期刊
TETRAHEDRON
卷 150, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2023.133752
关键词
Iron-based carbon material; Quinoxaline; Styrene oxide; Water; Heterogeneous catalysis
In this study, a low-metal iron-supported catalyst (Fe20/NC-Mg) was reported for the efficient synthesis of quinoxaline compounds, using water as a solvent and without additional bases. The synergistic effect of FeNx site and Mg (OH)2 nanorods in the catalyst played a key role in achieving high yields (82-91%) in 16 examples. The gram-level synthesis and reusability of the catalysts after four cycles demonstrated its industrial application potential.
Herein, we report a low-metal iron-supported (0.06 wt%) catalyst (Fe20/NC-Mg), in which the FeNx site and Mg (OH)2 nanorods are synergistic to achieve the efficient synthesis of quinoxaline (16 examples, 82-91 % yield) with water as a solvent and without additional bases. Moreover, the industrial application potential of Fe20/NCMg is demonstrated by gram-level synthesis and reusability of catalysts after four cycles. This protocol has high atomic and step economy, which meets with the requirement of green synthesis.
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