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:
Aug. 20, 1996
Filed:
Jun. 17, 1994
Yasuo Ito, Katsuyama, JP;
Hideo Kato, Fukui, JP;
Singo Yasuda, Katsuyama, JP;
Noriyuki Kado, Fukui, JP;
Toshihiko Yoshida, Kamishii-mura, JP;
Yoichi Yamamoto, Nanao, JP;
Horuriku Seiyaku Co., Ltd., Fujui-ken, JP;
Abstract
A 5-amino-8-methyl-7-pyrrolidinylquinoline-3-carboxylic acid derivative represented by the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group; R.sup.2 is a hydrogen atom, a lower alkyl group, a lower alkanoyl group, a halogenated lower alkanoyl group or a residue of carboxylic acid ester; R.sup.3 is a hydrogen atom or a lower alkyl group; R.sup.4, R.sup.5 or R.sup.6 are each independently a hydrogen atom or a lower alkyl group; or two of R.sup.4, R.sup.5 and R.sup.6 may be taken together to form a --(CH.sub.2).sub.n -group wherein n is 1 or 2, a stereoisomer thereof, or a pharmacologically acceptable salt thereof, the process for preparing these compounds, a pharmaceutical composition comprising an effective amount of these compounds and methods for the treatment of infectious diseases through the administration to patients of an effective amount of these compounds, and intermediates of these compounds are disclosed. These compounds are effective as antibacterial agents.