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- W2064963644 abstract "The new organic ligand, 3-(5-carboxy-2-chlorophenylaminomethylene)-2-methoxychroman-4-one was synthesized. The crystal structure, FTIR, UV–VIS and 1H NMR spectra, and thermal stability of this chromanone have been analysed. It is the first X-ray structure determination of 3-(5-carboxy-2-chlorophenylaminomethylene)-2-methoxychroman-4-one. It has been found that reaction between 3-formylchromone and 3-amino-4-chlorobenzoic acid allows to obtain derivative of 4-chromanone by the mechanism of nucleophilic addition, accompanied by the opening of the pyrone ring. The FTIR spectra and X-ray analysis showed the presence of methoxy-group and intramolecular and intermolecular hydrogen bonds. According to the thermal investigation this compound is stable up to 128 °C in air atmosphere, above this temperature the ligand decomposes. This chromanone may be used as precursor to synthesis metal chelates." @default.
- W2064963644 created "2016-06-24" @default.
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- W2064963644 date "2011-06-01" @default.
- W2064963644 modified "2023-09-24" @default.
- W2064963644 title "The new organic ligand: 3-(5-Carboxy-2-chlorophenylaminomethylene)-2-methoxychroman-4-one. Structural, spectral and thermal aspects" @default.
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- W2064963644 doi "https://doi.org/10.1016/j.molstruc.2011.05.003" @default.
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