Green sonosynthesis of pyridopyrimidines using heterogeneous Pd‐containing catalysts anchored on a hybrid organic–inorganic surface of
<scp>SBA</scp>
‐15
A novel functionalized Santa barbara amorphous (SBA)-15 mesoporous silica has been prepared as a catalyst and characterized using X-ray diffraction spectroscopy, Fourier-transform infrared spectroscopy, field-emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, temperature programmed desorption, N2 adsorption
制备了一种新型官能化圣巴巴拉无定形 (SBA)-15 介孔二氧化硅作为催化剂,并使用 X 射线衍射光谱、傅里叶变换红外光谱、场发射扫描电子显微镜、透射电子显微镜、能量色散 X-射线光谱、X 射线光电子能谱、程序升温脱附、N 2吸附分析和差示热重分析 (TGA)。已通过合成多种多官能化吡啶并嘧啶来研究催化剂的产率。这种方法提供了几个优点,包括在短时间内高产率、催化剂的可重复使用性、低催化剂负载和温和的反应条件。