Organogold oligomers: Exploiting iClick and aurophilic cluster formation to prepare solution stable Au4 repeating units

Yang, Xi; Wang, Shanshan; Ghiviriga, Ion; Abboud, Khalil A.; Veige, Adam S.

doi:10.1039/C5DT00282F

Title: Organogold oligomers: Exploiting iClick and aurophilic cluster formation to prepare solution stable Au₄ repeating units

Journal Article · Tue May 19 00:00:00 EDT 2015 · Dalton Transactions

DOI:https://doi.org/10.1039/C5DT00282F· OSTI ID:1225601

Yang, Xi ^[1]; Wang, Shanshan ^[1]; Ghiviriga, Ion ^[1]; Abboud, Khalil A. ^[1]; Veige, Adam S. ^[1]

Univ. of Florida, Gainesville, FL (United States)

A novel synthetic method to create gold based metallo–oligomers/polymers via the combination of inorganic click (iClick) with intermolecular aurophilic interactions is demonstrated. Complexes [PEt₃Au]₄(μ-N₃C₂C₆H₅) (1) and [PPhMe₂Au]₄3C₂C₆H₅) (2) and {[PEt₃Au]₄[(μ-N₃C₂)₂-9,9-dihexyl-9H-fluorene]}_n (8) have been synthesized via iClick. The tetranuclear structures of 1 and 2, induced by aurophilic bonding, are confirmed in the solid state through single crystal X-ray diffraction experiments and in solution via variable temperature NMR spectroscopy. The extended 1D structure of 8 is constructed by aurophilic induced self-assembly. ¹H DOSY NMR analysis reveals that the aurophilic bonds in 1, 2, and 8 are retained in the solution phase. The degree of polymerization within complex 8 is temperature and concentration dependent, as determined by ¹H DOSY NMR. The complex 8 is a rare example of a solution stable higher ordered structure linked by aurophilic interactions.

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Research Organization:: Univ. of Florida, Gainesville, FL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0010510

OSTI ID:: 1225601

Journal Information:: Dalton Transactions, Vol. 44, Issue 25; ISSN 1477-9226

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 23 works

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Title: Organogold oligomers: Exploiting iClick and aurophilic cluster formation to prepare solution stable Au4 repeating units

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