4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate (Selectfluor) is reported. Two transformations from endo-olefin 1 to allylic fluoride 3 and from exo-olefin 2 to fluorohydrin 6 proceed via allylic fluorination and fluorohydroxylation in moderate yields. It presents two novel reactions promoted by Selectfluor and broadens the scope of application.
通过
哌啶子基外表皮的处理,简单而直接地合成1-取代的4-芳基-5-
氟-
1,2,3,6-四氢吡啶(3)或1-取代的4-二芳基甲酰基-
4-氟哌啶(6)-或内烯烃与1-
氯甲基-4-
氟-1,4-二氮鎓
双环[2.2.2]辛烷双(四
氟硼酸盐(的Selectfluor)报道从两次转变。内切α-烯烃1至烯丙基
氟化物3和从外烯烃2至
氟代醇6通过烯丙基
氟化和
氟羟基化进行中等收率。它展示了Selectfluor促进的两个新颖反应,并扩大了应用范围。