Aromaticity - PowerPoint PPT Presentation
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Aromaticity
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... as a base and the pyridinium cation. pKa: 5.2. The pyrylium cation. Tautomerism. 2- and 4-pyrones. Pyridones / Hydroxypyridines. 5-Membered ring heteroaromatics ... – PowerPoint PPT presentation
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Title: Aromaticity
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Aromaticity
Hückel
Benzene
Naphtalene
6-Membered ring heteroaromatics
Pyridine
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Pyridine as a base and the pyridinium cation
pKa 5.2
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The pyrylium cation
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Tautomerism
Pyridones / Hydroxypyridines
2- and 4-pyrones
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5-Membered ring heteroaromatics
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NMR Spectroscopy
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Bakkestuen, et al. Org. Biol. Chem, 2005, 3, 1025
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