Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1994-06-28
1996-03-12
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
560231, 560249, 560259, 554 77, 554124, 554229, C07F 708, C07F 718
Patent
active
054987385
ABSTRACT:
The present invention a process for the preparation of a compound of the formula (X) useful as precursor for the A-ring in taxanes ##STR1## wherein R' is an ##STR2## in which R" is a linear, branched or cyclic alkyl group of 1 to 10 carbon atoms. The invention further relates to the novel compound (X) and to novel intermediates in said process.
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Karvinen Esko
Koskinen Ari
Kubovcik Ronald J.
Shaver Paul F.
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