期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 26, 期 2, 页码 369-373出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201903523
关键词
alkylation; arylation; covalent organic frameworks; quinoxalin-2(1H)-ones; visible-light-driven
资金
- National Natural Science Foundation of China [21402126, 21806167]
- Natural Science Foundation of Liaoning Province [20180550882]
- Program for Creative Talents in University of Liaoning Province
- Basic Scientific Project of the Universities in Liaoning Province [LFW201701]
- Program for Young Creative Talents in Shenyang City [RC170189]
- Engineering Technology Research Centre of Catalysis for Energy and Environment-Major Platform for Science and Technology of the Universities in Liaoning Province
A practical and scalable protocol for visible-light-accelerated arylation and alkylation of quinoxalin-2(1H)-ones with hydrazines is reported. In this protocol, a hydrazone-based two-dimensional covalent organic frameworks (2D-COF-1) was employed as the heterogeneous photocatalyst (PC). Due to its excellent photocatalytic properties, good chemical stability and heterogeneous nature, the present method exhibits high efficiency, good functional group tolerance, easy scalability and remarkable catalyst reusability. More importantly, it provides an alternative way that allows rapid access to various C3 arylated or alkylated quinoxalin-2(1H)-ones in a greener and sustainable manner.
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