of polyfluoroalkenyl tosylates (1) with dialkylamines in the presence of triethylamine and a catalytic amount (10 mol%) of tetrabutylammonium fluoride (TBAF), reacted smoothly with various organolithium reagents at −78 °C for 0.5 h, followed by hydrolysis with 10% hydrochloric acid at room temperature for 1 h to afford the corresponding (Z)-α-fluoro-β-substituted acrylaldehydes (3) via allylic rearrangement
α-
氟-β-
氨基
丙烯醛 (2),在
三乙胺和催化量 (10 mol%) 的
四丁基氟化铵 (TBAF) 存在下,多
氟烯基
甲苯磺酸酯 (1) 与二烷基胺反应容易获得,与各种
有机锂试剂在 -78 °C 下反应 0.5 h,然后在室温下用 10%
盐酸水解 1 h,通过烯丙基重排得到相应的 (Z)-α-
氟-β-取代的
丙烯醛 (3)。优良的产量。