p. 1203 - 1206
(2007/10/03)(S)-5-(4,4'-dimethoxytrityloxymethyl)-5H-furan-2-one
(5S)-5-(hydroxymethyl)-5H-furan-2-one
4,4'-dimethoxytrityl chloride
tert-butyldimethylsilyl chloride
5'-O-(4,4'-dimethoxytrityl)-3'-hydroxymethyl-2'-deoxy-D-ribonolactone