2-氰乙基N,N-二异丙基氯亚磷酰胺 、
4-tert-Butyl-N-{9-[(2R,3R,4R,5R)-3-[1-(2-chloro-4-methyl-phenyl)-4-methoxy-piperidin-4-yloxy]-4-hydroxy-5-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-2-yl]-9H-purin-6-yl}-benzamide 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以82%的产率得到Diisopropyl-phosphoramidous acid (2R,3R,4R,5R)-5-[6-(4-tert-butyl-benzoylamino)-purin-9-yl]-4-[1-(2-chloro-4-methyl-phenyl)-4-methoxy-piperidin-4-yloxy]-2-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester