Synthesis and application of modified silica sulfuric acid as a solid acid heterogeneous catalyst in Michael addition reactions
作者:Mohammad Ali Zolfigol、Hojat Veisi、Farajollah Mohanazadeh、Alireza Sedrpoushan
DOI:10.1002/jhet.659
日期:2011.7
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).
制备了新型的二氧化硅硫酸改性的二氧化硅硫酸(MSSA),并在室温下于温和条件下有效地用于吲哚,吡咯和硫醇与迈克尔受体的共轭加成中。此外,MSSA还用作催化剂,可在室温下以良好至极好的收率合成1,1,3-三-吲哚基化合物。J.杂环化学。(2011)。