Compounds having antibiotic activity, processes for their prepar

Drug – bio-affecting and body treating compositions – Conjugate or complex of monoclonal or polyclonal antibody,... – Conjugated via claimed linking group – bond – chelating agent,...

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536 181, 549332, 424283, C07H 1524, A61K 3171, A61K 3135, C07D31102

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active

044592914

ABSTRACT:
New antibacterial compounds, DC--45--A.sub.1 and DC--45--A.sub.2 are produced by fermentation of a microorganism belonging to the genus Streptomyces. The antibiotics are accumulated in the culture liquor and are isolated therefrom. These compounds are also prepared by acid hydrolysis of known compounds, DC--45--A or DC--45--B.sub.2. DC--45--A.sub.2 is also prepared by acid hydrolysis of DC--45--A.sub.1.

REFERENCES:
patent: 4259476 (1981-03-01), Kende et al.
Ando et al., Synthesis of Mycophenolic Acid B-D Glucuronide and its Antitumor Activity, J. of Antibiotics, vol. XXIII, No. 8.
Raghunathan et al., "Chrysophonol-I-.beta.-Gentiobioside, a New Anthroquinone Glycoside from Cassia tora Linn", Indian Journal of Chemistry, vol. 12, pp. 1251-1253.

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