Abstract:
3-O-( Alpha -L-mycarosyl)-8-hydroxyerythronolide B is useful as an antipyretic agent. The compound is prepared by the fermentation of 8-hydroxyerythronolide B with Streptomyces erythreus NRRL 3887 in a suitable nutrient media.
Abstract:
Covers a 4''''-deoxy-4''''-oxoerythromycin compounds and derivatives thereof which are useful as antibiotics having a formula selected from the group consisting of:
WHERE R is -CH2SR3, R2 is hydrogen or loweralkyl, R3 is loweralkyl, and R1 is hydrogen or loweralkanoyl;
WHERE R1 and R2 are as before defined;
WHERE R is hydrogen or CH3CO;
where R1 is hydrogen or RCO, R is loweralkyl, R2 is hydrogen, CH3CO or RCO where R is loweralkyl; and
WHERE R3 is hydrogen or RCO where R is loweralkyl.