Nitrogenous compounds and antiviral drugs containing the same

摘要

The present invention provides novel compounds having antiviral activities and antiviral drugs containing the compounds as the active ingredient. The compounds are shown by the following general formula (1), wherein typically A¹ and A² are each guanidine or a group of the general formula (ia); A³ is a mono- or poly-cyclic heteroaromatic ring containing 1 or 2 heteroatoms; B¹ is a single bond or alkylene group; R¹ is hydrogen or alkyl group; W is an alkylene having 2-3 carbons, a cycloalkylene having 5-10 carbons, aromatic ring having 6-10 carbons, or a heteroaromatic ring having 5-10 carbons; y is C(-O)-; x is -C(-O)-NH-; n¹ is an integer of 1-2; n² is an integer of 2-3; D is a substituent selected from among various groups