1-cyano-3,6-dichloro-2-methyl-1,4-bis<(trimethylsilyl)oxy>-4-<3-(2-tetrahydropyranyloxy)-1-propynyl>-2,5-cyclohexadiene 在
copper diacetate 、 sodium fluoride 作用下,
以
乙二醇二甲醚 为溶剂,
反应 3.0h,
以36%的产率得到3,6-dichloro-4-hydroxy-2-methyl-4-<3-(2-tetrahydropyranyloxy)-1-propynyl>-2,5-cyclohexadienone