Catalysis Communications p. 83 - 88 (2017)
Update date:2022-08-16
Topics:
Park, Jaerim
Jung, Dasom
Kim, Han-Sung
Na, Kyungsu
Lee, Sunwoo
A series of nanoporous aluminosilicate materials (zeolite FAU(Y), LTA(A), and mesoporous Al-SBA-15) was prepared to investigate their catalytic performances in decarboxylative coupling reactions of alkynyl carboxylic acids with aryl iodides. The aluminosilicate frameworks were used for binding Cu(II) ions without coordination by organic ligands. Effects of pore size and Cu(II) content of the aluminosilicates on the catalytic activity and product yield were investigated by varying the solvent, base, and functional groups in the reactants. This catalytic system provided high yields and good selectivity for the desired diaryl alkynes. In addition, the Cu(II)-exchanged zeolite Y catalyst which is NaCuY(0.11) exhibited high recyclability, showing no significant change in catalytic performance after six repetitions.
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