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A process for the preparation of new antibiotic macrolides
A process for the preparation of new antibiotic macrolides
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机译:一种新的抗生素大环内酯类药物的制备方法
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摘要
Erythromycin antibiotics of the formula: …CHEM… and their pharmaceutically acceptable acid addition salts, wherein R is hydrogen, alkanoyl having two or three carbon atoms and ethyl succinyl: R1 and R2 when considered separately are, respectively, hydroxy and hydrogen; R1 and R2 when considered together are an oxo group; R3 and R4 when considered separately are each hydrogen; and R3 and R4 when considered together are @C = O; processes for their preparation, and pharmaceutical compositions containing them.
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