Trinuclear magnesium complexes stabilized by aminoalkoxide ligands

Hyo Suk Kim; Sheby Mary George; Eun Ae Jung; Jeong Hwan Han; Bo Keun Park; Seung Uk Son; Chang Gyoun Kim; Taek Mo Chung

doi:10.1080/00958972.2016.1213389

Trinuclear magnesium complexes stabilized by aminoalkoxide ligands

Hyo Suk Kim
, Sheby Mary George
, Eun Ae Jung
, Jeong Hwan Han
, Bo Keun Park
, Seung Uk Son
, Chang Gyoun Kim
, Taek Mo Chung

Dept. of Materials Science & Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

New magnesium complexes, [Et₂Mg₃(dmamp)₄] (1) and [(CH₂=CH)₂Mg₃(dmamp)₄] (2), were prepared by the reaction of alkylmagnesium bromide with sodium 1-dimethylamino-2-methyl-2-propoxide [Na(dmamp)] in THF. Complexes 1 and 2 were characterized by ¹H and ¹³C NMR spectroscopies, FTIR spectroscopy, elemental analysis, and single-crystal X-ray diffraction (XRD) analysis. The XRD analysis showed that these complexes are trinuclear where the alkoxy O is the μ₂-O bridge between the Mg ions. Among the three metal centers, the two terminal Mg ions are five coordinate and have a square–pyramidal geometry, whereas the central Mg is four coordinate with a distorted tetrahedral geometry. The combination of ethyl and vinyl groups with sterically bulky aminoalkoxide ligands plays an important role in stabilizing the molecule.

Original language	English
Pages (from-to)	2591-2597
Number of pages	7
Journal	Journal of Coordination Chemistry
Volume	69
Issue number	17
DOIs	https://doi.org/10.1080/00958972.2016.1213389
State	Published - 1 Sep 2016

Keywords

aminoalkoxide
crystal structure
grignard reagent
Magnesium complexes
trinuclear

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10.1080/00958972.2016.1213389

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@article{880be8ef25f04a59b29009ba0e1feef8,

title = "Trinuclear magnesium complexes stabilized by aminoalkoxide ligands",

abstract = "New magnesium complexes, [Et2Mg3(dmamp)4] (1) and [(CH2=CH)2Mg3(dmamp)4] (2), were prepared by the reaction of alkylmagnesium bromide with sodium 1-dimethylamino-2-methyl-2-propoxide [Na(dmamp)] in THF. Complexes 1 and 2 were characterized by 1H and 13C NMR spectroscopies, FTIR spectroscopy, elemental analysis, and single-crystal X-ray diffraction (XRD) analysis. The XRD analysis showed that these complexes are trinuclear where the alkoxy O is the μ2-O bridge between the Mg ions. Among the three metal centers, the two terminal Mg ions are five coordinate and have a square–pyramidal geometry, whereas the central Mg is four coordinate with a distorted tetrahedral geometry. The combination of ethyl and vinyl groups with sterically bulky aminoalkoxide ligands plays an important role in stabilizing the molecule.",

keywords = "aminoalkoxide, crystal structure, grignard reagent, Magnesium complexes, trinuclear",

author = "Kim, \{Hyo Suk\} and George, \{Sheby Mary\} and Jung, \{Eun Ae\} and Han, \{Jeong Hwan\} and Park, \{Bo Keun\} and Son, \{Seung Uk\} and Kim, \{Chang Gyoun\} and Chung, \{Taek Mo\}",

note = "Publisher Copyright: {\textcopyright} 2016 Informa UK Limited, trading as Taylor \& Francis Group.",

year = "2016",

month = sep,

day = "1",

doi = "10.1080/00958972.2016.1213389",

language = "English",

volume = "69",

pages = "2591--2597",

journal = "Journal of Coordination Chemistry",

issn = "0095-8972",

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TY - JOUR

T1 - Trinuclear magnesium complexes stabilized by aminoalkoxide ligands

AU - Kim, Hyo Suk

AU - George, Sheby Mary

AU - Jung, Eun Ae

AU - Han, Jeong Hwan

AU - Park, Bo Keun

AU - Son, Seung Uk

AU - Kim, Chang Gyoun

AU - Chung, Taek Mo

PY - 2016/9/1

Y1 - 2016/9/1

N2 - New magnesium complexes, [Et2Mg3(dmamp)4] (1) and [(CH2=CH)2Mg3(dmamp)4] (2), were prepared by the reaction of alkylmagnesium bromide with sodium 1-dimethylamino-2-methyl-2-propoxide [Na(dmamp)] in THF. Complexes 1 and 2 were characterized by 1H and 13C NMR spectroscopies, FTIR spectroscopy, elemental analysis, and single-crystal X-ray diffraction (XRD) analysis. The XRD analysis showed that these complexes are trinuclear where the alkoxy O is the μ2-O bridge between the Mg ions. Among the three metal centers, the two terminal Mg ions are five coordinate and have a square–pyramidal geometry, whereas the central Mg is four coordinate with a distorted tetrahedral geometry. The combination of ethyl and vinyl groups with sterically bulky aminoalkoxide ligands plays an important role in stabilizing the molecule.

AB - New magnesium complexes, [Et2Mg3(dmamp)4] (1) and [(CH2=CH)2Mg3(dmamp)4] (2), were prepared by the reaction of alkylmagnesium bromide with sodium 1-dimethylamino-2-methyl-2-propoxide [Na(dmamp)] in THF. Complexes 1 and 2 were characterized by 1H and 13C NMR spectroscopies, FTIR spectroscopy, elemental analysis, and single-crystal X-ray diffraction (XRD) analysis. The XRD analysis showed that these complexes are trinuclear where the alkoxy O is the μ2-O bridge between the Mg ions. Among the three metal centers, the two terminal Mg ions are five coordinate and have a square–pyramidal geometry, whereas the central Mg is four coordinate with a distorted tetrahedral geometry. The combination of ethyl and vinyl groups with sterically bulky aminoalkoxide ligands plays an important role in stabilizing the molecule.

KW - aminoalkoxide

KW - crystal structure

KW - grignard reagent

KW - Magnesium complexes

KW - trinuclear

UR - https://www.scopus.com/pages/publications/84980344040

U2 - 10.1080/00958972.2016.1213389

DO - 10.1080/00958972.2016.1213389

M3 - Article

AN - SCOPUS:84980344040

SN - 0095-8972

VL - 69

SP - 2591

EP - 2597

JO - Journal of Coordination Chemistry

JF - Journal of Coordination Chemistry

IS - 17

ER -

Trinuclear magnesium complexes stabilized by aminoalkoxide ligands

Abstract

Keywords

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