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:
Mar. 10, 1987
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Takayoshi Yamauchi, Sakai, JP;
Kaneaki Hattori, Sakai, JP;
Shun-ichi Ikeda, Sakai, JP;
Kenji Nakao, Sakai, JP;
Kentaro Tamaki, Sakai, JP;
Assignee:
Kyowa Hakko Kogyo Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 56 ; 560 51 ; 560 55 ; 560102 ; 560105 ; 548469 ; 549 70 ; 549469 ; 562459 ; 562478 ; 562492 ;
Abstract
Compounds having anti-inflammatory and analgesic activity of the formula ##STR1## are produced from compounds having the formula ##STR2## by rearrangement in the presence of a base or an amide and (1) X S O X.sup.1 or X S O.sub.2 X.sup.1 where X and X.sup.1 are halogen or trifluoromethyl or (2) sulfur dioxide and halogen.