2-氰乙基N,N-二异丙基氯亚磷酰胺 、
(1R,3S,5S,7S,11R)-N-{9-[5-hydroxy-11-(9-phenyl-9H-xanthen-9-yloxy)-2,8-dioxatricyclo[5.3.1.01,5]undec-3-yl]-9H-purin-6-yl}benzamide 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 8.0h,
以85%的产率得到(1R,3S,5S,7S,11R)-N-{9-[5-(2-cyanoethoxydiisopropylaminophosphinoxy)-11-(9-phenyl-9H-xanthen-9-yloxy)-2,8-dioxatricyclo[5.3.1.0
1,5]undec-3-yl]-9H-purin-6-yl}benzamide