(Z)-4(R)-<(tert-butyldiphenylsilyl)oxy>-6(S)-<2-<2,6-dimethyl-4-(4-fluorophenyl)pyridin-3-yl>ethenyl>-3,4,5,6-tetrahydro-2H-pyran-2-one 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 15.0h,
以75%的产率得到(Z)-6(S)-<2-<2,6-dimethyl-4-(4-fluorophenyl)pyridin-3-yl>ethenyl>-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one