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:
Feb. 14, 1995
Filed:
May. 05, 1992
Applicant:
Inventors:
Koichi Kojima, Hiromachi, JP;
Kazuo Koyama, Hiromachi, JP;
Shigeo Amemiya, Hiromachi, JP;
Masayuki Iwata, Hiromachi, JP;
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514202 ; 540222 ;
Abstract
Compounds of formula (I): ##STR1## in which: R.sup.1 is hydrogen or acyl; R.sup.2 is hydrogen or C.sub.1 -C.sub.4 alkoxy; and Ar is phenyl or substituted phenyl and pharmaceutically acceptable salts and esters thereof have valuable antibiotic activity, including against Methicillin-resistant strains of Staphylococcus. The invention also provides a process for preparing the compounds and methods and compositions using them.