Silicon diimide gel as an efficient stationary phase in thin layer chromatography for acid-sensitive organic compounds

Abstract

We report the use of mesoporous silicon diimide gel as a basic stationary phase in thin layer chromatography for the characterisation and purification of acid-sensitive compounds. The gel is prepared by a simple sol–gel process and exhibits a large specific surface area, almost monodisperse pores and basic properties due to free-hanging amine groups.