C-7,C-10-dibenzyloxycarbonyl-10-deacetyl baccatin III 、
(2R,3S)-5-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]-2-(phenylmethoxymethoxy)hexanoic acid 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以
甲苯 为溶剂,
反应 25.25h,
生成 [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-1-hydroxy-10,14,17,17-tetramethyl-15-[(2R,3S)-5-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]-2-(phenylmethoxymethoxy)hexanoyl]oxy-11-oxo-9,12-bis(phenylmethoxycarbonyloxy)-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate