(benzyloxycarbonyl)phosphonic dichloride 、
{1-[2',5'-bis-O-(tert-butyldimethylsilyl)-β-D-ribofuranosyl]-3-N-(3-hydroxypropyl)thymine}-3'-spiro-5''-(4''-amino-1'',2''-oxathiole-2'',2''-dioxide) 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 0.08h,
以54%的产率得到[1-[2',5'-bis-O-(tert-butyldimethylsilyl)-β-D-ribofuranosyl]-3-N-[3-[[(benzyloxycarbonyl)hydroxyphosphonyl]oxy]propyl]thymine]-3'-spiro-5''-(4''-amino-1'',2''-oxathiole-2'',2''-dioxide)