{9-[(2R,3R,4R,5R)-5-{[(S)-2,3-Bis-(tert-butyl-dimethyl-silanyloxy)-propionylamino]-hydroxy-phosphoryloxymethyl}-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-furan-2-yl]-9H-purin-6-yl}-phosphoramidic acid monocyclopentyl ester 在
四丁基氟化铵 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.07h,
以70%的产率得到(9-{(2R,3R,4S,5R)-5-[((S)-2,3-Dihydroxy-propionylamino)-hydroxy-phosphoryloxymethyl]-3,4-dihydroxy-tetrahydro-furan-2-yl}-9H-purin-6-yl)-phosphoramidic acid monocyclopentyl ester