2-methylpropyl (2R,3R)-2-(furan-2-yl)-3-(2-methoxypropan-2-yloxy)-4-oxoazetidine-1-carboxylate 、 10-cyclopropylformyl-7-triethylsilylbaccatin III 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-12-(cyclopropanecarbonyloxy)-15-[(2R,3R)-3-(furan-2-yl)-2-(2-methoxypropan-2-yloxy)-3-(2-methylpropoxycarbonylamino)propanoyl]oxy-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-triethylsilyloxy-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate