High-field NMR study of the tautomers resulting from the condensation of 2-methylindole and phenalenone in the presence of p-toluenesulphonic acid

High-field NMR study of the tautomers resulting from the condensation of 2-methylindole and phenalenone in the presence of p-toluenesulphonic acid

As phenalene is an alternant hydrocarbon it is oxidized very easily to phenalenone, which condenses with various nitrogen nucleophiles in the presence of p‐toluenesulphonic acid. 2‐Methylindolylphenalene is obtained with 2‐ methylindole, together with other products. This product is a mixture of fiv...

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Veröffentlicht in:Magnetic resonance in chemistry 1992-08, Vol.30 (8), p.689-696
Hauptverfasser: Tort, F., Waegell, B., Zahra, J. P., Bernasconi, C., Germanaud, L., Bessibes, C., Bounoure, J.
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Sprache:eng
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2-Methylindolylphenalene tautomers
2D NMR
Atomic and molecular physics
Evolutive gas oils
Exact sciences and technology
Molecular properties and interactions with photons
Nuclear resonance and relaxation
Physics
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container_end_page 696
container_issue 8
container_start_page 689
container_title Magnetic resonance in chemistry
container_volume 30
creator Tort, F.
Waegell, B.
Zahra, J. P.
Bernasconi, C.
Germanaud, L.
Bessibes, C.
Bounoure, J.
description As phenalene is an alternant hydrocarbon it is oxidized very easily to phenalenone, which condenses with various nitrogen nucleophiles in the presence of p‐toluenesulphonic acid. 2‐Methylindolylphenalene is obtained with 2‐ methylindole, together with other products. This product is a mixture of five tautomers in equilibrium, and these were analysed by homo‐ and heteronuclear two‐dimensional high‐field NMR (500 MHz) spectroscopy.
doi_str_mv 10.1002/mrc.1260300802
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subjects 2-Methylindolylphenalene tautomers
2D NMR
Atomic and molecular physics
Evolutive gas oils
Exact sciences and technology
Molecular properties and interactions with photons
Nuclear resonance and relaxation
Physics
title High-field NMR study of the tautomers resulting from the condensation of 2-methylindole and phenalenone in the presence of p-toluenesulphonic acid
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