(8S)-8-fluoroerythromycin derivatives, the process for the preparation thereof and the pharmaceutical compositions containing them
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United States of America Patent
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May 13, 1986
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N/A
app pub date -
Feb 28, 1985
filing date -
Mar 8, 1984
priority date (Note) -
Expired
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Abstract
(8S)-8-fluoroerythromycin derivatives of formula ##STR1## wherein R is an optionally substituted alkyl, alkenyl or phenyl group R' is hydrogen or methyl and R' is hydrogen or hydroxy, may be prepared by fluorination of the corresponding 8,9-anhydroerythromycin 6,9-hemiketals with perchloryl fluoride in the presence of a compound ROH in strictly anhydrous conditions. The new compounds as well as their pharmaceutically acceptable esters, salts and salt-esters may be employed as the active ingredients of pharmaceutical compositions for antibacterial use suitable for oral administration.
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