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Incorporating Pd(OAc) 2 on Imine Functionalized Microporous Covalent Organic Frameworks: A Stable and Efficient Heterogeneous Catalyst for Suzuki‐Miyaura Coupling in Aqueous Medium
Author(s) -
Sadhasivam Velu,
Balasaravanan Rajendiran,
Chithiraikumar Chinnadurai,
Siva Ayyanar
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201601440
Subject(s) - microporous material , catalysis , imine , materials science , fourier transform infrared spectroscopy , covalent organic framework , thermogravimetric analysis , covalent bond , nuclear chemistry , transmission electron microscopy , x ray photoelectron spectroscopy , aqueous solution , palladium , chemistry , chemical engineering , organic chemistry , nanotechnology , engineering
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.