1-Cyano-2-(4,5-dimethyl-2-oxa-4-hexenyl)naphthalene 在
tris{3-(heptafluoropropylhydroxymethylene)-camphorato}europium(III) 作用下,
以
苯 为溶剂,
反应 3.0h,
以64%的产率得到(1R,10S,12S)-11,11,12-trimethyl-14-oxatetracyclo[8.5.0.01,12.04,9]pentadeca-2,4,6,8-tetraene-10-carbonitrile