Process for preparing derivatives of baccatine III and of 10-deacetylbaccatine III, of general formula (I), in which R is hydrogen or acetyl, by condensation of an acid of general formula (II) with a derivative of baccatine III or of 10-deacetylbaccatine III of general formula (III), R.sub.1, R.sub.2 and R.sub.3 denoting hydroxy-protecting groups, followed by the replacement of the protecting groups by hydrogen. ##STR1##
制备巴卡替三和10-去乙酰基巴卡替三的衍
生物的过程,其一般式为(I),其中R为氢或乙酰基,通过将一般式(II)的酸与一般式(III)的巴卡替三或10-去乙酰基巴卡替三的衍
生物(其中R.sub.1,R.sub.2和R.sub.3表示羟基保护基)进行缩合,然后将保护基替换为氢。