Mononuclear and tetranuclear palladacycles with terdentate [C,N,N] and [C,N,O] Schiff base ligands. C–H versus C–Br activation reactions

Naya, Leticia; Vázquez‐García, Digna; López‐Torres, Margarita; Fernández, Alberto; Rodríguez, Antonio García; Gómez-Blanco, Nina; Vila, José M.; Fernández, Jesús J.

doi:10.1016/j.ica.2011.01.027

Inorganica Chimica Acta

2011

DOI: 10.1016/j.ica.2011.01.027

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Mononuclear and tetranuclear palladacycles with terdentate [C,N,N] and [C,N,O] Schiff base ligands. C–H versus C–Br activation reactions

Leticia Naya

Digna Vázquez‐García

Margarita López‐Torres

et al.

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Cited by 6 publications

(1 citation statement)

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“…[25][26][27] The bond lengths and angles appear reasonable for palladium (II) species with cyclometalated groups. [26][27][28][29][30] As all the ligands form N^N^C pincer-type complexes, the cyclometalated group is thus trans to the dimethylamino group, while the imine nitrogen is trans to the acetate in Pd1 and the iodide in Pd2. The Pd-N bond length trans to the carbon donor is longer than that the Pd-N trans to the halide as would be expected due to the stronger trans influence of the naphthyl ligand.…”

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Regioselective C–H/C–X activation of naphthyl-derived ligands to form six-membered palladacycles

Anderson

Balema

et al. 2016

Tetrahedron Letters

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Imine N^N^C-type pincer ligands were reacted with palladium(II) acetate and palladium(0) bis(dibenzylideneacetone) and the regioselective C-H and C-X activation was studied. C-X bonds that formed six-membered rings were selectively activated over C-H bonds; in addition sp 2 C-H bonds were selectively activated over sp 3 CH bonds. The formation and regioselectivity of the cyclometalated palladium(II) complexes were characterized by NMR, MS, and XRD. Photoluminescence studies of cyclopalladated complexes were conducted.

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mentioning

confidence: 99%

Regioselective C–H/C–X activation of naphthyl-derived ligands to form six-membered palladacycles

Anderson

Balema

et al. 2016

Tetrahedron Letters

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Preparation of Imidazol‐2‐ylidene Carbene Palladacycles with Bi‐ and Tridentate Schiff Bases – Analyses of the Spectroscopic, Molecular Structure, and DFT Calculation Data

et al. 2015

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The treatment of appropriate benzylideneimine palladacycles with potentially polydentate imidazol‐2‐ylidene silver carbene complexes produced new palladium organometallics with the N‐heterocyclic carbene (NHC) coordinated to the palladium center. The NHCs bearing two carbene moieties show a bridging coordination mode across the two metal atoms and may also display a simultaneous bridging/chelating behavior. DFT calculations were performed for the compounds for which the typical fluxional behavior of hemilabile carbenes was observed upon close inspection of the 1H NMR spectra. The crystal and molecular structure of 13 was determined by X‐ray crystallography and contrasted against the computational data for 14 to determine the most favorable disposition of the fluxional equilibrium of the latter.

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Novel palladacycle N-heterocyclic carbene complexes with bidentate [C,N] and terdentate [C,N,N] and [C,N,O] Schiff bases. Synthesis, characterization and crystal structure analysis

Naya

Vázquez‐García

Fernández

et al. 2014

Journal of Organometallic Chemistry

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Mononuclear and tetranuclear palladacycles with terdentate [C,N,N] and [C,N,O] Schiff base ligands. C–H versus C–Br activation reactions

Cited by 6 publications

References 48 publications

Regioselective C–H/C–X activation of naphthyl-derived ligands to form six-membered palladacycles

Regioselective C–H/C–X activation of naphthyl-derived ligands to form six-membered palladacycles

Preparation of Imidazol‐2‐ylidene Carbene Palladacycles with Bi‐ and Tridentate Schiff Bases – Analyses of the Spectroscopic, Molecular Structure, and DFT Calculation Data

Novel palladacycle N-heterocyclic carbene complexes with bidentate [C,N] and terdentate [C,N,N] and [C,N,O] Schiff bases. Synthesis, characterization and crystal structure analysis

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