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Studies on cephalosporin antibiotics. IV. Synthesis, antibacterial activity and oral absorption of new 3- (2-substituted-vinylthio) -7 beta-[ (Z) -2- (2-aminothiazol-4-yl) -2- (carboxymethoxyimino) acetamido]cephalosporins

Yokoo, C.; Goi, M.; Onodera, A.; Fukushima, H.; Nagate, T.

Journal of Antibiotics 44(12): 1422-1431

1991

ISSN/ISBN: 0021-8820
PMID: 1778793
DOI: 10.7164/antibiotics.44.1422
Accession: 041458689
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A series of new 7 beta-[(Z)-2-(2-aminothiazol-4-yl)-2-(carboxymethoxyimino)ace tamido] cephalosporins (1) having various substituted-vinylthio groups at the C-3 position of the cephen nucleus was synthesized and evaluated for antibacterial activity and oral absorption in rats in comparison with cefixime. Of these, the cephalosporins (1a and 1c) with a lower alkoxycarbonylvinylthio group (Z-form) at the C-3 position showed a potent antibacterial activity against Gram-negative bacteria, improved activity against Staphylococcus aureus as well as good oral absorption in rats. The structure-activity relationships of 1 are also presented.

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Related References

Yokoo, C.; Goi, M.; Onodera, A.; Fukushima, H.; Nagate, T. 1991: Studies on cephalosporin antibiotics. Iv. Synthesis, antibacterial activity and oral absorption of new 3-(2-substituted-vinylthio)-7.Beta.-((Z)-2-(2-aminothiazol-4-yl)-2-(carboxymethoxyimino)acetamido)cephalosporins The Journal of Antibiotics 44(12): 1422-1431
Yokoo, C.; Goi, M.; Onodera, A.; Murata, M.; Nagate, T.; Watanabe, Y. 1991: Studies on cephalosporin antibiotics. Iii. Synthesis, antibacterial activity and oral absorption of new 3-(substituted-alkylthio)-7.Beta.-((Z)-2-(2-aminothiazol-4-yl)-2-(carboxymethoxyimino)acetamido)cephalosporins The Journal of Antibiotics 44(5): 498-506
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Ochiai, M.; Morimoto, A.; Matsushita, Y.; Kaneko, T.; Kida, M. 1980: Synthesis and structure-activity relationships of 7 beta-[2-(2-aminothiazol-4-yl)acetamido]-cephalosporin derivatives. I. Synthesis and antibacterial activity of 7 beta-[2-alkyl- and 2-hydroxy-2-(2-aminothiazol-4-yl)-acetamido]cephalosporins Journal of Antibiotics 33(9): 1005-1013
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