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Inorg Chem. 2001 Nov 05;40(23):6000-3. doi: 10.1021/ic0100774.

Photoreaction of platinum(II) beta-diketonate complexes with olefins.

Inorganic chemistry

F Wang, X Wu, A A Pinkerton, P Kumaradhas, D C Neckers

Affiliations

  1. Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43402, USA.

PMID: 11681916 DOI: 10.1021/ic0100774

Abstract

Pt(hfac)(2) [hfac = 1,1,1,5,5,5-hexafluoro-2,4-pentanedionato] reacts with ethylene when irradiated at 350 nm to yield a single photoproduct which we have isolated for the first time. X-ray diffraction reveals this to be Pt(hfac)(2)(eta(2)-C(2)H(4)), a five coordinated complex, with two bidentate hfac ligands remaining intact. When Pt(hfac)(2) and ethylene were irradiated at 300 nm, a second product that could not be isolated was detected by (1)H NMR and (19)F NMR. Pt(hfac)(2)(eta(2)-C(2)H(4)) was also shown not to be stable at shorter wavelengths. The corresponding photoproducts of Pt(hfac)(2) with propene and of Pt(tfac)(2) [tfac = 1,1,1-trifluoro-2,4-pentanedionato] with ethylene were detected by (1)H NMR spectroscopy.

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