(+/-)-1,2-cis-1,3-trans-phosphoric acid di-tert-butyl ester 2-(2-chloro-6-methylaminopurin-9-yl)-3-(di-tert-butoxyphosphoryloxymethyl)cyclopropylmethyl ester 在
5percent trifluoroacetic acid 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
生成 Phosphoric acid mono-[(1S,3S)-2-(2-chloro-6-methylamino-purin-9-ylmethyl)-3-phosphonooxymethyl-cyclopropylmethyl] ester