Post-synthetic modification of supramolecular assemblies of β-diketonato Cu(ii) complexes: comparing and contrasting the molecular topology by crystal structure and quantum computational studies
Abstract:Solvent-induced structural transformations on the metal coordination sphere in homoleptic (1 and 2) and heteroleptic (3 and 4) Cu(ii) complexes were analyzed and investigated by crystallographic and quantum computational studies.
“…The high values of the chemical potential and electrophilicity index indicate the presence of a strong and more reactive electrophile group which is eager to acquire an additional electronic load. 51…”
Seven novel coumarin derivatives were synthesized and the selection of suitable functional groups does the tailoring of the supramolecular synthons. The theoretical studies substantiated the structural analysis results.
“…The high values of the chemical potential and electrophilicity index indicate the presence of a strong and more reactive electrophile group which is eager to acquire an additional electronic load. 51…”
Seven novel coumarin derivatives were synthesized and the selection of suitable functional groups does the tailoring of the supramolecular synthons. The theoretical studies substantiated the structural analysis results.
“…The DFT calculations were performed using the hybrid B3LYP 39 functional along with the 6-311+G(d,p) and LANL2DZ basis sets. 40,41 The confirmation of the absence of negative frequencies, to ensure that the optimized structures were in local minima, was achieved by performing frequency calculations. GaussView 6 42 was used to obtain the FMO (Frontier molecular orbitals), including HOMO-LUMO and the molecular electrostatic potential.…”
Two new transition metal complexes of a dipyrazinylpyridine (dppy) ligand 3,4-diethoxyphenyl-2,6-di(pyrazine-2-yl)pyridine L, {[CuL2]Cl2 (1) and [ZnL2]Cl2 (2)} have been synthesized and characterised using NMR (for L and 2), UV-Vis spectroscopy,...
“…Recently, amino alcohols involved coordination compounds with the rst transitional metal such as Co 2+ , Cu 2+ and Zn 2+ and have already been studied because of their good anticancer activities and low toxicity. [22][23][24] What' more, amino alcohol complexes can also play a key role in catalysis one hand and become a vital aspect of human life on the other hand. Most of the rst-transition metal such as cobalt, copper and zinc complexes are all also very essential for living organisms.…”
A new type of coordination complexes related with the first transition metal and chiral amino alcohols can effectively fight against the human tumour cell line A549 with an IC50 value of 17.71 μM.
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