Menetelmä (2R-3S)-(4-asetoksi-2alfa-bentsoyylioksi-5beta,20-epoksi-1,7beta,10beta-trihydroksi-9-oksotaks-11-en-13alfa-yyli)-3-tert-butoksikarbonyyliamino-3-fenyyli-2-hydroksipropionaatin trihydraatinvalmistamiseksi

Menetelmä (2R-3S)-(4-asetoksi-2alfa-bentsoyylioksi-5beta,20-epoksi-1,7beta,10beta-trihydroksi-9-oksotaks-11-en-13alfa-yyli)-3-tert-butoksikarbonyyliamino-3-fenyyli-2-hydroksipropionaatin trihydraatinvalmistamiseksi

PCT No. PCT/FR95/00910 Sec. 371 Date Apr. 25, 1997 Sec. 102(e) Date Apr. 25, 1997 PCT Filed Jul. 7, 1995 PCT Pub. No. WO96/01815 PCT Pub. Date Jan. 25, 1996Process for the preparation of 4-acetoxy-2 alpha -benzoyloxy-5 beta ,20-epoxy-1,7 beta , 10 beta -trihydroxy-9-oxo-tax-11-en-13 alpha -yl (2R,3S...

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Hauptverfasser: DOVEZE,JACQUES, MANDARD,BERNADETTE, FOUQUE,ELIE, AUTHELIN,JEAN-RENE, TAILLEPIED,ISABELLE
Format: Patent
Sprache:fin ; swe
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Zusammenfassung:PCT No. PCT/FR95/00910 Sec. 371 Date Apr. 25, 1997 Sec. 102(e) Date Apr. 25, 1997 PCT Filed Jul. 7, 1995 PCT Pub. No. WO96/01815 PCT Pub. Date Jan. 25, 1996Process for the preparation of 4-acetoxy-2 alpha -benzoyloxy-5 beta ,20-epoxy-1,7 beta , 10 beta -trihydroxy-9-oxo-tax-11-en-13 alpha -yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate trihydrate, characterized in that the 4-acetoxy-2 alpha -benzoyloxy-5 beta ,20-epoxy-1,7 beta ,10 beta -trihydroxy-9-oxo-tax-11-en-13 alpha -yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate is crystallized from a mixture of water and an aliphatic alcohol containing 1 to 3 carbon atoms, and then the product obtained is dried under defined conditions of temperature, pressure and humidity.