期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 44, 页码 14035-14038出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b08905
关键词
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资金
- Merck Research Laboratories New Technologies Review & Licensing Committee (NT-RLC)
- NSF Career Award [CHE-1149367]
- NSF IDBR [CHE-1455554]
- NNSFC [21328502]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1149367] Funding Source: National Science Foundation
A long-sought-after reactive monophosphine-ligated palladium(0) intermediate, (PdL)-L-0 (L = phosphine ligand), was detected for the first time from the activation of the Buchwald precatalyst with base. The detection was enabled using desorption electrospray ionization mass spectrometry (DESI-MS) in combination with online reaction monitoring. The subsequent oxidative addition of (PdL)-L-0 with aryl halide and C-N coupling with amine via reductive elimination was also probed using DESI-MS.
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