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Constitution of the fully supported gold(I)alkynyl (dmpme)·bis[gold(I)ethynyldimethylsilyl]methane in solution

  • Peter Heinrichs , Andreas Mix and Norbert W. Mitzel EMAIL logo
Published/Copyright: May 5, 2023
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 78 Issue 6

Abstract

The dimetallacyclic complex H2C(Me2SiC≡CAuPMe2)2CH2 has been synthesized, in which the two gold centers are bridged by the diphosphine dmpme (= bis(dimethylphosphino)methane) and a diethynyl ligand providing “full support” for the possible transannular Au–Au contact (3). This compound and its “semi-” and “unsupported” analogues (2, 1) have been characterized by NMR spectroscopy and elemental analysis. The monomeric nature of complex 3 in solution has been established using diffusion coefficients measured by DOSY-NMR spectroscopy and comparing the data with those of complexes 1 and 2 as references.

Keywords: aggregation in solution; DOSY-NMR; gold(I)alkynyls; gold(I)phosphanes
Corresponding author: Norbert W. Mitzel, Chair of Inorganic and Structural Chemistry, Bielefeld University, Universitätsstraße 25, D-33615 Bielefeld, Germany, E-mail:

Acknowledgements

The authors thank Barbara Teichner for performing the CHN analyses and Dr. Jens Spross for measuring the accurate mass.

  1. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflict of interest regarding this article.

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/znb-2023-0022).

Received: 2023-04-03
Accepted: 2023-04-15
Published Online: 2023-05-05
Published in Print: 2023-06-27

© 2023 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

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  2. In this issue
  3. Research Articles
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  8. Aminosilyl-substituted cyclopentadienyl complexes of alkali metals
  9. Constitution of the fully supported gold(I)alkynyl (dmpme)·bis[gold(I)ethynyldimethylsilyl]methane in solution
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https://doi.org/10.1515/znb-2023-0022
Keywords for this article
aggregation in solution; DOSY-NMR; gold(I)alkynyls; gold(I)phosphanes

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Research Articles
  4. Cobalt(II) and nickel(II) complexes based on 2,5-di(pyridine-4-yl)thiazolo[5,4-d]thiazole and dicarboxylate ligands: synthesis, structures and properties
  5. Crystal structure of the oxidotechnetate(V) complex Na2[(TcVO)(OTf)5] · 2(TfOH) with TfOH = trifluoromethanesulfonic acid
  6. Design, synthesis, and in-silico study of new letrozole derivatives as prospective anticancer and antioxidant agents
  7. Understanding formation of the InPd3 polymorphs: a DFT study
  8. Aminosilyl-substituted cyclopentadienyl complexes of alkali metals
  9. Constitution of the fully supported gold(I)alkynyl (dmpme)·bis[gold(I)ethynyldimethylsilyl]methane in solution
  10. About the pseudo-ternary alkali metal-thallium(I) dicyanamide systems
  11. Tb2Co(B2O5)2 and Tb2Cu(B2O5)2 – two new borates with gadolinite-type structures
  12. SrMg2Ga2 with ThCr2Si2-type structure
  13. Note
  14. Synthesis and characterization of diphenyl(pentachlorophenyl)phosphanegold(I) chloride
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