Process for the preparation of 4, 10 -diacetoxy-2 -benzoyloxy-5 , 20-epoxy-1, 13 -dihydroxy-9-oxo-19-norcyclopropa [g] tax-11-ene

Process for the preparation of 4-acetoxy-2 -benzoyloxy-5 , 20-epoxy-1,13 -dihydroxy-9-oxo-19-norcyclopropa[g]tax-11-ene from 4-acetoxy-2 -benzoyloxy-5 ,20-epoxy-1,13 -dihydroxy-9-oxo-19-7 -(trifluoromethylsulfonyloxy)tax-11-ene by reaction with a molecular sieve in sulfolane.

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Bibliographic Details
Main Authors AMOURET, GUY, DIDIER, ERIC
Format Patent
LanguageChinese
English
Published 01.02.2005
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Process for the preparation of 4-acetoxy-2 -benzoyloxy-5 , 20-epoxy-1,13 -dihydroxy-9-oxo-19-norcyclopropa[g]tax-11-ene from 4-acetoxy-2 -benzoyloxy-5 ,20-epoxy-1,13 -dihydroxy-9-oxo-19-7 -(trifluoromethylsulfonyloxy)tax-11-ene by reaction with a molecular sieve in sulfolane.
Bibliography:Application Number: TW200493110164