Synthesis, characterization, and structural determination of copper(II) complexes with alkyl derivatives of hydroxybenzophenones

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dc.creatorGonçalves, Cristiane Batista
dc.creatorMarinho, Maria Vanda
dc.creatorDias, Danielle Ferreira
dc.creatorSantos, Marcelo Henrique dos
dc.creatorMartins, Felipe Terra
dc.creatorDoriguetto, Antonio Carlos
dc.date.accessioned2023-11-30T11:23:28Z
dc.date.available2023-11-30T11:23:28Z
dc.date.issued2017
dc.description.abstractFour mononuclear copper(II) complexes, [Cu(LFQM-115)2] (1), [Cu(LFQM-116)2] (2), [Cu(LFQM-117)2] (3) and [Cu(octyloxy)2] (4) [LFQM-115 = 2-hydroxy-4-O-methylbenzophenone (C14H11O3), LFQM-116 = 2-hydroxy-4-O-butylbenzophenone (C17H18O3), LFQM-117 = 2-hydroxy-4-O-(33-dimethylallyl)benzophenone (C18H18O3) and octyloxy = 2-hydroxy-4-O-octylbenzophenone (C21H25O3)], have been prepared and investigated by infrared spectroscopy, thermal analysis, and powder and single crystal X-ray diffraction. Even though the synthesis and infrared analysis of 1, 2, and 4 have been reported previously, their crystal structures were elucidated for the first time here. In addition, the crystal structures of LFQM-116 and LFQM-117 were also determined by single crystal X-ray diffraction. The pseudo-translational symmetry found in LFQM-116 and the isomorphism between LFQM-115 and LFQM-117 are discussed. The complexes were prepared from a reaction of copper(II) nitrate trihydrate and the respective ligand in a (1:2) molar ratio in methanol (for 1 and 2) or THF (for 3 and 4) with addition of NaOH. Furthermore, crystallographic studies show that each copper(II) exhibits a square planar geometry, coordinated by four oxygens of two ligands. The nature and crystal packing of the intermolecular interactions are discussed. Compounds 2 and 3 are isomorphic crystals and all structures have the same supramolecular synthon.
dc.identifier.citationGONÇALVES, Cristiane Batista et al. Synthesis, characterization, and structural determination of copper(II) complexes with alkyl derivatives of hydroxybenzophenones. Journal of Coordination Chemistry, London, v. 70, n. 5, p. 898-913, 2017. DOI: 10.1080/00958972.2017.1280783. Disponível em: https://www.tandfonline.com/doi/full/10.1080/00958972.2017.1280783. Acesso em: 29 nov. 2023.
dc.identifier.doi10.1080/00958972.2017.1280783
dc.identifier.issn0095-8972
dc.identifier.issne- 1029-0389
dc.identifier.urihttps://www.tandfonline.com/doi/full/10.1080/00958972.2017.1280783
dc.language.isoeng
dc.publisher.countryGra-bretanha
dc.publisher.departmentInstituto de Química - IQ (RMG)
dc.rightsAcesso Restrito
dc.subjectHydroxybenzophenone
dc.subjectAlkyl derivatives
dc.subjectCopper(II) complexes
dc.subjectCrystal structures
dc.subjectXRD analysis
dc.titleSynthesis, characterization, and structural determination of copper(II) complexes with alkyl derivatives of hydroxybenzophenones
dc.typeArtigo

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