Related Products of 1663-45-2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about Synthesis, crystallographic studies, antibacterial and antifungal activities of mononuclear mercury(II) complexes derived from [PPh2(CH2)nPPh2CH2C(O)C6H4Cl]Br ligands.
This account describes authors recent studies on zwitterionic mercury(II) complexes with two diphosphonium salts, [PPh2(CH2)nPPh2CH2C(O)C6H4Cl]Br (n = 1 (S1) and 2 (S2)), derived from 1,2-bis(diphenyl-phosphino)methane (dppm) and 1,2-bis(diphenyl-phosphino)ethane (dppe). These complexes were synthesized through reactions between diphosphonium salts and HgX2 in equimolar ratio and characterized by elemental anal., IR, 1H, 13C and 31P NMR spectroscopic methods. The structure of complex [HgI2Br(PPh2(CH2)2PPh2CH2C(O)C6H4Cl)] (6) was determined by a single crystal x-ray structural anal. The results indicated that the mercury center in this complex is four-coordinated in a distorted tetrahedral configuration. The results confirmed that the coordination of ligand to metal occurred through the phosphine group (P-coordination mode). Furthermore, antibacterial/antifungal activities of the diphosphonium ligands and their complexes were tested against two Gram-neg. bacteria Escherichia coli (ATCC 25922) and Pseudomonas aeruginosa (ATCC 9027) and two Gram-pos. bacteria Staphylococcus aureus (ATCC 6538) and Bacillus subtilis (ATCC 6633) as well as two fungi (Geotrichum sp. and Candida albicans). It seems that the chem. compounds reported herein may be used for control of pathogenic bacteria/fungi.
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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