Preparation of 3-hydroxy-2,3-dialkoxy-2-phenylchroman-4-ones and 3,3-dihydroxy-2-alkoxy-2-phenylchroman-4-ones by oxidation of 3-hydroxyflavone with copper(II) bromide: Structure, reactivity and characterization

Beasley, Elizabeth M.; Bazemore, Joseph G.; Petrillo, Anthony; Padgett, Clifford W.; Lynch, W. E.; Quillian, Brandon

doi:10.1016/j.ica.2020.119855

Inorganica Chimica Acta

2020

DOI: 10.1016/j.ica.2020.119855

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Preparation of 3-hydroxy-2,3-dialkoxy-2-phenylchroman-4-ones and 3,3-dihydroxy-2-alkoxy-2-phenylchroman-4-ones by oxidation of 3-hydroxyflavone with copper(II) bromide: Structure, reactivity and characterization

Elizabeth M. Beasley

Joseph G. Bazemore

Anthony Petrillo

et al.

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Cited by 2 publications

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Condensation reactions of dialkoxy-2-phenylchroman-4-ones with 1,2-diamines: A method for the preparation of chromenoquinoxalines

Watkins,

Lee,

Ouedraogo

et al. 2023

Tetrahedron Letters

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Condensation reactions of dialkoxy-2-phenylchroman-4-ones with 1,2-diamines: A method for the preparation of chromenoquinoxalines

Watkins,

Lee,

Ouedraogo

et al. 2023

Tetrahedron Letters

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A (2-(Pyrrolidin-1-yl)ethan-1-olate)(1-oxo-3-phenyl-1,4-dihydronaphthalen-2-olate) μ-Oxo-Bridged Dicopper(II) Dimeric Complex

Artis,

Padgett,

Musso

et al. 2024

Molbank

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The reaction of 2-(1H-pyrrol-1-yl)ethanol with 3-hydroxyflavone in the presence of copper(II) bromide yielded a dimeric copper(II) complex, [μ-O-(κ2-O,O-flav)(κ2-N,O-2PEO)Cu]2 (1) (flav = 3-hydroxyflavonolate; 2PEO = 2-(1H-pyrrol-1-yl)ethanolate) with both the flav and 2PEO ligands bound to the copper(II) atom in a κ2-bonding mode. The dimer is held electrostatically by bridging oxygen atoms between two copper atoms. Complex 1 was characterized by single-crystal X-ray diffraction, infrared, and UV-Vis spectroscopy, elemental analysis, and melting point determination. The complex crystallizes in the monoclinic space group P21/n (14) with cell values of a = 11.85340(10) Å, b = 8.51480(10) Å, c = 23.8453(2) Å; β = 99.3920(10)°.

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Preparation of 3-hydroxy-2,3-dialkoxy-2-phenylchroman-4-ones and 3,3-dihydroxy-2-alkoxy-2-phenylchroman-4-ones by oxidation of 3-hydroxyflavone with copper(II) bromide: Structure, reactivity and characterization

Cited by 2 publications

References 19 publications

Condensation reactions of dialkoxy-2-phenylchroman-4-ones with 1,2-diamines: A method for the preparation of chromenoquinoxalines

Condensation reactions of dialkoxy-2-phenylchroman-4-ones with 1,2-diamines: A method for the preparation of chromenoquinoxalines

A (2-(Pyrrolidin-1-yl)ethan-1-olate)(1-oxo-3-phenyl-1,4-dihydronaphthalen-2-olate) μ-Oxo-Bridged Dicopper(II) Dimeric Complex

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