Nano Fibrous Silica Sulphuric Acid as an Efficient Catalyst for the Synthesis of β-Enaminone
作者:Zeba N. Siddiqui、Kulsum Khan、Nayeem Ahmed
DOI:10.1007/s10562-013-1190-4
日期:2014.4
Synthesis of KCC-1 silica sulphuric acid as a new catalyst has been reported. The catalyst was characterized using XRD, SEM, TEM, BET, FT-IR, TGA-DTA, and EDX analysis. The catalytic activity was evaluated for the synthesis of enaminones under solvent-free conditions. The catalyst was easily recovered and reused up to seven cycles with slight loss of activity. The attractive features of this protocol
已报道合成 KCC-1 二氧化硅硫酸作为一种新型催化剂。使用XRD、SEM、TEM、BET、FT-IR、TGA-DTA和EDX分析对催化剂进行表征。评估了在无溶剂条件下合成烯胺酮的催化活性。催化剂很容易回收并重复使用多达七个循环,但活性略有下降。该方案的吸引人的特点是催化剂负载量低、反应时间短、反应条件温和、产品收率好至极好、催化剂易于操作、操作步骤简单。 图文摘要合成了一种高效的硫酸化纳米二氧化硅硫酸并应用于烯胺酮的合成。在催化剂负载方面,该催化方案比先前报道的程序更适合于烯胺酮的合成,