Podophyllotoxin derivatives
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United States of America Patent
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Oct 20, 2009
Grant Date -
May 15, 2008
app pub date -
Jan 18, 2008
filing date -
Jul 1, 2003
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Abstract
4-O esters of podophyllotoxin and 4′-demethylepipodophyllotoxin are provided. The compounds are 4-O esters of an alkanoic acid or substituted alkanoic acid and podophyllotoxin and 4′-demethylepipodophyllotoxin. The compounds are useful for treating cancer.
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