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:
Nov. 27, 1984
Filed:
Apr. 30, 1982
Applicant:
Inventors:
Kiyoaki Katano, Yokohama, JP;
Kunio Atsumi, Yokohama, JP;
Fumio Kai, Fujisawa, JP;
Ken Nishihata, Yokohama, JP;
Eiichi Akita, Yokohama, JP;
Assignee:
Meiji Seika Kaisha Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
544021 ; 424246 ; 544 26 ;
Abstract
Disclosed is a novel cephem compound represented by the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and n are as defined in the specification, which is a useful intermediate for synthesizing various cephalosporin antibiotics having a methoxy group at the 7.alpha.-position thereof. Also disclosed is a process for preparing the same.