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Angew Chem Int Ed Engl. 2019 Apr 25. doi: 10.1002/anie.201902825. [Epub ahead of print]

C-H Arylation on Nickel Nanoparticles Monitored by In Situ Surface-Enhanced Raman Spectroscopy.

Author information

1
Key Lab of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Weijin Rd. 94, Tianjin, 300071, China.

Abstract

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.

KEYWORDS:

C−H arylation; nanoparticles; photocatalysis; self-assembly; surface-enhanced Raman spectroscopy (SERS)

PMID:
31025515
DOI:
10.1002/anie.201902825

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