Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Reexamination Certificate
2007-01-18
2011-12-27
McIntosh, III, Traviss C (Department: 1623)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
C536S018100, C549S382000
Reexamination Certificate
active
08084430
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.
REFERENCES:
patent: 6894073 (2005-05-01), Lee et al.
patent: 1255502 (2000-06-01), None
Jianye Zhang
Ke Yu
Liu Hongmin
Liu Zhengzhou
Qu Hongli
Furen Pharmaceutical
McIntosh, III Traviss C
Merchant & Gould P.C.
Zhengzhou University
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