The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2011
Filed:
Jan. 18, 2007
Hongmin Liu, Zhengzhou, CN;
Wenchen Zhu, Zhengzhou, CN;
Chenggong Zhu, Zhengzhou, CN;
Qingduan Wang, Zhengzhou, CN;
Yu KE, Zhengzhou, CN;
Zhengzhou Liu, Zhengzhou, CN;
Xuebin Yan, Zhengzhou, CN;
Zhang Jianye, Zhengzhou, CN;
Hongli Qu, Zhengzhou, CN;
Hongmin Liu, Zhengzhou, CN;
Wenchen Zhu, Zhengzhou, CN;
Chenggong Zhu, Zhengzhou, CN;
Qingduan Wang, Zhengzhou, CN;
Yu Ke, Zhengzhou, CN;
Zhengzhou Liu, Zhengzhou, CN;
Xuebin Yan, Zhengzhou, CN;
Zhang Jianye, Zhengzhou, CN;
Hongli Qu, Zhengzhou, CN;
Zhengzhou University, Henan, CN;
Furen Pharmaceutical, Henan, CN;
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.