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:
Dec. 27, 2016
Filed:
Oct. 29, 2013
Applicant:
Shionogi & Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Katsuki Yokoo, Toyonaka, JP;
Shinya Hisakawa, Toyonaka, JP;
Kenji Yamawaki, Toyonaka, JP;
Toshiaki Aoki, Toyonaka, JP;
Yutaka Yokota, Toyonaka, JP;
Masatoshi Takeo, Iwate, JP;
Mikito Asai, Toyonaka, JP;
Assignee:
SHIONOGI & CO., LTD., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 501/16 (2006.01); C07D 501/59 (2006.01);
U.S. Cl.
CPC ...
C07D 501/16 (2013.01); C07D 501/59 (2013.01); C07B 2200/13 (2013.01);
Abstract
The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a salt thereof to give a compound of the formula (II) or a salt thereof wherein each symbol is as defined in the specification.