C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/106.1
C07D 501/36 (2006.01)
Patent
CA 1117522
CEPHALOSPORIN ESTERS ABSTRACT OF THE DISCLOSURE Novel cephalosporin derivatives, namely pivaloyloxymethyl 7.beta.-[2-aminothiazol-4-yl)acetamido]- 3-[[[1-(2-dimethylaminoethyl)-1H-tetrazol-5-yl]thio] methyl]-ceph-3-em-4-carboxylate and its pharmaceutically acceptable acid addition salts are found to be useful as orally administrable antibiotics having broad anti- microbial activities against both gram-positive and gram-negative bacteria.
330021
Kakeya Nobuharu
Yoshimura Yoshinobu
Gowling Lafleur Henderson Llp
Takeda Chemical Industries Ltd.
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