DIHYDRAT (2R, 3S) -3-TRET-BUTOXICARBONYLAMINO-2-HYDROXY-3-PHENYLPROPIONATE 4,10β-DIACETOXI-2α-m-Benzoyl-5β, 20-EPOXY-1-HYDROXI-an-I-I-M-Benzoyl-3β-20-EPOXY-1-HYDROXI-I-I-IZYLOXY-5β, 20-EPOXY-1-HYDROXI-I-I-IZYLOXY-5β, 20-EPOXY-1-HYDROXI-I-I-M-5 G TAX-II-EN-13α-ILA AND METHOD FOR ITS OBTAINING

摘要

The invention relates to the dihydrate (2R, 3S) -3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate 4,10β-diacetoxy-2α-benzoyloxy-5β, 20-epoxy-1-hydroxy-9-oxo-19-nor -cycloprop [g] tax-11-en-13a-yl and to the method of its production by crystallization from a water-alcohol or water-ketone solution. The international application was published together with an international search report.