Abstract
A cobalt hydride has been proposed as an intermediate in many reactions of the Co(dmgBF2)2L2 system, but its observation has proven difficult. We have observed the UV-vis spectra of Co(dmgBF2)2L2 (1) in CH3CN under hydrogen pressures of up to 70 atm. A Co(I) compound (6a) with an exchangeable proton is eventually formed. We have determined the bond dissociation free energy and pKa of the new O-H bond in 6a to be 50.5 kcal/mol and 13.4, respectively, in CH3CN, matching previous reports.
| Original language | English |
|---|---|
| Pages (from-to) | 17362-17365 |
| Number of pages | 4 |
| Journal | Journal of the American Chemical Society |
| Volume | 136 |
| Issue number | 50 |
| DOIs | |
| Publication status | Published - Dec 17 2014 |
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ASJC Scopus subject areas
- Chemistry(all)
- Catalysis
- Biochemistry
- Colloid and Surface Chemistry
Cite this
The reaction of cobaloximes with hydrogen : Products and thermodynamics. / Estes, Deven P.; Grills, David; Norton, Jack R.
In: Journal of the American Chemical Society, Vol. 136, No. 50, 17.12.2014, p. 17362-17365.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - The reaction of cobaloximes with hydrogen
T2 - Products and thermodynamics
AU - Estes, Deven P.
AU - Grills, David
AU - Norton, Jack R.
PY - 2014/12/17
Y1 - 2014/12/17
N2 - A cobalt hydride has been proposed as an intermediate in many reactions of the Co(dmgBF2)2L2 system, but its observation has proven difficult. We have observed the UV-vis spectra of Co(dmgBF2)2L2 (1) in CH3CN under hydrogen pressures of up to 70 atm. A Co(I) compound (6a) with an exchangeable proton is eventually formed. We have determined the bond dissociation free energy and pKa of the new O-H bond in 6a to be 50.5 kcal/mol and 13.4, respectively, in CH3CN, matching previous reports.
AB - A cobalt hydride has been proposed as an intermediate in many reactions of the Co(dmgBF2)2L2 system, but its observation has proven difficult. We have observed the UV-vis spectra of Co(dmgBF2)2L2 (1) in CH3CN under hydrogen pressures of up to 70 atm. A Co(I) compound (6a) with an exchangeable proton is eventually formed. We have determined the bond dissociation free energy and pKa of the new O-H bond in 6a to be 50.5 kcal/mol and 13.4, respectively, in CH3CN, matching previous reports.
UR - http://www.scopus.com/inward/record.url?scp=84919346981&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84919346981&partnerID=8YFLogxK
U2 - 10.1021/ja508200g
DO - 10.1021/ja508200g
M3 - Article
AN - SCOPUS:84919346981
VL - 136
SP - 17362
EP - 17365
JO - Journal of the American Chemical Society
JF - Journal of the American Chemical Society
SN - 0002-7863
IS - 50
ER -