Studies on 3′-quaternary ammonium cephalosporins—III. Synthesis and antibacterial activity of 3′-(3-aminopyrazolium) cephalosporins

…, K Kawabata, Y Inamoto, S Okuda, T Kamimura…

Index: Ohki, Hidenori; Kawabata, Kohji; Inamoto, Yoshiko; Okuda, Shinya; Kamimura, Toshiaki; Sakane, Kazuo Bioorganic and Medicinal Chemistry, 1997 , vol. 5, # 3 p. 557 - 567

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Citation Number: 14

Abstract

The synthesis and in vitro antibacterial activity of 7β-[(Z)-2-(2-aminothiazol-4-yl)-2- methoxyiminoacetamido] cephalosporins bearing N-mono or dialkyl and carbamoyl aminopyrazolium, and five-or six-membered rings fused to the 3-aminopyrazolium methyl groups at the 3-position, are described. Aminopyrazolium methyl cephalosporins (23e, f, i), with fused saturated and unsaturated rings were especially effective against ...