合物; 以及(c)用溶剂纯化式(I)的化合物。