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METHOD FOR PREPARING 20-DEOXO-23-DE(MYCINOSYLOXY)TYLOSIN ANTIBIOTICS,THE NOVEL 20-DEOXO-23-DE(MYCINOSLYLOXY)TYLOSIN DERIVATIVES,THEIR USE AS INTERMEDIATES AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
METHOD FOR PREPARING 20-DEOXO-23-DE(MYCINOSYLOXY)TYLOSIN ANTIBIOTICS,THE NOVEL 20-DEOXO-23-DE(MYCINOSLYLOXY)TYLOSIN DERIVATIVES,THEIR USE AS INTERMEDIATES AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
20-Dihydro-20-deoxy-23-de(mycinosyloxy)tylosin (20-deoxo-DMOT), specified 2'-acyl ester derivatives, and their acid addition salts are useful intermediates and antibacterial agents. Methods of preparing 20-deoxo-DMOT and 5-O-mycaminosyltylactone by fermentation of Streptomyces fradiae ATCC 31733 are included.
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