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. 13, 2014
Filed:
Feb. 24, 2012
Applicants:
Jyhhsiung Liao, Hsinchu, TW;
Lunghuang Kuo, Tainan, TW;
Inventors:
JyhHsiung Liao, Hsinchu, TW;
LungHuang Kuo, Tainan, TW;
Assignee:
ScinoPharm Singapore PTE, Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 229/22 (2006.01);
U.S. Cl.
CPC ...
C07C 229/22 (2013.01);
Abstract
The present invention provides an efficient and scalable process to prepare the compound of formula 4 by reduction of the corresponding α-acyloxy sulfides.