Synthesis and Conformational Analysis of 1-[2,4-Dideoxy-4-<i>C</i>-hydroxymethyl-α-<scp>l</scp>-lyxopyranosyl]thymine
作者:Veerle Vanheusden、Roger Busson、Piet Herdewijn、Serge Van Calenbergh
DOI:10.1021/jo040130g
日期:2004.6.1
synthesis of 4 involves the stereoselective introduction of the hydroxymethyl group onto the C-4 carbon of the pyranose sugar. Attempts to achieve this via hydroboration/oxidation of a C-4‘-exocyclic vinylic intermediate selectively yielded the undesired α-directed hydroxymethyl group. Therefore, we envisaged another approach in which the C-4substituent was introduced upon treatment of 2,3-O-isop