| 摘要 |
A process for producing an inosine derivative represented by the following general formula (1), which comprises dithiocarbonylating an inosine derivative represented by the following general formula (3) and reducing the resultant compound with a radical. Thus, the target compound, which is useful as an antiviral agent, can be produced on an industrial scale. (In the general formulae (1) and (3), R1's may be the same or different and each represents optionally substituted benzyl, benzhydryl, or trityl.)
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