Rhodium Complexes of 2,6-Bis(dialkylphosphinomethyl)pyridines: Improved C–H Activation, Expanded Reaction Scope, and Catalytic Direct Arylation
Journal Article
·
· Organometallics
- Univ. of Chicago, IL (United States)
The reactivity of (PNP)Rh(Ph) (PNP = 2,6-bis(dialkylphosphinomethyl)pyridine) toward a variety of electrophiles (Ar–I, ArCH2Cl, O2, I2, B2pin2, and ArSO3H) was explored, and several new modes of oxidative reactivity were observed. We note substituting tBu2P for iPr2P provided 100-fold rate enhancement toward C–H bond activation and addressed the previously reported challenge of N2 inhibition. Studying the stoichiometric reactivity of (PNP)Rh complexes toward C–H cleavage and oxidative functionalization led to (PNP)Rh-catalyzed cross-coupling of aryl iodides with sp2 and sp3 C–H bonds.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- National Science Foundation ((NSF); USDOE Office of Science (SC)
- Grant/Contract Number:
- AC02-06CH11357; NSF/CHE-1346572; NSF/DMR-1531283
- OSTI ID:
- 1437457
- Journal Information:
- Organometallics, Vol. 36, Issue 24; ISSN 0276-7333
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- ENGLISH
Cited by: 16 works
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