The present invention relates to 11,12 &ggr; lactone ketolides of formula (I) wherein R, R
1
, R
2
, R
3
are as defined herein and pharmaceutically acceptable salts and solvates thereof, to process for their preparation and their use in therapy or prophylaxis of systemic or topical bacterial infections in a human or animal body.
The present invention relates to 11,12 γ lactone ketolides of formula (I) wherein R, R
1
, R
2
, R
3
are as defined herein and pharmaceutically acceptable salts and solvates thereof, to process for their preparation and their use in therapy or prophylaxis of systemic or topical bacterial infections in a human or animal body.