Simple entry into isonucleosides: synthesis of 6-amino-9-[(3S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl]purine
作者:Hari Babu Mereyala、Sreeman Kumar Mamidyala
DOI:10.1016/j.tetlet.2004.02.021
日期:2004.3
A simple and efficient method for the preparation of isonucleoside 7 is described. The preparation of 1,4-anhydroxylitol 4, a key intermediate, is described by intramolecular cyclization of (2S,3R,4R)-3,5-dibenzyloxypentan-1,2,4-triol 3 using diethyl carbonate and NaH. (C) 2004 Published by Elsevier Ltd.