Patent ID: 6153589
Filing Date: 2000-11-28
Classification: A61K,C07D,C07K

Abstract:
An optical isomer of an anti-viral compound of the formula: ##STR7## wherein R is selected from --CO.sub.2 R.sup.2, --CONR.sup.3 R.sup.4 or COR.sup.5, wherein R.sup.3 and R.sup.4 are each independently hydrogen or a lower alkyl group, R.sup.5 is a peptide having at least two amino acid residues; andwherein R.sup.1 is aralkyl with the alkyl group having 1-6 carbon atoms, aralkyl (lower alkyl) ether with the alkyl group having 1 to 4 carbon atoms or C.sub.5 -C.sub.13 alkyl (lower alkyl) ether.