Patent ID: 6872707

Claim:
A halo derivative of 9a-N-(N′-arylcarbamoyl) or 9a-N(N′-arylthiocarbamoyl)-9-deoxo-9a-aza-9a-homoerythromycin A of the general formula (I) wherein R has the meaning of a substituted aryl group of the formula (II) wherein substituents a, b, c, d and e are the same or different and at least one of them has the meaning of halo, a (C 1 -C 6 ) haloalkyl or a (C 1 -C 6 ) haloalkoxy group whereas the remaining ones have the meaning of hydrogen, halo, a (C 1 -C 6 ) alkyl or a (C 1 -C 6 ) alkoxy group, and X has the meaning of oxygen or sulfur or a pharmaceutically acceptable addition salt thereof by inorganic or organic acids.