二氯-N,N-二异丙基亚磷酰胺 、
2-(acetylamino)-9-{3,5-bis-O-[(tert-butyl)dimethylsilyl]-2-deoxy-β-D-erythro-pentofuranosyl}-1,9-dihydro-6H-purin-6-one 在
N,N-二异丙基乙胺 作用下,
以
氯仿 为溶剂,
反应 0.33h,
以60%的产率得到3-[(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-8-diisopropylamino-6-methyl-3H-7-oxa-1,3,4,5,8a-pentaaza-8-phospha-cyclopenta[b]naphthalen-9-one