Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 27, Pages 9049-9053Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201902825
Keywords
C-H arylation; nanoparticles; photocatalysis; self-assembly; surface-enhanced Raman spectroscopy (SERS)
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Funding
- National Natural Science Foundation of China [21775074, 51601098, 21861132016]
- Natural Science Foundation of Tianjin [17JCQNJC05400]
- National Key RD Program [2017YFA0206702, 2016YFB0901502]
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Bifunctional Au@Ni core-satellite nanostructures synthesized by a one-step assembly method were employed for in situ surface-enhanced Raman spectroscopic (SERS) monitoring of Ni-catalyzed C-C bond-forming reactions. Surprisingly, the reaction that was thought to be an Ullmann-type self-coupling reaction, was found to be a cross-coupling reaction proceeding by photoinduced aromatic C-H bond arylation. In situ SERS monitoring enabled the discovery, and a series of biphenyl compounds were synthesized photocatalytically, and at room temperature, using cheap Ni nanoparticle catalysts.
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