Complexes of dibenzo-24-crown-8 with some sodium monoalkyl benzeneazophosphonates |
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| Affiliation: | 1. Department of Chemistry, Shiraz Branch, Islamic Azad University, Shiraz, 71993−37635, Iran;2. Professor Rashidi Laboratory of Organometallic Chemistry, Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71467-13565, Iran;3. Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA, 93106, United States;1. School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing, 102206, China;2. State Key Laboratory of Photovoltaic Materials and Technology, Yingli Group Company Limited, 3399 North Chaoyang Avenue, Boading, 071051, China |
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| Abstract: | ![]()
Syntheses and properties of complexes of dibenzo-24-crown-8 with the sodium monoethyl ester and the sodium monobutyl ester of [α-(4-benzeneazoanilino)-N-benzyl]phosphonic acid, [α-(4-benzeneazoanilino)-N-4-hydroxybenzyl]phosphonic acid and [α-(4-benzeneazoanilino)-N-4-methoxybenzyl]phosphonic acid have been studied. The crystalline complexes formed were found to depend not only on the size of the cation and the crown ether cavity but also on the choice of anion and the reaction solvent. It was shown that the molecular structure and electronic configuration of the anion are important factors in a salt-ligand system which influence the case of solubilization and charge separation in solution. The complexes obtained were characterized on the basis of conductance measurements and UV, IR and 1H NMR spectra. |
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