Regioselective Magnesiations of Fluorinated Arenes and Heteroarenes Using Magnesium‐
<i>bis</i>
‐Diisopropylamide (MBDA) in Hydrocarbons
作者:Andreas Hess、Nurtalya Alandini、Yusuf C. Guersoy、Paul Knochel
DOI:10.1002/anie.202206176
日期:2022.7.18
Various fluoro-substituted aromatics and heterocycles were magnesiated with the hydrocarbon-soluble organomagnesium amide (iPr2N)2Mg (magnesium-bis-diisopropylamide; MBDA) at non-cryogenic temperatures providing thermally stable arylmagnesium amides (or diheteroarylmagnesium amides in the case of heterocyclic substrates). Trapping reactions with typical electrophiles furnished polyfunctional fluoro-substituted
各种氟取代的芳烃和杂环化合物在非低温温度下用烃溶性有机氨基镁 ( i Pr 2 N) 2 Mg(双二异丙基氨基镁;MBDA)镁化,提供热稳定的芳基氨基镁(或二杂芳基氨基镁)杂环底物)。与典型亲电试剂的捕获反应提供了多官能团氟取代的结构单元。