2-氰乙基N,N-二异丙基氯亚磷酰胺 、
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]-6-(3-chloro-phenoxy)-9H-purin-2-yl]-2-phenyl-acetamide 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以81%的产率得到Diisopropyl-phosphoramidous acid (2R,3R,4R,5R)-4-[1-(2-chloro-4-methyl-phenyl)-4-methoxy-piperidin-4-yloxy]-5-[6-(3-chloro-phenoxy)-2-phenylacetylamino-purin-9-yl]-2-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester