Esters of baccatin III and 10-deacetylbaccatin III
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United States of America Patent
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Nov 2, 1999
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N/A
app pub date -
Oct 31, 1997
filing date -
Oct 5, 1992
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Abstract
A compound of the formula I: ##STR1## wherein Ar represents an aryl radical; R.sub.1 represents a hydrogen atom, an aroyl radical, or a radical of the formula R.sub.4 --O--CO; R.sub.2 and R.sub.3 together form a 5- or 6-membered saturated heterocycle; G.sub.1 represents an acetyl radical or a protecting group of the hydroxyl functional group; and G.sub.2 represents a protecting group of the hydroxyl functional group.
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