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. 01, 1990
Filed:
Jun. 09, 1988
Applicant:
Inventors:
Keiji Hemmi, Tsukuba, JP;
Masahiro Neya, Tsukuba, JP;
Hiroshi Marusawa, Tsukuba, JP;
Keisuke Imai, Sapporo, JP;
Natsuko Kayakiri, Tsukuba, JP;
Masashi Hashimoto, Tsukuba, JP;
Assignee:
Fujisawa Pharmaceutical Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
5142358 ; 514400 ; 514 19 ; 514212 ; 5142278 ; 514249 ; 514252 ; 514255 ; 514307 ; 514326 ; 514365 ; 514372 ; 514374 ; 514-3 ; 544 584 ; 544139 ; 544370 ; 546146 ; 546210 ; 546165 ; 546278 ; 548336 ; 548344 ;
Abstract
A compound of the formula: ##STR1## wherein R.sup.1 is lower alkyl optionally substituted with a substituent selected from the group consisting of acyl, hydroxy, lower alkoxy, aryl, lower alkylthio and a group of the formula: ##STR2## in which R.sup.5 is hydrogen or acyl and R.sup.6 is hydrogen or lower alkyl; aryl; or amino optionally substituted with substituent(s) selected from the group consisting of lower alkyl and acyl; and