Modifications of mycinose and 3-O-demethylmycinose in tylosin-ty

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

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536 71, A61K 3170, C07H 1708

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active

049201034

ABSTRACT:
New 4'"-O-modified-20-modified tylosin and 4"-O-modified-20-modified-desmycosin and 4'-deoxydesmycosin derivatives of formula 1 have significant oral antibacterial activity. Compositions containing and methods of using these compounds are also provided.

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patent: 4421911 (1983-12-01), Fujiwara et al.
patent: 4436729 (1984-03-01), Ganguly et al.
patent: 4443436 (1984-04-01), Kirst et al.
patent: 4652638 (1987-03-01), Fujiwara et al.
H. A. Kirst, et al., "Structure-Activity Studies Among 16-Membered Macrolide Antibiotics Related to Tylosin", J. Antibiotics 35 (12), 1675-1682 (1982).
K. Kiyoshima et al., "Preparation of Antibacterial 4"'-Deoxy-4"'-Halo-and 4"'-Deoxytylosin Derivatives," Chem. Abstr. 107: 176412c (1987), Abstracting Japanese Patent Application JP 62,111,995.
Nagel et al., "Selective Cleavage of the Myucinose Sugar from the Macrolide Antibiotic Tylosin": a Unique Glycoside Scission, J. Org. Chem. 44 (12) 2050-2052 (1979).

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