Baccatin derivatives and processes for preparing the same
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are 13.alpha.-(3-substituted-2-hydroxypropionyloxy)baccatin compounds represented by the formula: ##STR1## wherein R.sup.1 represents a lower alkanoyl group or a protective group for hydroxy group; R.sup.2 represents a protective group for hydroxy group; R.sup.3 represents a lower alkanoyl group; R.sup.4 represents a substituted or unsubstituted benzoyl group; X represents a substituted or unsubstituted aryl group, a substituted or unsubstituted lower alkenyl group, or a substituted or unsubstituted lower alkynyl group; and A' represents a halogen atom, azido group or amino group, and processes for preparing the same.
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