Organometallic reagents and their use in the synthesis of cardenolides and isocardenolides
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United States of America Patent
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May 25, 1982
Issued Date -
N/A
app pub date -
Oct 1, 1980
filing date -
Oct 1, 1980
priority date (Note) -
Expired
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Abstract
A method for synthesizing a cardenolide or isocardenolide by subjecting an .alpha.,.beta.-unsaturated steroidal 17-ketone to a double bond shift and hydrogenation to produce a (C/D cisoid) ketone which is treated with an organometallic reagent to yield a tertiary alcohol and the acidifying said alcohol to produce said cardenolide or isocardenolide is shown. The invention also relates to organometallic reagents particularly useful in such method.
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