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A convenient and economical synthesis of 9-(2-hydroxyethoxymethyl)guanine (1, acyclovir, Zovirax, or acyclic guanosine : an antiherpetic agent)from guanine was developed via N2, O-diacetylacyclovir. Two closely related compounds, N2-acetylacyclovir (7) and O-acetylacyclovir (8), were also prepared by selective deacetylation.
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Matsumoto et al. (1988) studied this question.
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