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. 31, 1982
Filed:
Jul. 22, 1980
Applicant:
Inventors:
Junki Katsube, Osaka, JP;
Hiromi Shimomura, Hyogo, JP;
Shun Inokuma, Osaka, JP;
Akihiko Sugie, Hyogo, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
424275 ; 549 43 ; 549 46 ; 549 26 ; 549 27 ; 549 12 ; 424285 ; 424283 ; 549263 ; 549281 ; 549349 ; 549386 ; 549459 ;
Abstract
A compound of the formula: ##STR1## wherein A.sub.1 is a single bond or a C.sub.1 -C.sub.5 alkylene group bonding at the 2-, 2'- or 3-position, A.sub.2 is a C.sub.1 -C.sub.3 alkylene group, A.sub.3 is a C.sub.1 -C.sub.4 alkylene group, X is --O-- or --SO.sub.n -- and B is a carboxy group, a C.sub.2 -C.sub.5 alkoxycarbonyl group, a cyano group, an amino group of the formula: ##STR2## or a carbamoyl group of the formula: ##STR3## which is useful as an antiviral agent with no side effect.