7-[3-methoxy-4-(tetrahydropyran-2-yloxy)-phenyl]-4-{3-[3-methoxy-4-(tetrahydropyran-2-yloxy)-phenyl]-acryloyl}-5-oxo-hept-6-enoic acid ethyl ester 在
sodium hydride 、 Selectfluor 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.5h,
以13%的产率得到4-fluoro-7-[3-methoxy-4-(tetrahydropyran-2-yloxy)-phenyl]-4-{3-[3-methoxy-4-(tetrahydropyran-2-yloxy)-phenyl]-acryloyl}-5-oxo-hept-6-enoic acid ethyl ester