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- W2028291808 abstract "Abstract It is shown from the proton resonances spectra of thallium(III) meso-tetraphenylporphyrin acetate that the intermolecular exchange of the acetato group has an activation energy of 4.1 kcal mol−1 in CD2Cl2. In the slow exchange region, the methyl and carbonyl carbons of the acetato group are observed at 18.8 ppm [with 3J(Tl13C) coupling constant 280 Hz] and 174.9 ppm [with 2J(Tl13C) coupling constant 235 Hz], respectively, at −90°C. The phenomenon of the rotation of phenyl groups in the complex from the angle 90−60° relative to the N4 plane to approximately 0° was identified and examined by using 13C and 1H NMR spectroscopy at various temperatures." @default.
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- W2028291808 date "1991-01-01" @default.
- W2028291808 modified "2023-09-25" @default.
- W2028291808 title "Dynamical NMR studies on thallium(III) meso-tetraphenylporphyrin acetate" @default.
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- W2028291808 doi "https://doi.org/10.1016/s0277-5387(00)86034-9" @default.
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