Synthesis and application of modified silica sulfuric acid as a solid acid heterogeneous catalyst in Michael addition reactions

…, F Mohanazadeh, A Sedrpoushan

Index: Zolfigol, Mohammad Ali; Veisi, Hojat; Mohanazadeh, Farajollah; Sedrpoushan, Alireza Journal of Heterocyclic Chemistry, 2011 , vol. 48, # 4 p. 977 - 986

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Citation Number: 9

Abstract

Abstract Modified silica sulfuric acid (MSSA) as a new type of silica sulfuric acid was prepared and effectively used in the conjugate addition of indole, pyrrole, and thiols with Michael acceptors under mild conditions at room temperature. Also, MSSA was used as a catalyst for the synthesis of 1, 1, 3-tri-indolyl compounds in good to excellent yield at room temperature. J. Heterocyclic Chem.,(2011).