ENT-kaurene diterpene compound and its derivatives, their preparation and their use
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United States of America Patent
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Dec 27, 2011
Grant Date -
Sep 9, 2010
app pub date -
Jan 18, 2007
filing date -
Jan 18, 2006
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Abstract
Novel ent-kaurene diterpene compound and its derivatives, their preparation methods and their use. ent-Kaurene diterpene in the present invention could be used as desired intermediates for preparing asymmetric organic compounds and medicaments, and could be used as antitumor agent, anti-inflammatory agent and immune agent etc. The said ent-kaurene diterpene compound could be condensed with hydroxyl compounds to obtain various acetal derivatives, could be reacted with amine compounds to obtain various amino derivatives, and could be reacted with acyl halide or acid anhydride to obtain various acyl derivatives.
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