Chiral derivatives of Garcinia acid bearing lactone ring moiety and process for preparing the same
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United States of America Patent
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Dec 3, 2002
Grant Date -
Sep 26, 2002
app pub date -
Sep 5, 2001
filing date -
Oct 3, 2000
priority date (Note) -
Expired
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Abstract
The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, ##STR1## wherein: R.sub.1 =R.sub.3 =alkali salt of carboxyl acid, or acid chloride or lower esters or part of N-substituted cyclic imides. R.sub.2 =hydroxyl or protected hydroxyl group and a process for preparing the same.
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