Fused pyrimidines. 7. Nucleosides of pyr
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A. Nagarajan; Bernard R. Meltsner; Thomas J. Delia
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Article
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1997
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Journal of Heterocyclic Chemistry
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English
β 474 KB
## Abstract Several nucleoside derivatives of pyrimido[4,5β__d__]pyrimidineβ2,4(1__H__,3__H__)βdione 1 and 2,4{1__H__,3__H__βpteridinedione 2 were prepared. Treating the appropriate silylated nucleobase with 1β__O__βacetylβ2,3,5βtriβ__O__βbenzoylβΞ²βDβribofuraβnose 3 in the presence of trimethylsily