Synthesis, characterization, and sorption activity of novel azo-colorants derived from phloroglucinol and antipyrine and their metal complexes

Two novel azo-colorants derived from phloroglucinol and antipyrine as well as 10 metal complexes with Co(ii), Ni(ii), Zn(ii), Cu(ii), and Cd(ii) were isolated and studied by a set of methods (1H, 13C NMR, IR, UV-VIS, EPR, X-ray structure determination). The azo-coupling of phloroglucinol with a 5-pyrazolone amino-derivative led to the isolation of a colorant H3L1 which was presented in the hydroxy-azo tautomeric form. At nitrosation of H3L1, the product H3L2 was isolated, which can be described as tri-oxo di-hydroxylamino hydrazone. According to the X-ray structure determination, the Cd-complex of H3L1 exhibited the dimeric form with two unionized organic ligands in the inner sphere. It was also found that chloride anions bridge two cadmium cations to form dimers. According to EPR spectra, the Cu-complex with H3L1 exhibited distorted tetragonal symmetry associated with the dx2-y2 ground state rather than dz2, and the corresponding Cu-H3L2 complex was described by a cubic symmetry of the coordination medium. Both H3L1, H3L2, and their metal complexes show coloristic activity towards wool, polyamide, and polyacetate fibers, which are strongly resistant towards UV-irradiation. The H3L2 compound possessed good sorption activity towards heavy metal cations from aqueous solutions of trace concentrations both under static and dynamic conditions. © The Royal Society of Chemistry.

Авторы
Nguyen A.V.1 , Vu A.T.N. 2, 9 , Bazan L.V.3 , Galeev R.T.3 , Utenyshev A.N. 4 , Markova E.B. 5 , Le V.T.7, 8 , Kovalchukova O.V. 5, 6
Журнал
Номер выпуска
2
Язык
Английский
Страницы
888-898
Статус
Опубликовано
Том
12
Год
2022
Организации
  • 1 Faculty of Food Science and Technology, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tan Phu District, Ho Chi Minh City, 72000, Viet Nam
  • 2 Pharmaceutical Department of Buon Ma Thuot University, 298 Ha Huy Tap, Buon Ma Thuot Daklak630000, Viet Nam
  • 3 E. K. Zavoisky Physical-Technical Institute, Frc Kazan Scientific Center of Ras, Kazan, 420029, Russian Federation
  • 4 Semenov Institute of Problems of Chemical Physics Ras 1, Academician Semenov Avenue, Chernogolovka, Moscow Region, 142432, Russian Federation
  • 5 Kosygin Russian State University (Technology, Design, Art), 33, Sadovnicheskaya Street, Moscow, 117997, Russian Federation
  • 6 Peoples' Friendship University of Russia (RUDN University), 6, Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
  • 7 Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, 55000, Viet Nam
  • 8 The Faculty of Natural Science, Duy Tan University, 03 Quang Trung, Da Nang, 55000, Viet Nam
  • 9 Environmental Analysis Laboratory, Southern Branch of Vietnam-Russia, Tropical Center, 3/2 Street District 10, Ho Chi Minh City, 740500, Viet Nam
Ключевые слова
Cadmium compounds; Chlorine compounds; Cobalt compounds; Coordination reactions; Copper compounds; Electron spin resonance spectroscopy; Ground state; Heavy metals; Irradiation; Nickel compounds; Positive ions; Synthesis (chemical); Trace elements; Zinc compounds; 13C NMR; Azo coupling; Cd complex; Hydrazones; Nitrosation; Phloroglucinol; Pyrazolones; Tautomeric forms; X-ray structure determinations; Metal complexes
Дата создания
06.07.2022
Дата изменения
06.07.2022
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/83938/
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