Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about Synthesis, spectral and structural studies on NiS2PN and NiS2P2 chromophores and use of Ni(II) dithiocarbamate to synthesize nickel sulfide and nickel oxide for photodegradation of dyes.Application In Synthesis of 1,2-Bis(diphenylphosphino)ethane.
The substitution of one of the dithiocarbamate ligands in homoleptic [Ni(dtc)2] (1) complex (dtc = N,N-di(4-methoxybenzyl)dithiocarbamate) with phosphine ligands gave heteroleptic [Ni(dtc)(PPh3)(NCS)] (2), [Ni(dtc)(PPh3)2] ClO4 (3) and [(dtc)(dppe)] ClO4 (4) complexes. The complexes 2-4 were characterized by elemental anal., spectroscopy and single crystal x-ray diffraction anal. Single crystal x-ray diffraction studies revealed that 2-4 adopt distorted square planar geometry. Noncovalent interactions in 2-4 were quantified using Hirshfeld surface anal. The study of single crystal x-ray diffraction of 2-4 shows that various interactions such as C-H···π (chelate), C-H···π, C-H···O and C-H···S among mols. of complexes 2-4, participate in cooperative way to stabilize the supramol. interactions. DFT calculations were used to determine the electronic structure and properties of 2. The HOMO-LUMO energy difference (2.7445 eV) is small which shows the low kinetic stability of 2. Nanoparticles of Ni sulfide and Ni oxide were successfully synthesized by solvothermal and thermal decomposition of 1, resp. and characterized by powder x-ray diffraction (PXRD), High Resolution SEM (HRSEM), Energy Dispersive Spectroscopy (EDS) and UV Diffuse Reflectance Spectroscopy (UV-DRS). The photocatalytic activity of both nanoparticles was studied for degradation of methylene blue and rhodamine 6G under UV irradiation The Ni oxide has higher photocatalytic activity than Ni sulfide.
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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis