(4-methoxyphenyl)methyl (1R,6R,7S)-7-cyano-8-methylidene-10-oxobicyclo[4.3.1]deca-2,4-diene-3-carboxylate 在
4-二甲氨基吡啶 、 O,O'-(R)-(1,1'-dinaphthyl-2,2'-diyl)-N-((R,R)-2,5-di(4-biphenyl)pyrrolidine)phosphoramidite 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 15.0h,
以100%的产率得到(4-methoxyphenyl)methyl (1R,6R)-7-cyano-8-methyl-10-oxobicyclo[4.3.1]deca-2,4,7-triene-3-carboxylate