FOERFARANDE FOER FRAMSTAELLNING AV ETT ANTIBIOTIKUM CP-63517, SOM AER 19-DE/(TETRAHYDRO-5-METOXI-6-METYL-2H- PYRAN-2-YL)OXI/-15-/(TETRAHYDRO-5-METOXI-6-METYL-2H-PYRAN-2-YL)OXI/- DIANEMYCIN OCH DESS KATJONSALT.

摘要

A new acidic polycyclic ether antibiotic, CP-63,517, having the formula: (I) and cationic salts thereof produced by submerged aerobic propagation of Streptomyces endus subsp. aureus, ATCC-39574, a new strain of microorganism isolated from a soil sample in Japan, a process for producing this antibiotic and methods for its use to improve feed utilization, promote growth of cattle and swine and to control coccidiosis.