Synthesis and X-ray crystal structure of 1,2,4,6,7,9-hexafluorodibenzo- p dioxin

1,2,4,6,7,9-Hexafluorodibenzo- p-dioxin was synthesized from 2,3,4,6-tetrafluorophenol in the presence of sodium-t-butylate. An X-ray structure analysis has been performed. The molecule is essentially planar and possesses a centre of inversion. The C-C bond distances range from 136.3(7) to 138.3(6)...

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Bibliographic Details
Published in:Journal of fluorine chemistry 1995-08, Vol.73 (2), p.265-266
Main Authors: Haffer, Ursula, Rotard, Wolfgang, Pickardt, Joachim
Format: Article
Language:English
Subjects:
Hexafluorodibenzo- p-dioxin
IR spectroscopy
Mass spectrometry
Synthesis
X-Ray structure analysis
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Summary:1,2,4,6,7,9-Hexafluorodibenzo- p-dioxin was synthesized from 2,3,4,6-tetrafluorophenol in the presence of sodium-t-butylate. An X-ray structure analysis has been performed. The molecule is essentially planar and possesses a centre of inversion. The C-C bond distances range from 136.3(7) to 138.3(6) pm and the C-F distances from 133.8(5) to 134.5(6) pm. The C-O distances are 137.8(5) and 139.1(6) pm, respectively.
ISSN:0022-1139
1873-3328
DOI:10.1016/0022-1139(95)03236-7