Green and efficient synthesis of aryl/alkylbis(indolyl)methanes using Expanded Perlite-PPA as a heterogeneous solid acid catalyst in aqueous media
作者:MARZIEH ESMAIELPOUR、BATOOL AKHLAGHINIA、ROYA JAHANSHAHI
DOI:10.1007/s12039-017-1246-x
日期:2017.3
Perlite-Polyphosphoric acid (EP-PPA) as a novel, efficient, recyclable and eco-benign heterogeneous catalyst has been applied for the green and rapid synthesis of aryl/alkylbis(indolyl)methanes, in water, in good to excellent yields. The catalyst was characterized by XRF, FT-IR, TGA/DTG, ICP-OES, SEM-EDX and pH analysis. Importantly, the newly synthesized heterogeneous solid acid catalyst can be recovered
膨胀珍珠岩-聚磷酸(EP-PPA)作为一种新颖,高效,可回收和生态友好的非均相催化剂已被用于绿色和快速合成芳基/烷基双(吲哚基)甲烷的水中,收率良好。通过XRF,FT-IR,TGA / DTG,ICP-OES,SEM-EDX和pH分析对催化剂进行了表征。重要的是,新合成的非均相固体酸催化剂可以回收并重复使用六次,而其催化潜力没有任何重大损失。本方法的显着特征是高转化率,较短的反应时间,更清洁的反应曲线和简单的后处理程序。 研究了膨胀珍珠岩-多磷酸(EP-PPA)作为新型,高效,可回收和生态友好的多相催化剂的催化活性,用于绿色和快速合成芳基/烷基双(吲哚基)甲烷。