ENT-kaurene diterpene compound and its derivatives, their...

Details ENT-kaurene diterpene compound and its derivatives, their... ENT-kaurene diterpene compound and its derivatives, their...

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

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