cis and trans influences on [Pt(SRF)(triphos)]+ complexes (SRF = polyfluorobenzothiolate)

Ruy Cervantes; Jorge Tiburcio; Hugo Torrens

doi:10.1039/C4NJ01686F

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cis and trans influences on [Pt(SR_F)(triphos)]⁺ complexes (SR_F = polyfluorobenzothiolate)†

Ruy Cervantes,‡^a Jorge Tiburcio^b and Hugo Torrens*^a

Author affiliations

* Corresponding authors

^a Facultad de Química, Universidad Nacional Autónoma de México, México D.F., Mexico
E-mail: torrens@unam.mx

^b Departamento de Química, Cinvestav, Av. Instituto Politécnico Nacional 2508, San Pedro Zacatenco, México D.F., Mexico

Abstract

Platinum(II) derivatives of the tridentate ligand Ph₂PCH₂CH₂P(Ph)CH₂CH₂PPh₂ (triphos), including [Pt(SR_F)(triphos)](CF₃SO₃) R_F = C₆F₄CF₃-4 1, C₆F₅2, C₆HF₄-4 3, C₆H₄CF₃-4 4, C₆H₃F₂-2,4 5, C₆H₄F-2 6, C₆H₄F-4 7 and C₆H₅8, have been prepared and characterised. ¹H, ¹⁹F and ³¹P solution NMR has been used to evaluate the cis and trans influences of the fluorinated and non-fluorinated benzothiolate ligands, particularly through the cis and trans¹J_Pt–P values. The crystal and molecular structures of [Pt(SC₆F₄CF₃-4)(triphos)](CF₃SO₃) 1, with a perfluorinated thiolate ligand, [Pt(SC₆HF₄-4)(triphos)](CF₃SO₃) 3, having a fluorinated thiolate, and [Pt(SC₆H₅)(triphos)](CF₃SO₃) 8, bearing a non-fluorinated moiety, are discussed as examples of extreme electronegativities.

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Article information

DOI: https://doi.org/10.1039/C4NJ01686F
Article type: Paper
Submitted: 30 Sep 2014
Accepted: 31 Oct 2014
First published: 03 Nov 2014

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New J. Chem., 2015,39, 631-638

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cis and trans influences on [Pt(SR_F)(triphos)]⁺ complexes (SR_F = polyfluorobenzothiolate)

R. Cervantes, J. Tiburcio and H. Torrens, New J. Chem., 2015, 39, 631 DOI: 10.1039/C4NJ01686F

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