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:
May. 03, 2011
Filed:
Apr. 30, 2008
Applicants:
Nai-hsuan Hsu, Taipei, TW;
Chu-yi Pang, Taipei, TW;
Chien-jen Wu, Taipei, TW;
Chi-jen Huang, Taipei, TW;
Chia-jung Hsu, Taipei, TW;
Peimin Lee, Taipei, TW;
Inventors:
Nai-Hsuan Hsu, Taipei, TW;
Chu-Yi Pang, Taipei, TW;
Chien-Jen Wu, Taipei, TW;
Chi-Jen Huang, Taipei, TW;
Chia-Jung Hsu, Taipei, TW;
Peimin Lee, Taipei, TW;
Assignee:
Corum Inc., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07J 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for synthesis of androstane 17-β carbothioic acid is provided. The process includes mixing an androstane 17-β carboxylic acid and a coupling reagent, and adding an alkanethioic acid to form an androstane 17-β carbothioic acid, wherein the androstane 17-β carbothioic acid has the formula (I):