(1S,2S,3R,4S,5R,8R,9S,10R,13S)-4-acetoxy-2-benzoyloxy-5,20-epoxy-1-hydroxy-9,10-[(1S)-2-(morpholino)ethylidenedioxy]tax-11-en-13-yl (2R,3S)-3-(3-benzyloxy-2-pyridyl)-3-(tert-butoxycarbonylamino)-2-hydroxypropionate 在
palladium dihydroxide 氢气 作用下,
以
乙醇 为溶剂,
以84%的产率得到(1S,2S,3R,4S,5R,8R,9S,10R,13S)-4-acetoxy-2-benzoyloxy-5,20-epoxy-1-hydroxy-9,10-[(1S)-2-(morpholino)ethylidenedioxy]tax-11-en-13-yl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-(3-hydroxy-2-pyridyl)propionate