N-[6-Dimethylamino-9-((2R,3aS,9aR)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-9H-purin-2-yl]-2-phenoxy-acetamide 在
吡啶 、
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 3.25h,
生成 Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-[6-dimethylamino-2-(2-phenoxy-acetylamino)-purin-9-yl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester