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Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution

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Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution. / Quirós, M. Teresa; Paz Muñoz, María; Christensen, Jeppe et al.
In: Organometallics, Vol. 36, No. 2, 20.12.2016, p. 318–330.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Quirós, MT, Paz Muñoz, M, Christensen, J & Coles, SJ 2016, 'Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution', Organometallics, vol. 36, no. 2, pp. 318–330. https://doi.org/10.1021/acs.organomet.6b00778

APA

Quirós, M. T., Paz Muñoz, M., Christensen, J., & Coles, S. J. (2016). Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution. Organometallics, 36(2), 318–330. https://doi.org/10.1021/acs.organomet.6b00778

Vancouver

Quirós MT, Paz Muñoz M, Christensen J, Coles SJ. Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution. Organometallics. 2016 Dec 20;36(2):318–330. doi: 10.1021/acs.organomet.6b00778

Author

Quirós, M. Teresa ; Paz Muñoz, María ; Christensen, Jeppe et al. / Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution. In: Organometallics. 2016 ; Vol. 36, No. 2. pp. 318–330.

Bibtex

@article{6f2ff5cd851b43188c2accf91f6b22ef,
title = "Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution",
abstract = "Classic (dynamic exchange lineshape analysis) and novel (SSTD NMR) NMR techniques have been applied in order to obtain the kinetic and thermo-dynamic parameters of the three main processes occurring in the fluxional behaviour of Pt-allene complexes with N-containing ligands, in four and five coordination mode, in solution. Our results show intramolecular helical and rotational movements, closely related to each other confirming η1 -staggered structures as possible intermediates. The ligand exchange in these complexes seems to occur via a ligand-independent dissociative mechanism, where coordinating solvents might be involved in the stabilisation of the intermediates. The differences observed in the interaction of allenes with other metals could be the basis to explain the divergent reactivity observed in platinum catalysed processes.",
author = "Quir{\'o}s, {M. Teresa} and {Paz Mu{\~n}oz}, Mar{\'i}a and Jeppe Christensen and Coles, {Simon J.}",
year = "2016",
month = dec,
day = "20",
doi = "10.1021/acs.organomet.6b00778",
language = "English",
volume = "36",
pages = "318–330",
journal = "Organometallics",
issn = "0276-7333",
publisher = "American Chemical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Twists and turns of platinum-allene complexes: NMR techniques for the study of the dynamic behaviour in solution

AU - Quirós, M. Teresa

AU - Paz Muñoz, María

AU - Christensen, Jeppe

AU - Coles, Simon J.

PY - 2016/12/20

Y1 - 2016/12/20

N2 - Classic (dynamic exchange lineshape analysis) and novel (SSTD NMR) NMR techniques have been applied in order to obtain the kinetic and thermo-dynamic parameters of the three main processes occurring in the fluxional behaviour of Pt-allene complexes with N-containing ligands, in four and five coordination mode, in solution. Our results show intramolecular helical and rotational movements, closely related to each other confirming η1 -staggered structures as possible intermediates. The ligand exchange in these complexes seems to occur via a ligand-independent dissociative mechanism, where coordinating solvents might be involved in the stabilisation of the intermediates. The differences observed in the interaction of allenes with other metals could be the basis to explain the divergent reactivity observed in platinum catalysed processes.

AB - Classic (dynamic exchange lineshape analysis) and novel (SSTD NMR) NMR techniques have been applied in order to obtain the kinetic and thermo-dynamic parameters of the three main processes occurring in the fluxional behaviour of Pt-allene complexes with N-containing ligands, in four and five coordination mode, in solution. Our results show intramolecular helical and rotational movements, closely related to each other confirming η1 -staggered structures as possible intermediates. The ligand exchange in these complexes seems to occur via a ligand-independent dissociative mechanism, where coordinating solvents might be involved in the stabilisation of the intermediates. The differences observed in the interaction of allenes with other metals could be the basis to explain the divergent reactivity observed in platinum catalysed processes.

U2 - 10.1021/acs.organomet.6b00778

DO - 10.1021/acs.organomet.6b00778

M3 - Journal article

VL - 36

SP - 318

EP - 330

JO - Organometallics

JF - Organometallics

SN - 0276-7333

IS - 2

ER -