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. 01, 1989
Filed:
Mar. 25, 1988
Applicant:
Inventors:
Kunioki Kato, Akashi, JP;
Masao Kawamura, Akashi, JP;
Hiroshi Goda, Himeji, JP;
Kiyoshi Sawada, Kako, JP;
Kazuhiro Hamatani, Kakogawa, JP;
Assignee:
Seitetsu Kagaku Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562 46 ; 564 88 ;
Abstract
Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R.sup.1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom, bromine atom or iodine atom), characterized by halogenating a 5-acetyl-2-alkylbenzenesulfonamide represented by the general formula (2), ##STR2## (wherein R.sup.1 is the same as defined above) in a lower alcohol represented by the general formula (3),