C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 305/14 (2006.01)
Patent
CA 2211808
A method for preparing 4,10-diacetoxy-2 alpha -benzoyloxy-5 beta ,20-epoxy-1,7 beta -dihydroxy-9-oxo-tax-11-en-yl-13 alpha (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropionate trihydrate by crystallisation from a water/alcohol solution.
Procédé de préparation du trihydrate de (2R,3S)-3-benzoylamino-2-hydroxy-3- phénylpropionate de 4,10-diacétoxy-2.alpha.-benzoyloxy- 5,6,20-époxy-1,7.beta.-dihydroxy-9-oxo-tax-11-èn-yle-13.alpha. par cristallisation à partir d'une solution hydro-alcoolique.
Authelin Jean-Rene
Didier Eric
Leveiller Franck
Taillepied Isabelle
Aventis Pharma S.a.
Rhone-Poulenc Rorer S.a.
Robic
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