An efficient synthesis of triarylmethanes has been developed via bisarylation of aryl aldehydes with arenes catalyzed by silica gel-supported sodium hydrogen sulfate in a solvent-free system. The new method features high yield, mild reaction conditions, and environmental friendliness.
在无溶剂体系中,通过
硅胶负载的
硫酸氢钠催化芳基醛与
芳烃的二芳基化,已开发出三芳基
甲烷的有效合成方法。该新方法具有收率高,反应条件温和和环境友好的特点。