Antiviral c-nucleoside derivatives
AssigneeNippon Shinyaku Co., Ltd.
InventorsTadaaki Ohgi, Junichi Yano
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Abstract
The present invention is composed of a nucleoside derivative of the following general formula I!: ##STR1## (wherein B represents adenin-9-ylmethyl, guanin-9-ylmethyl, hypoxanthin-9-ylmethyl, thymin-1-ylmethyl, uracil-1-ylmethyl, or cytosin-1-ylmethyl; X and Y may be the same or different and each represents hydrogen or hydroxy, exclusive of the case in which X is hydrogen and Y is hydroxy). The compound of the present invention is useful as an antiviral agent or an antimalignant-tumoral agent.
Claims2
A nucleoside derivative of the following general formula I!:
- ##STR9## wherein B represents adenin-9-ylmethyl, guanin-9-ylmethyl, hypoxanthin-9-ylmethyl, thymin-1-ylmethyl, uracil-1-ylmethyl, or cytosin-1-ylmethyl;
- X and Y may be the same or different and each represents hydrogen or hydroxy, exclusive of the case in which X is hydrogen and Y is hydroxy.
A nucleoside derivative of the following general formula IIIc!:
- ##STR10## whrein B.sup.3 represents guanin-9-ylmethyl or thymin-1-ylmethyl.
Dependencies are inferred from the claim text.