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:
May. 14, 1991
Filed:
Aug. 03, 1989
Applicant:
Inventors:
Masahiro Kise, Nakakyo, JP;
Masakuni Ozaki, Joyo, JP;
Kenji Kazuno, Shiga, JP;
Yoshifumi Tomii, Katano, JP;
Jun Segawa, Minami, JP;
Shoji Yasufuki, Nishikyo, JP;
Assignee:
Nippon Shinyaku Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514210 ; 5142332 ; 514254 ; 514267 ; 540116 ; 540250 ;
Abstract
Compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof, R.sup.1 is hydrogen, alkyl or aryl unsubstituted or substituted by one or two halo moieties, R.sup.3 is hydrogen or alkyl, A is N, W is O or NR.sup.3 wherein R.sup.3 is hydrogen, alkyl, acyl, haloacyl, 2alkoxycarbonyl or (5-methyl-2-oxo-1,3-dioxolen-4-yl) methyl are useful for treating bacterial infections in humans and animals.