Imido-Gold Clusters: Synthesis and Magnetic Resonance Spectroscopy of “Gilded” Diamines

Andreas Grohmann; Hubert Schmidbaur

doi:10.1021/ic00042a010

Imido-Gold Clusters: Synthesis and Magnetic Resonance Spectroscopy of “Gilded” Diamines

Andreas Grohmann, Hubert Schmidbaur

Department of Chemistry

Technical University of Munich

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

22 Scopus citations

Abstract

Aliphatic and aromatic diamines H₂N-X-NH₂ (X = -CH₂CH₂-, M-C₆H₄, 1, 3-C₆H₄, 1, 2-C₆H₄) were reacted in THF with 2 equiv of tris[(triphenylphosphine)gold(I)]oxygen(l+) tetrafluoroborate, [O(AuL)₃]⁺BF₄^-, to yield bis(imido) cluster compounds of the type [(LAu)₃N-X-N(AuL)₃]²⁺(BF₄^-)₂ (L = PPh₃). The compounds were obtained as crystalline solids in high yields and were characterized by IR and NMR spectroscopy as well as mass spectrometry and elemental analysis. In the series of isomeric phenylene compounds, the increasing proximity of the two triaurioammonio substituents (para, meta, ortho) results in characteristic changes in ¹H and ³¹P NMR spectroscopic features whose diagnostic value is assessed in relation to similar species. Further auration to give hypercoordinated species could not be accomplished.

Original language	English
Pages (from-to)	3378-3380
Number of pages	3
Journal	Inorganic Chemistry
Volume	31
Issue number	16
DOIs	https://doi.org/10.1021/ic00042a010
State	Published - 1992

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title = "Imido-Gold Clusters: Synthesis and Magnetic Resonance Spectroscopy of “Gilded” Diamines",

abstract = "Aliphatic and aromatic diamines H2N-X-NH2 (X = -CH2CH2-, M-C6H4, 1, 3-C6H4, 1, 2-C6H4) were reacted in THF with 2 equiv of tris[(triphenylphosphine)gold(I)]oxygen(l+) tetrafluoroborate, [O(AuL)3]+BF4-, to yield bis(imido) cluster compounds of the type [(LAu)3N-X-N(AuL)3]2+(BF4-)2 (L = PPh3). The compounds were obtained as crystalline solids in high yields and were characterized by IR and NMR spectroscopy as well as mass spectrometry and elemental analysis. In the series of isomeric phenylene compounds, the increasing proximity of the two triaurioammonio substituents (para, meta, ortho) results in characteristic changes in 1H and 31P NMR spectroscopic features whose diagnostic value is assessed in relation to similar species. Further auration to give hypercoordinated species could not be accomplished.",

author = "Andreas Grohmann and Hubert Schmidbaur",

year = "1992",

doi = "10.1021/ic00042a010",

language = "English",

volume = "31",

pages = "3378--3380",

journal = "Inorganic Chemistry",

issn = "0020-1669",

publisher = "American Chemical Society",

number = "16",

}

TY - JOUR

T1 - Imido-Gold Clusters

T2 - Synthesis and Magnetic Resonance Spectroscopy of “Gilded” Diamines

AU - Grohmann, Andreas

AU - Schmidbaur, Hubert

PY - 1992

Y1 - 1992

N2 - Aliphatic and aromatic diamines H2N-X-NH2 (X = -CH2CH2-, M-C6H4, 1, 3-C6H4, 1, 2-C6H4) were reacted in THF with 2 equiv of tris[(triphenylphosphine)gold(I)]oxygen(l+) tetrafluoroborate, [O(AuL)3]+BF4-, to yield bis(imido) cluster compounds of the type [(LAu)3N-X-N(AuL)3]2+(BF4-)2 (L = PPh3). The compounds were obtained as crystalline solids in high yields and were characterized by IR and NMR spectroscopy as well as mass spectrometry and elemental analysis. In the series of isomeric phenylene compounds, the increasing proximity of the two triaurioammonio substituents (para, meta, ortho) results in characteristic changes in 1H and 31P NMR spectroscopic features whose diagnostic value is assessed in relation to similar species. Further auration to give hypercoordinated species could not be accomplished.

AB - Aliphatic and aromatic diamines H2N-X-NH2 (X = -CH2CH2-, M-C6H4, 1, 3-C6H4, 1, 2-C6H4) were reacted in THF with 2 equiv of tris[(triphenylphosphine)gold(I)]oxygen(l+) tetrafluoroborate, [O(AuL)3]+BF4-, to yield bis(imido) cluster compounds of the type [(LAu)3N-X-N(AuL)3]2+(BF4-)2 (L = PPh3). The compounds were obtained as crystalline solids in high yields and were characterized by IR and NMR spectroscopy as well as mass spectrometry and elemental analysis. In the series of isomeric phenylene compounds, the increasing proximity of the two triaurioammonio substituents (para, meta, ortho) results in characteristic changes in 1H and 31P NMR spectroscopic features whose diagnostic value is assessed in relation to similar species. Further auration to give hypercoordinated species could not be accomplished.

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U2 - 10.1021/ic00042a010

DO - 10.1021/ic00042a010

M3 - Article

AN - SCOPUS:0040126472

SN - 0020-1669

VL - 31

SP - 3378

EP - 3380

JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 16

ER -

Imido-Gold Clusters: Synthesis and Magnetic Resonance Spectroscopy of “Gilded” Diamines

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