微型多孔材料
催化作用
亚胺
材料科学
傅里叶变换红外光谱
共价有机骨架
热重分析
共价键
核化学
透射电子显微镜
X射线光电子能谱
水溶液
钯
化学
化学工程
有机化学
纳米技术
工程类
作者
S. Velu,Rajendiran Balasaravanan,Chinnadurai Chithiraikumar,Ayyanar Siva
标识
DOI:10.1002/slct.201601440
摘要
Abstract Imine‐based microporous covalent organic frameworks, TATAE were synthesized from condensation of 4,4′,4“‐(1,3,5‐triazine‐2,4,6‐triyl)tribenzaldehyde and 1,4‐diaminobenzene, followed by Pd(OAc) 2 was incorporated on TATAE (Pd/TATAE). The as‐synthesized Pd/TATAE was thoroughly characterized by Fourier Transform‐Infrared Spectroscopy, 13 C CP‐MAS solid state nuclear magnetic resonance, powder X‐ray diffraction, X‐ray photoelectron spectroscopy, thermo gravimetric analysis, scanning electron microscopy and transmission electron microscopy. The Pd/TATAE was employed as a solid catalyst for Suzuki‐Miyaura coupling reactions in an environmentally benign water medium at room temperature, which exhibited a good catalytic activity with excellent yield. In addition, the heterogeneous nature of the catalyst was checked by Shelton test, this catalyst can be recycled more than four times with only a minor loss of its catalytic activity.
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