Synthesis, characterization and crystal structures of Ni(II) and Cu(I) complexes with the condensation product of 2-(diphenylphosphino)benzaldehyde and 1-hydrazinophthalazine

Phosphino hydrazones represent a versatile class of nitrogen‐containing phosphine ligands. Herein, we report a modular synthesis of phosphino hydrazone ligands by hydrazone condensation reaction of three different aryl hydrazines with 3‐(diphenylphosphino)propanal (PCHO). Complexation reactions of these phosphino hydrazone ligands with palladium(II) and platinum(II) were investigated and the catalytic activity of the palladium(II) complexes was explored in a Cu‐free Sonogashira cross‐coupling reaction achieving yields up to 96 %. Additionally it was shown that the catalytically active species is homogeneous.

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Modular Synthesis of Phosphino Hydrazones and Their Use as Ligands in a Palladium‐Catalysed Cu‐Free Sonogashira Cross‐Coupling Reaction

Baweja

Kazimir

Lönnecke

et al. 2023

ChemPlusChem

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Synthesis, structural and DFT analysis of a binuclear nickel(II) complex with the 1,4-bis[2-[2-(diphenylphosphino)benzylidene]]phthalazinylhydrazone ligand

et al. 2019

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Synthesis, characterization, spectroscopic properties and antihypertensive activity of 4-chlorobenzaldehyde hydralazine hydrazone and its metal complexes

Bakale

Naik²,

Machakanur³

et al. 2022

J IRAN CHEM SOC

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Synthesis, characterization and crystal structures of Ni(II) and Cu(I) complexes with the condensation product of 2-(diphenylphosphino)benzaldehyde and 1-hydrazinophthalazine

Cited by 6 publications

References 52 publications

Modular Synthesis of Phosphino Hydrazones and Their Use as Ligands in a Palladium‐Catalysed Cu‐Free Sonogashira Cross‐Coupling Reaction

Modular Synthesis of Phosphino Hydrazones and Their Use as Ligands in a Palladium‐Catalysed Cu‐Free Sonogashira Cross‐Coupling Reaction

Synthesis, structural and DFT analysis of a binuclear nickel(II) complex with the 1,4-bis[2-[2-(diphenylphosphino)benzylidene]]phthalazinylhydrazone ligand

Synthesis, characterization, spectroscopic properties and antihypertensive activity of 4-chlorobenzaldehyde hydralazine hydrazone and its metal complexes

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