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PREPARATION OF 7-TRIALKYLSILYL BACCATIN III FROM 10-DEACETYL BACCATIN III
PREPARATION OF 7-TRIALKYLSILYL BACCATIN III FROM 10-DEACETYL BACCATIN III
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机译:从10-乙酰浆果红素III制备7-三烷基硅浆果红素III。
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PCT No. PCT/FR95/00419 Sec. 371 Date Oct. 3, 1996 Sec. 102(e) Date Oct. 3, 1996 PCT Filed Apr. 3, 1995 PCT Pub. No. WO95/26967 PCT Pub. Date Oct. 12, 1995The present invention relates to a novel process for the preparation of 7-trialkylsilylbaccatin III of general formula: IMAGE (I) in which the symbols R, which may be identical or different, represent alkyl radicals containing 1 to 4 carbon atoms which are optionally substituted with a phenyl radical, starting with 10-deacetylbaccatin III of formula: IMAGE (II) In the general formula (I), each of the symbols R preferably represents a straight or branched alkyl radical containing 1 to 4 carbon atoms. Even more particularly, each of the symbols R represents an ethyl radical.
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