Synthesis and Structure of a New Polydentate 8-Hydroxyquinoline Ligand System with a 1,3-Tropolone Fragment at Position 2 in the Quinoline Ringстатья
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Дата последнего поиска статьи во внешних источниках: 9 декабря 2016 г.
Аннотация:An original three-step method has been developed for the synthesis of a new polydentate 8-hydroxyquinoline ligand system with a 1,3-tropolone fragment at position 2 of the quinoline ring. X-ray diffraction structural analysis, H-1 and C-13 NMR spectroscopy, and quantum-chemical calculations showed that this ligand exists in the NH-tautomeric form with the phenolic hydroxyl group in the exo position of the quinoline ring.