Results 21 to 30 of about 1,519 (209)

Cyclometallated Palladium(II) Complexes: An Approach to the First Dinuclear Bis(iminophosphorane)phosphane-[C,N,S] Metallacycle

Molecules, 2022
Treatment of bis(iminophosphorane)phosphane ligands 2a–2e with Li2PdCl4 gave a set of novel diphosphane-derived complexes bearing two metallacycle rings, each one enclosing a P=N double bond: the unprecedented bis(iminophosphorane)phosphane-[C,N,S ...
Marcos Rúa-Sueiro, Paula Munín-Cruz, Adolfo Fernández, Juan M. Ortigueira, María Teresa Pereira, José M. Vila   +5 more
doaj   +1 more source

Study on the Effect of the Ligand Structure in Palladium Organometallic Catalysts in the Suzuki–Miyaura Cross-Coupling Reaction

Chemistry Proceedings, 2021
In this communication, we present the results obtained using a family of cyclometallated palladium compounds as catalysts for the Suzuki–Miyaura cross-coupling reaction between an aryl halide and phenylboronic acid. We have studied the structural factors
Paula Munín-Cruz, Marcos Rúa-Sueiro, Juan Manuel Ortigueira, María Teresa Pereira, José Manuel Vila   +4 more
doaj   +1 more source

X-ray Diffraction Study of Fluorine-Functionalized Thiosemicarbazones and Cyclometallated Compounds

Chemistry Proceedings, 2022
In this work, an X-ray diffraction study of fluorine-functionalized thiosemicarbazone ligands and their corresponding cyclometallated compounds is discussed.
Marcos Rúa-Sueiro, Paula Munín-Cruz, Juan M. Ortigueira, José M. Vila   +3 more
doaj   +1 more source

Palladacycles as Functionalized Metal-Ligand Precursors, Contain Tridentate [Csp², N, S] Ligands

Chemistry Proceedings, 2021
The reactivity of R–CH=N–(C6H4–2–SMe) with R = 4–Br–C6H5, R = 3–Br–C6H5, R = 2–Cl–C6H5 with palladium (II) salts was investigated in this study. We were able to prepare and characterize the cyclometallation complexes.
Basma Al Janabi, Jose Manuel Vila, Juan M. Ortigueira   +2 more
doaj   +1 more source

Steric effects on acetate-assisted cyclometallation of meta-substituted N-phenyl and N-benzyl imidazolium salts at [MCl2Cp*]2 (M = Ir, Rh).

Dalton Transactions, 2021
meta-Substituted N-phenyl,N'-methyl and N-benzyl,N'-methyl imidazolium salts undergo acetate-assisted cyclometallation to provide mixtures of ortho and para substituted cyclometallated complexes.
D. Davies, Kuldip Singh, Neringa Tamosiunaite   +2 more
semanticscholar   +1 more source

Synthesis and X-ray Diffraction Study of thiosemicarbazone Palladacycles with dppm

Proceedings, 2021
Cyclometallated compounds have been extensively studied, in particular those with palladium and platinum. This is because of their possible applications in medicinal chemistry, as anticancer or antimicrobial agents; in some cases, with similar results as
Marcos Rúa-Sueiro, Paula Munin-Cruz, Francisco Reigosa, José M. Vila, Juan M. Ortigueira   +4 more
doaj   +1 more source

Au(III) Cyclometallated Compounds with 2-Arylpyridines and Their Derivatives or Analogues: 34 Years (1989–2022) of NMR and Single Crystal X-ray Studies

Inorganics, 2023
A review paper on Au(III) cyclometallated compounds with 2-arylpyridines (2-phenylpyridine, 2-benzylpyridine, 2-benzoylpyridine, 2-phenoxypyridine, 2-phenylsulfanylpyridine, 2-anilinopyridine, 2-(naphth-2-yl)pyridine, 2-(9,9-dialkylfluoren-2-yl)pyridines,
Leszek Pazderski, Pavel A. Abramov
doaj   +1 more source

Excited-state behavior and photoinduced electron transfer of pH-sensitive Ir(III) complexes with cyclometallation (C/N–) ratios between 0/6 and 3/3

, 2021
The first coordination sphere of Ir(III) 2,2′-bipyridine / 2-phenylpyridine complexes can be tuned to achieve either C– or N–chelation in ratios that range between 0/6 and 3/3.
C. Lentz, L. Marcélis, Ludovic Troian-Gautier, K. Robeyns, E. Cauët, B. Elias   +5 more
semanticscholar   +1 more source

Non-redox Lewis Acids Supported Pd-Catalyzed C-C /C-H Activation and Accession to Produce Pharmaceutical Intermediates. [PDF]

ChemistryOpen
Palladium is a simple and versatile redox‐active metal that plays a crucial role in the oxidation reactions for organic synthesis and production of pharmaceutical intermediates. Notably, there has been significant progress with Lewis acids (LAs), which are non‐redox metal ions promoting Pd(II)‐catalyzed oxidation via C—H and C—C bond activation.
Senan AM, Akkoc S, Abdulkarem AM, Alhag SK.   +3 more
europepmc   +2 more sources

Modification of the Bridging Unit in Luminescent Pt(II) Complexes Bearing C^N*N and C^N*N^C Ligands

Chemistry, 2023
In this work, we explored the synthesis and characterization of Pt(II) complexes bearing different tri- and tetradentate luminophores acting as C^N*N- and C^N*N^C-chelators.
Stefan Buss, María Victoria Cappellari, Alexander Hepp, Jutta Kösters, Cristian A. Strassert   +4 more
doaj   +1 more source