Induced Acceleration of Phosphine Exchange in Metal Carbonyls by Pendant Groups of Coordinated Polyphosphines. Two Dangling Phosphine Arms Are Much Better Than One1

Richard L. Keiter; John William Benson; Ellen A. Keiter; Weiying Lin; Zhongjiang Jia; Donna M. Olson; Douglas E. Brandt; Jeremy L. Wheeler

doi:10.1021/OM980289H

Induced Acceleration of Phosphine Exchange in Metal Carbonyls by Pendant Groups of Coordinated Polyphosphines. Two Dangling Phosphine Arms Are Much Better Than One1

Richard L. Keiter, John William Benson, Ellen A. Keiter, Weiying Lin, Zhongjiang Jia, Donna M. Olson, Douglas E. Brandt, Jeremy L. Wheeler

Eastern Illinois University

Research output: Contribution to journal › Article › peer-review

Original language	American English
Journal	Organometallics
Volume	17
DOIs	https://doi.org/10.1021/OM980289H
State	Published - Aug 21 1998

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Chemistry
Medicinal-Pharmaceutical Chemistry

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@article{a6b298a8ba53431d87e7907985e2cc27,

title = "Induced Acceleration of Phosphine Exchange in Metal Carbonyls by Pendant Groups of Coordinated Polyphosphines. Two Dangling Phosphine Arms Are Much Better Than One1",

author = "Keiter, \{Richard L.\} and Benson, \{John William\} and Keiter, \{Ellen A.\} and Weiying Lin and Zhongjiang Jia and Olson, \{Donna M.\} and Brandt, \{Douglas E.\} and Wheeler, \{Jeremy L.\}",

note = "The kinetics and thermodynamics of isomerization of the linkage isomers (OC)5W[η1-PPh2CH2CH(PPh2)2] (1) and (OC)5W[η1-PPh2CH(PPh2)CH2PPh2] (2) in chloroform have been studied by 31P\{1H\} NMR over the temperature range of 10−55 °C. Conversion of 1 to 2 is exothermic (ΔH = −12.25 ± 0.1 kJ mol-1) and is accompanied by a large decrease in entropy (ΔS = −28.2 ± 0.3 J mol-1 K-1).",

year = "1998",

month = aug,

day = "21",

doi = "10.1021/OM980289H",

language = "American English",

volume = "17",

journal = "Organometallics",

}

TY - JOUR

T1 - Induced Acceleration of Phosphine Exchange in Metal Carbonyls by Pendant Groups of Coordinated Polyphosphines. Two Dangling Phosphine Arms Are Much Better Than One1

AU - Keiter, Richard L.

AU - Benson, John William

AU - Keiter, Ellen A.

AU - Lin, Weiying

AU - Jia, Zhongjiang

AU - Olson, Donna M.

AU - Brandt, Douglas E.

AU - Wheeler, Jeremy L.

N1 - The kinetics and thermodynamics of isomerization of the linkage isomers (OC)5W[η1-PPh2CH2CH(PPh2)2] (1) and (OC)5W[η1-PPh2CH(PPh2)CH2PPh2] (2) in chloroform have been studied by 31P{1H} NMR over the temperature range of 10−55 °C. Conversion of 1 to 2 is exothermic (ΔH = −12.25 ± 0.1 kJ mol-1) and is accompanied by a large decrease in entropy (ΔS = −28.2 ± 0.3 J mol-1 K-1).

PY - 1998/8/21

Y1 - 1998/8/21

UR - https://pubs.acs.org/doi/abs/10.1021/om980289h

U2 - 10.1021/OM980289H

DO - 10.1021/OM980289H

M3 - Article

VL - 17

JO - Organometallics

JF - Organometallics

ER -

Induced Acceleration of Phosphine Exchange in Metal Carbonyls by Pendant Groups of Coordinated Polyphosphines. Two Dangling Phosphine Arms Are Much Better Than One1

Disciplines

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