The indanyl cation: a real time observation

The indanyl cation: a real time observation

A stopped‐flow investigation by U.V. spectroscopy has been carried out using various reactions which yield the indanyl cation: polymerization of indene by trifluoromethane sulfonic acid (TfOH), ionization of 1‐chloroindane by antimony pentafluoride and protonation of a dimer of indene (2‐α‐indanyl i...

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Veröffentlicht in:Macromolecular symposia. 2000-07, Vol.157 (1), p.77-92
Hauptverfasser: Givehchi, M., Polton, A., Tardi, M., Moreau, M., Sigwalt, P., Vairon, J.-P.
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Sprache:eng
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Antimony
Cations
Dimers
Indene
Ionization
Monomers
Real time
Sulfonic acid
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container_issue 1
container_start_page 77
container_title Macromolecular symposia.
container_volume 157
creator Givehchi, M.
Polton, A.
Tardi, M.
Moreau, M.
Sigwalt, P.
Vairon, J.-P.
description A stopped‐flow investigation by U.V. spectroscopy has been carried out using various reactions which yield the indanyl cation: polymerization of indene by trifluoromethane sulfonic acid (TfOH), ionization of 1‐chloroindane by antimony pentafluoride and protonation of a dimer of indene (2‐α‐indanyl indene) by TfOH, at variable temperature. The monomer and dimer cations present a main absorption at 318‐325 nm and the polyindene cation at 330 nm. A side reaction yields a derived cation, which absorbs at 519 nm. The molar absorbance of the indanyl cation has been estimated (ϵ=15 500 L.mol.−1 cm−1).
doi_str_mv 10.1002/1521-3900(200007)157:1<77::AID-MASY77>3.0.CO;2-5
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source Wiley Online Library Journals Frontfile Complete
subjects Antimony
Cations
Dimers
Indene
Ionization
Monomers
Real time
Sulfonic acid
title The indanyl cation: a real time observation
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