科研之友
微信
新浪微博
Facebook
分享链接
摘要
In this work, a functionalizing active species 4-methylbenzenesulfonic acid-based IL on silica gel (IL-SO3H-SiO2) has been prepared, and characterized by FT-IR, XRD, TGA, SEM and EDX spectra. Then, IL-SO3H-SiO2 was utilized as an efficient and heterogeneous catalyst for the synthesis of indoles via the one-pot Fischer reaction of phenyl hydrazines with ketones or aldehydes at room temperature. The heterogeneous catalyst could be recovered easily by filtration and reused many times without significant loss of its catalytic activity.
