Biaryl ethers and thio ethers are formed in high yields by the condensation of phenols and thiophenols with electron-deficient aryl halides using CsF supported on Al2O3 under microwave irradiation in solvent-free conditions.
双芳基醚和
硫醚在无溶剂条件下,通过
酚和
硫酚与缺电子芳基卤化物在无溶剂条件下利用负载于氧化铝上的
氟化铯在微波辐射下缩合,能够以高产率生成。