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 A
1
and A
2
are each guanidine or a group of the general fomula (ia); A
3
is a mono- or poly-cyclic heteroaromatic ring contining 1 or 2 heteroatoms; B
1
is a single bond or alkylene group; R
1
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—; n
1
is an integer of 1-2; n
2
is an integer of 2-3; D is a substituent selected from among various groups.
1
本发明提供了具有抗病毒活性的新化合物和包含该化合物作为活性成分的抗病毒药物。该化合物由以下通式(1)表示,其中通常A1和A2分别是
鸟氨酸或通式(ia)的基团;A3是含有1或2个杂原子的单环或多环杂芳基环;B1是单键或烷基链;R1是氢或烷基基团;W是具有2-3个碳的烷基,具有5-10个碳的环烷基,具有6-10个碳的芳环基或具有5-10个碳的杂芳基环;y是C(═O)-;x是-C(═O)-NH-;n1是1-2的整数;n2是2-3的整数;D是从各种基团中选择的取代基。