Abstract
Abstract We report that TBDMS-protected 1-(2-deoxy-D- erythro -pent-1-enofuranosyl)-6-(tributyl-stannyl)uracil, when treated with LDA or LTMP, undergoes an anionic stannyl migration to yield the 2′-stannylated product. Optimization of the reaction conditions has disclosed an efficient entry to compounds variously substituted at the 2′-position. Desilylation of these compounds caused no further elimination, and furnished a hitherto unknown series of nucleoside analogues.
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