离子液体1-丁基-3-羧甲基苯并三唑三氟乙酸盐催化三组分缩合反应合成氨基萘酚化合物

Abstract

本文报道了一种离子液体1-丁基-3-羧甲基苯并三唑三氟乙酸盐催化β-萘酚、芳香醛和胺在无溶剂条件下发生三组分缩合反应绿色、高效合成氨基萘酚化合物的方法。离子液体催化剂至少可以循环使用5次，并且活性没有明显降低。 A green and highly efficient approach for the synthesis of aminonaphthols via ionic liquid 1-butyl-3-carboxymethyl benzotriazole trifluoroacetate catalyzed three component condensation recation of β-naphthols, aromatic aldehydes and amines under solvent-free conditions has been reported. The catalyst ionic liquid can be easily recycled and reused for at least five cycles without obvious loss of catalytic activity.