2-氰乙基N,N-二异丙基氯亚磷酰胺 、
N6-benzoyl-5'-O-(monomethoxytrityl)arabinoadenosine 以10%的产率得到Diisopropyl-phosphoramidous acid (2R,3R,4S,5R)-5-(6-benzoylamino-purin-9-yl)-4-[(2-cyano-ethoxy)-diisopropylamino-phosphanyloxy]-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester