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. 24, 1982
Filed:
Aug. 07, 1980
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
4242 / ; 548337 ; 2602399 ;
Abstract
There are provided compounds of the formula: ##STR1## wherein R is an alkyl sulfonyl group or a benzenesulfonyl group which may be substituted with a lower alkyl group, a lower alkoxy group, a nitro group or a halogen atom, and a process producing them, useful as antitumor agents and immunosuppressants.