1-<5'-O-<(4-Methoxyphenyl)diphenylmethyl>-2'-desoxy-β-D-ribofuranosyl>-6,7-diphenyllumazylyl(3'-5')-1-(2'-desoxy-β-D-ribofuranosyl)-6,7-diphenyllumazin-(2-cyanethyl)ester 在
溶剂黄146 作用下,
以84%的产率得到2-cyanoethyl ((2R,3S,5R)-5-(2,4-dioxo-6,7-diphenyl-3,4-dihydropteridin-1(2H)-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl) (((2R,3S,5R)-5-(2,4-dioxo-6,7-diphenyl-3,4-dihydropteridin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl) phosphate