Patent ID: 6071886
Filing Date: 2000-06-06
Classification: A61P,C07H

Abstract:
A .beta.,.beta.-disubstituted derivative of 9-deoxo-9a-N-ethenyl-9a-aza-9a-homoerythromycin A of the formula (I) ##STR6## wherein R.sup.1 and R.sup.2 are the same or different and represent nitrile, carboxy group of the formula COOR.sup.3, wherein R.sup.3 represents C.sub.1 -C.sub.4 alkyl group, or keto group of the formula COR.sup.4, wherein R.sup.4 represents C.sub.1 -C.sub.4 alkyl group, or its pharmaceutically acceptable addition salt with an inorganic or organic acid.