Preparation of fused polycyclic alkaloids by ring closure of azomethine ylides, novel compounds thereof and their use as chemotherapeutic agents
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United States of America Patent
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Jul 7, 2009
Grant Date -
Jul 14, 2005
app pub date -
Mar 7, 2005
filing date -
May 2, 1997
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Expired
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Abstract
A method for the preparation of a compound of general Formula:or pharmaceutically acceptable derivatives and salts, racemates, isomers and/or tautomers thereof comprising cyclizing an azomethine ylide of general Formula:
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