(R)-Phenyl-phosphoramidic acid (2R,3S,5R)-5-(6-amino-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester 4-nitro-phenyl ester 在
potassium tert-butylate 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 20.0h,
生成 (2R,3aS,5R,7aR,9R,10aS,12R,14aR)-2,9-Bis-(6-amino-purin-9-yl)-5,12-dioxo-N,N'-diphenyl-octahydro-1,4,6,8,11,13-hexaoxa-5λ
5,12λ
5-diphospha-dicyclopenta[a,g]cyclododecene-5,12-diamine