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

Producción científica › revisión exhaustiva

Idioma original	American English
Publicación	Organometallics
Volumen	17
DOI	https://doi.org/10.1021/OM980289H
Estado	Published - ago 21 1998

Disciplines

Chemistry
Medicinal-Pharmaceutical Chemistry

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10.1021/OM980289HLicencia: Unspecified

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

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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 -