Process for the preparation of 4,10-diacetoxy-2alpha-benzoyloxy-5-beta-20-epoxy-1,7beta-dihydroxy-9-oxo (2 R, 3 S) -3-benzoylamino-2-hydroxy-3-phenylpropionate trihydrate -Tax-11-en-13alpha-yl

摘要

PCT No. PCT/FR96/00104 Sec. 371 Date Jul. 24, 1997 Sec. 102(e) Date Jul. 24, 1997 PCT Filed Jan. 23, 1996 PCT Pub. No. WO96/22984 PCT Pub. Date Aug. 1, 1996A process for the preparation of 4,10-diacetoxy-2 alpha -benzoyloxy-5 beta ,20-epoxy-1,7 beta -dihydroxy-9-oxo-tax-11-en-13 alpha -yl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropionate trihydrate by crystallization from a water/alcohol solution.