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:
Jan. 29, 1985
Filed:
Apr. 22, 1983
Applicant:
Inventors:
Ronald G Micetich, Sherwood Park, CA;
Shigeru Yamabe, Kobe, JP;
Shoji Hirata, Matsudo, JP;
Naobumi Ishida, Tokushima, JP;
Assignee:
Taiho Pharmaceutical Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
2602 / ; 424270 ; 2602 / ; 2602 / ;
Abstract
This invention provides a penicillin derivative of the formula and a salt thereof ##STR1## wherein X represents chlorine atom or bromine atom and R represents hydrogen atom or penicillin carboxy-protecting radical, and a process for preparing the derivative of the formula (I) and a salt thereof by reacting a compound of the formula ##STR2## wherein R is as defined above with a chlorinating reagent or brominating reagent and, when required, forming a salt thereof.