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Issue 3, 2016
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Remarkable stability of tetrabenzo[a,c,g,i]fluorenyl ammonium salts in water: syntheses, reactions, and crystal structures

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Abstract

Deprotonation of 8bH-tetrabenzo[a,c,g,i]fluorene (8bH-Tbf), an extremely large benzannulated cyclopentadienyl derivative, by [NR3R′][OH] (R = nBu, Et; R′ = nBu, Et, Bn) leads to a series of Tbf ammonium salts of the type [NR3R′][Tbf]. These cyclopentadienide analogs were smoothly isolated from a hydrous medium and structurally characterized by single X-ray diffraction. Subsequent reactions demonstrate the high potential of derivatization by converting the presented [Tbf] anions into functionalized Tbf compounds.

Graphical abstract: Remarkable stability of tetrabenzo[a,c,g,i]fluorenyl ammonium salts in water: syntheses, reactions, and crystal structures

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Article information


Submitted
21 Oct 2015
Accepted
24 Nov 2015
First published
25 Nov 2015

Dalton Trans., 2016,45, 1085-1092
Article type
Paper

Remarkable stability of tetrabenzo[a,c,g,i]fluorenyl ammonium salts in water: syntheses, reactions, and crystal structures

O. N. Frey, T. Stalling, F. Schlüter, W. Saak, M. Schmidtmann, D. Haase and R. Beckhaus, Dalton Trans., 2016, 45, 1085
DOI: 10.1039/C5DT04137F

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