Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 142, Issue 22, Pages 9902-9907Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c02673
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Funding
- National Institute of General Medical Sciences of the National Institutes of Health [R01GM097243, F32GM122362]
- NSF [CHE-1048642]
- NIH [1S10 OD020022]
- Department of Chemistry [GCMS-QP2010S]
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Alkyl chlorides and aryl chlorides are among the most abundant and stable carbon electrophiles. Although their coupling with carbon nucleophiles is well developed, the cross-electrophile coupling of aryl chlorides with alkyl chlorides has remained a challenge. We report here the first general approach to this transformation. The key to productive, selective cross-coupling is the use of a small amount of iodide or bromide along with a recently reported ligand, pyridine-2,6-bis(N-cyanocarboxamidine) (PyBCam(CN)). The scope of the reaction is demonstrated with 35 examples (63 +/- 16% average yield), and we show that the Br- and I- additives act as cocatalysts, generating a low, steady-state concentration of more-reactive alkyl bromide/iodide.
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