C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 305/14 (2006.01) A61K 31/337 (2006.01)
Patent
CA 2604193
A process for the preparation of 10-deacetyl-7,10-bis- trichloroacetylbaccatine III with HPLC purity higher than 99% and free from 2- debenzoyl-2-pentenoylbaccatine III by purification of 10-deacetyl-7,10-bis- trichloroacetylbaccatineIII followed by alkaline hydrolysis of the protecting groups in position 7 and 10.
L'invention concerne un procédé de préparation de 10-deacetyl-7,10-bis- trichloroacetylbaccatine III ayant une pureté par HPLC supérieure à 99 % et exempte de 2-debenzoyl-2-pentenoylbaccatine III par purification de 10-deacetyl-7,10-bis- trichloroacetylbaccatineIII et par hydrolyse alcaline des groupes de protection dans les positions 7 et 10.
Gabetta Bruno
Gambini Andrea
Indena S.p.a.
Kirby Eades Gale Baker
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