research, nano-SiO2–H3BO3 is introduced as a novel environmentally benign and recyclable heterogeneous catalyst for the synthesis of aminonaphthols under solvent-free conditions without an additional co-catalyst or additive in air. This synthesis method offers several advantages, such as a green and eco-friendly protocol, operational simplicity, mild reaction conditions, short reaction times, higher yields
摘要 在这项研究中,引入了纳米SiO 2 -H 3 BO 3作为一种新型的环境友好型可循环使用的非均相催化剂,用于在无溶剂条件下合成
氨基
萘,而无需额外的助催化剂或空气中的添加剂。这种合成方法具有许多优点,例如绿色环保的方法,操作简单,反应条件温和,反应时间短,产率高,后处理程序容易。这些非常干净的反应的后处理仅涉及从
乙醇中重结晶产物并通过过滤回收催化剂。催化剂可以重复使用几次而不会失去活性。 图形概要