Phosphoric acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(6-chloro-purin-9-yl)-tetrahydro-furan-3-yl ester bis-[2-(4-nitro-phenyl)-ethyl] ester 在
溶剂黄146 作用下,
反应 3.0h,
以86%的产率得到Phosphoric acid (2R,3S,5R)-5-(6-chloro-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester bis-[2-(4-nitro-phenyl)-ethyl] ester