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:
Jan. 31, 2017
Filed:
Jun. 26, 2014
Applicant:
Scinopharm Taiwan, Ltd., Tainan, TW;
Inventors:
Lung-Huang Kuo, Tainan, TW;
Hsiao-Ping Fang, Tainan, TW;
Ming-Feng Wu, Tainan, TW;
Yu-Sheng Chang, Tainan, TW;
Assignee:
ScinoPharm Taiwan, Ltd., Shan-Hua, Tainan, TW;
Primary Examiner:
Int. Cl.
CPC ...
C07J 43/00 (2006.01); C07J 31/00 (2006.01); C07J 1/00 (2006.01);
U.S. Cl.
CPC ...
C07J 43/003 (2013.01); C07J 1/0011 (2013.01); C07J 31/006 (2013.01); Y02P 20/55 (2015.11);
Abstract
The present invention provides intermediates for preparing abiraterone, and processes for preparing abiraterone and intermediates thereof. The intermediates include a compound of formula (IV): wherein R represents a hydroxy-protecting group.