期刊
CHEMICAL COMMUNICATIONS
卷 52, 期 42, 页码 6914-6917出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc01413e
关键词
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资金
- 973 Program [2012CB725302]
- National Natural Science Foundation of China [21390400, 21520102003, 21272180, 21302148]
- Hubei Province Natural Science Foundation of China [2013CFA081]
- Research Fund for the Doctoral Program of Higher Education of China [20120141130002]
- Ministry of Science and Technology of China [2012YQ120060]
- U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Chemical Sciences and Engineering Division, Argonne National Laboratory
- Department of Energy
- MRCAT member institutions
The investigation into the active copper(I) catalysts from copper(II) precursors has become a fundamental and important task in copper catalysis. In this work, we demonstrate that the (BuO-)-Bu-t anion serves not only as a base but also as a mediator to promote the reduction of Cu(II) to Cu(I) in copper catalysis. XAFS and EPR spectroscopy evidence the [Cu((OBu)-Bu-t)(3)](-) ate complex as the key intermediate which undergoes homolytic-cleavage of the O-Cu(II) bond generating [Cu(O(t)Bu())2](-) ate complex.
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