USE OF PYRIDO`2,3-D PYRIMIDIN DERIVATIVES FOR THE TREATMENT OF HUMAN CYTOMEGALOVIRUS INFECTIONS

摘要

The present invention provides a method for treating HCMV in a human requiring said treatment, which comprises administering to said human an effective amount of a compound of formula I: formula (I); where: Y is CH=CH, O, or S; R<3> is hydrogen, chloro, or fluoro; R<4> is hydroxy, a carboxy protecting group, or NHC*H(COOH)CH2CH2COOH where the configuration about the carbon atom designated * is S; and R<6> is hydrogen or an amino protecting group; and R<7> is hydroxy or amino; or a salt or solvate thereof.