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:
Apr. 05, 2016
Filed:
Jul. 19, 2012
Applicants:
Shouhua Zhang, Dongguan, CN;
Zhongqing Wang, Dongguan, CN;
Zhonghua Luo, Dongguan, CN;
Inventors:
Assignees:
SUNSHINE LAKE PHARMA CO., LTD., Dongguan, Guangdong, CN;
YICHANG HEC CHANGJIANG PHARMACEUTICAL CO., LTD., Yidu, Hubei, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 257/04 (2006.01); C07D 319/06 (2006.01); C07D 405/12 (2006.01); C07F 7/18 (2006.01); C07B 53/00 (2006.01);
U.S. Cl.
CPC ...
C07D 257/04 (2013.01); C07B 53/00 (2013.01); C07D 319/06 (2013.01); C07D 405/12 (2013.01); C07F 7/1852 (2013.01);
Abstract
The present invention relates to the field of pharmaceutical chemistry, specifically relates to a statin intermediate having formula I and preparation thereof. The advantages of the method used to prepare the chiral sulfone intermediate having formula I are that a fluorophore is introduced at the beginning of the synthesis, and the intermediates are mostly solid, which enables quality control to be easily carried out.