SYNTHESIS OF BETULONIC AND BETULINIC ALDEHYDES
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Jun 7, 2006
filing date -
Jun 8, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention provides for methods of selectively converting betulin to betulonic aldehyde. The present invention also provides for methods of selectively converting 3-substituted triterpen-28-ols to the corresponding 3-substituted triterpen-28-carboxaldehydes. Additionally, the present invention provides for methods of preparing betulonic aldehyde, betulonic acid, betulinic acid, and corresponding 3-substituted triterpenes.
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