Synthesis, characterization, and redox potential properties of a new double-stranded Ni-bis(hydrazone)-based helicate

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Title:	Synthesis, characterization, and redox potential properties of a new double-stranded Ni-bis(hydrazone)-based helicate
Authors:	Villada, Juan D. Carmona Vargas, Christian C. Alcides Ellena, Javier Ayala, Alejandro P. Ramírez Pradilla, Juan S. Combariza, M. Y. Galarza, Esperanza D'Vries, Richard Fernando Chaur, Manuel N.
Keywords:	Bis(hydrazones) Catalyzed hydrogen reduction Nickel helicates Supramolecular chemistry
Issue Date:	25-Aug-2020
Publisher:	Academic Press Inc.
Abstract:	Herein we report the synthesis and structural characterization of a new Ni-bis(hydrazone) complex with the chemical formula [Ni2(L)2(Cl)2](Cl)2·2H2O (L = 2-(heptylthio)-4,6-bis(2-((E)-pyridin-2-ylmethylene)hydrazineyl)pyrimidine). Suitable crystals for X-ray diffraction showed the supramolecular interactions of this complex to exhibit a helical structure coordinating two Ni2+ metal ions bounded by two 2-(heptylthio)-4,6-bis(2-((E)-pyridin-2-ylmethylene)hydrazineyl)pyrimidine ligands. In addition, exploitation of the electrochemical properties by cyclic voltammetry, for this helicate, showed catalyzing ability for the reduction of H+ to H2.
URI:	http://repository.usc.edu.co/handle/20.500.12421/4534
ISSN:	0022-4596
Appears in Collections:	Artículos Científicos

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