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.

Date of Patent:
Jul. 29, 2014

Filed:

Sep. 21, 2011
Applicants:

Liang-rern Kung, Taichung, TW;

Shih-sheng Chang, Taichung, TW;

Tung-shen Fang, Taichung, TW;

Shu-fen Lin, Changhua County, TW;

Cheng-chang Chang, Taichung, TW;

Chia-hui Chen, Miaoli County, TW;

Yi-ting Hung, Tainan, TW;

Ming-ching Cheng, Taichung, TW;

Inventors:

Liang-Rern Kung, Taichung, TW;

Shih-Sheng Chang, Taichung, TW;

Tung-Shen Fang, Taichung, TW;

Shu-Fen Lin, Changhua County, TW;

Cheng-Chang Chang, Taichung, TW;

Chia-Hui Chen, Miaoli County, TW;

Yi-Ting Hung, Tainan, TW;

Ming-Ching Cheng, Taichung, TW;

Assignee:

Yung Shin Pharm. Ind. Co., Ltd., Tachia Taichung, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 305/00 (2006.01); C07D 305/06 (2006.01); C07D 305/14 (2006.01);
U.S. Cl.
CPC ...
C07D 305/14 (2013.01); C07D 305/06 (2013.01);
Abstract

The present invention relates to a process of preparing a taxoid (X) by reacting a protected baccatin derivative (B) with a β-lactam (C) in the presence of one or more Lewis acids and a base agent. The present invention also relates to a process of preparing the protected baccatin derivative (B) from a baccatin derivative (A) comprising a protection reaction catalyzed by one or more Lewis acids with an optional base agent.


Find Patent Forward Citations

Kung, Liang-Rern. (2014). Process for preparing taxoids from baccatin derivatives using lewis acid catalyst (U.S. Patent No. 8791279). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8791279

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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