trans-1,3-pentadiene and cyclobutene complexes of rhodium(I) and iridium(I)

Robert B. Osborne; James A. Ibers

doi:10.1016/S0022-328X(00)89070-1

trans-1,3-pentadiene and cyclobutene complexes of rhodium(I) and iridium(I)

Robert B. Osborne^*, James A. Ibers

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article

6 Scopus citations

Abstract

The generation of "MClL₂" centers in THF solution (M Ir, L AsPh₃, SbPh₃; M Rh, L SbPh₃) leads to stable η²-MCl(C₅H₈)L₂ complexes on the addition of an excess of trans-1,3-pentadiene. For IrCl(PPh₃)₂, it is only possible to recover a clean pentadiene complex if the reaction is carried out in neat diene solution. Cyclobutene also coordinates to "IrClL₂" (L AsPh₃, SbPh₃) to form an LrCl(C₄H₆)L₂ product when excess cyclobutene is condensed with a starting material at-78°C, THF is added, and the solution is warmed to 25°C. These 16-electron MCl(olefin)L₂ complexes are stable to disproportionation after isolation from solution. The most stable complexes are formed with the tertiary arsine and stibine ligands for M Ir.

Original language	English (US)
Pages (from-to)	267-272
Number of pages	6
Journal	Journal of Organometallic Chemistry
Volume	232
Issue number	3
DOIs	https://doi.org/10.1016/S0022-328X(00)89070-1
State	Published - Jun 22 1982

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/S0022-328X(00)89070-1

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Osborne, R. B., & Ibers, J. A. (1982). trans-1,3-pentadiene and cyclobutene complexes of rhodium(I) and iridium(I). Journal of Organometallic Chemistry, 232(3), 267-272. https://doi.org/10.1016/S0022-328X(00)89070-1

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title = "trans-1,3-pentadiene and cyclobutene complexes of rhodium(I) and iridium(I)",

abstract = "The generation of {"}MClL2{"} centers in THF solution (M Ir, L AsPh3, SbPh3; M Rh, L SbPh3) leads to stable η2-MCl(C5H8)L2 complexes on the addition of an excess of trans-1,3-pentadiene. For IrCl(PPh3)2, it is only possible to recover a clean pentadiene complex if the reaction is carried out in neat diene solution. Cyclobutene also coordinates to {"}IrClL2{"} (L AsPh3, SbPh3) to form an LrCl(C4H6)L2 product when excess cyclobutene is condensed with a starting material at-78°C, THF is added, and the solution is warmed to 25°C. These 16-electron MCl(olefin)L2 complexes are stable to disproportionation after isolation from solution. The most stable complexes are formed with the tertiary arsine and stibine ligands for M Ir.",

author = "Osborne, {Robert B.} and Ibers, {James A.}",

year = "1982",

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doi = "10.1016/S0022-328X(00)89070-1",

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TY - JOUR

T1 - trans-1,3-pentadiene and cyclobutene complexes of rhodium(I) and iridium(I)

AU - Osborne, Robert B.

AU - Ibers, James A.

PY - 1982/6/22

Y1 - 1982/6/22

N2 - The generation of "MClL2" centers in THF solution (M Ir, L AsPh3, SbPh3; M Rh, L SbPh3) leads to stable η2-MCl(C5H8)L2 complexes on the addition of an excess of trans-1,3-pentadiene. For IrCl(PPh3)2, it is only possible to recover a clean pentadiene complex if the reaction is carried out in neat diene solution. Cyclobutene also coordinates to "IrClL2" (L AsPh3, SbPh3) to form an LrCl(C4H6)L2 product when excess cyclobutene is condensed with a starting material at-78°C, THF is added, and the solution is warmed to 25°C. These 16-electron MCl(olefin)L2 complexes are stable to disproportionation after isolation from solution. The most stable complexes are formed with the tertiary arsine and stibine ligands for M Ir.

AB - The generation of "MClL2" centers in THF solution (M Ir, L AsPh3, SbPh3; M Rh, L SbPh3) leads to stable η2-MCl(C5H8)L2 complexes on the addition of an excess of trans-1,3-pentadiene. For IrCl(PPh3)2, it is only possible to recover a clean pentadiene complex if the reaction is carried out in neat diene solution. Cyclobutene also coordinates to "IrClL2" (L AsPh3, SbPh3) to form an LrCl(C4H6)L2 product when excess cyclobutene is condensed with a starting material at-78°C, THF is added, and the solution is warmed to 25°C. These 16-electron MCl(olefin)L2 complexes are stable to disproportionation after isolation from solution. The most stable complexes are formed with the tertiary arsine and stibine ligands for M Ir.

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U2 - 10.1016/S0022-328X(00)89070-1

DO - 10.1016/S0022-328X(00)89070-1

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VL - 232

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EP - 272

JO - Journal of Organometallic Chemistry

JF - Journal of Organometallic Chemistry

SN - 0022-328X

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