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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.:

US 4179557 B1

PDFFull Text
Date of Patent:
Dec. 18, 1979

Filed:

Dec. 26, 1973

Acylation of 7-aminocephalosporanic acids

Applicant:
Inventors:

Toshiyasu Ishimaru, Suita, JP;

Yasutsugu Shimonishi, Nishinomiya, JP;

Hisayuki Sakurai, Osaka, JP;

Minoru Hatanaka, Takatsuki, JP;

Assignee:

President of Osaka University, , JP;

Attorney:

Craig and Antonelli

Primary Examiner:

Paul M Coughlan, Jr

Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544 28 ; 2602391 ; 544 29 ; 544 30 ;
Abstract

6-Aminoacylamidopenicillanic acid or 7-aminoacylamidocephalosporanic acids are produced in high yields by acylating 6-aminopenicillanic acid or 7-aminocephalosporanic acid with an amino acid, or a functional equivalent thereof, having its amino group protected with N,N-disubstituted .beta.-keto acid amide, and then removing the protecting group from the resulting protected 6-aminoacylamidopenicillanic acid or protected 7-aminoacylamidocephalosporanic acid by hydrolysis.

Find Patent Forward Citations

Ishimaru, Toshiyasu. (1979). Acylation of 7-aminocephalosporanic acids (U.S. Patent No. 4179557). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4179557

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