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. 01, 1988
Filed:
Jul. 08, 1986
Applicant:
Inventors:
Takashi Kamiya, Suita, JP;
Kunihiko Tanaka, Toyonaka, JP;
Tsutomu Teraji, Osaka, JP;
Yoshiharu Nakai, Ohtsu, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546280 ; 548194 ; 548195 ; 548119 ;
Abstract
The present invention involves certain thiazol-4-yl-acetic acid compounds which are valuable intermediates for the preparation of cephem antibiotics. Said intermediates have the following structure: ##STR1## wherein R.sup.1 is an amino or a protected amino group; R.sup.2 is a group of the formula 13 CONH--R.sup.5 or --NHCO--R.sup.5 wherein R.sup.5 is pyridyl, thiazolyl or an isoxazolyl ring having lower alkyl and halogen substituted phenyl substituents, and A is lower alkylene, or a non-toxic salt thereof.