C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 17/00 (2006.01) A61K 31/70 (2006.01) C07H 17/08 (2006.01)
Patent
CA 2256017
The present invention relates to .beta.,.beta.-disubstituted derivatives of 9- deoxo-9a-N- ethenyl-9a-aza-9a-homoerythromycin A, new semisynthetic antibiotics of macrolide class of the general formula (I) (See formula I) wherein R1 and R2 are mutually the same or different and represent nitrile, carboxy group of the formula COOR3, wherein R3 represents C1-C4 alkyl group, or keto group of the formula COR4, wherein R4 represents C1-C4 alkyl group, to their pharmaceutically acceptable addition salts with inorganic or organic acids, to a process for the preparation thereof, to a process for the preparation of pharmaceutical compositions, as well as to the use of the obtained pharmaceutical compositions in the treatment of bacterial infections.
Kelneric Zeljko
Kobrehel Gabrijela
Kujundzic Nedjeljko
Lazarevski Gorjana
Pavlovic Dina
Borden Ladner Gervais Llp
Dioni Cko Drustvo Pliva Farmaceutska Kemijska Prehrambena I. Kozmeticka Industrija
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