Patent ID: 6964968

Claim:
A method for inhibiting virus replication in cells infected with a virus selected from the group consisting of herpes simplex virus, varicella zoster virus, respiratory syncytial virus and cytomegalovirus in a host comprising administering a therapeutically effective amount of a compound having the formula I: wherein Y is N or C—X; X is selected from the group consisting of H, halogen, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, CN, CF 3 , N 3 , NO 2 , C 6-10 aryl, C 6-10 heteroaryl and CORb; Rb is selected from the group consisting of H, OH, SH, C 1-6 alkyl, C 1-6 aminoalkyl, C 1-6 alkoxy and C 1-6 thioalkyl; Ra is selected from the group consisting of H, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 6-10 aryl, carbonyl substituted with a C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 6-10 aryl, and Rc in each case is independently selected from the group comprising H, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl and an hydroxy protecting group; R1 is selected is selected from the group consisting of H, a C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 6-10 aryl, and carbonyl substituted with a C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 6-10 aryl, wherein said compound is in the form of a single enantiomer or a mixture of enantiomers thereof.