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15-MEMBERED LACTAMS KETOLIDES WITH ANTIBACTERIAL ACTIVITY
15-MEMBERED LACTAMS KETOLIDES WITH ANTIBACTERIAL ACTIVITY
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机译:具有抗菌活性的15种乳酸内酯
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摘要
The present invention relates to the new 15-membered ketoazalides from the class of 6-O-methyl-8a-aza-8a-homo-and 6-O-methyl-9a-aza-9a-homoerythromycin A with the general formula (I) wherein A represents NH group and B at the same time represents C=O group, or A represents C=O group and B at the same time represents NH group, R1 represents OH group, L-cladinosyl group of the formula (II) or together with R2 represents ketone, R2 represents hydrogen or together with R1 represents ketone, R3 represents hydrogen or C1-C4alkanoyl group, to intermediates and a process for their preparation, to their pharmaceutically acceptable addition salts with inorganic or organic acids, to the process for the preparation of pharmaceutical compositions, as well as to the use of pharmaceutical compositions for treating bacterial infections.
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