9a-n-(n'-carbamoyl) and 9a-n-(n' - thiocarbamoyl)...

Details 9a-n-(n'-carbamoyl) and 9a-n-(n' - thiocarbamoyl)... 9a-n-(n'-carbamoyl) and 9a-n-(n' - thiocarbamoyl)...

C - Chemistry, Metallurgy

07

H

C07H 17/00 (2006.01) A61K 31/70 (2006.01) C07H 17/08 (2006.01)

Patent

CA 2137395

16 9a-N-(N'-carbamoyl) and 9a-N-(N'-thiocarbamoyl) derivatives of 9-deoxo-9a-aza-9a-homoerythromycin A The invention relates to 9a-N-(N'-carbamoyl) and 9a-N-(N'-thiocarbamoyl) derivatives of 9-deoxo-9a-aza-9a-homoerythromycin A, novel semisynthetic macrolide antibiotics of the azalide series, of the formula (I) (see formula I) wherein R represents a C1-C3 alkyl, aryl or aralkyl group and X represents O or S, and pharmaceutically acceptable addition salts thereof with inorganic or organic acids, to the intermediates and processes for the preparation thereof, to a process for the preparation of pharmaceutical compositions as well as to the use of pharmaceutical compositions in the treatment of bacterial infections.

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