Compounds exhibiting antiviral activity and / or inhibition of
viral replication against viruses, particularly those belonging to the
picornavirus-like supercluster, including
coronavirus having a formula: (I) where X comprises a cyclic
moiety, R2 is a branched or unbranched
alkyl, cycloalkyl,
aryl, arylalkyl, alkenyl, alkynyl,
amino acid side chain, bicyclic or
tricyclic side chain, combinations, and substituted forms thereof, and Z is selected from the group consisting of C1-C6 hydroxyalkyl, aldehydes, alpha-ketoamides, and
bisulfite salts, and in particular —CH2OH, —CHO, —CH(0H)S03−Na+, and -[0(C=0)Rw]S03−Na+.