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:
Jun. 25, 1991
Filed:
Jan. 05, 1990
Applicant:
Inventors:
Takao Takaya, Kawanishi, JP;
Hisashi Takasugi, Osaka, JP;
Takashi Masugi, Ikeda, JP;
Hideaki Yamanaka, Hirakata, JP;
Kohji Kawabata, Osaka, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514202 ; 540222 ; 540221 ; 540227 ; 514206 ;
Abstract
A compound of the formula ##STR1## in which R.sup.1 is a group of the formula: ##STR2## wherein R.sup.4 is lower alkyl and R.sup.5 is amino or a protected amino group, R.sup.2 lower alkoxymethyl, lower alkylthiomethyl or lower alkenylthiomethyl, R.sup.3 is carboxy or a protected carboxy group, and A is lower alkylene which may have a substituent selected from the groups consisting of amino, a protected amino group, hydroxy, oxo and a group of the formula: