1,3-Dipolar Character of Six-membered Aromatic Rings. Part 49. 3-Oxido-1-(4-pyridyl)pyridinium, 3-Oxido-1-(2-pyridyl)pyridinium, 3-Oxido-1-(quinoxolin-2-yl)pyridinium, 3-Oxido-1-(5,6-diphenyl-1,2,4-triazin-3-yl)pyridinium, and 3-Oxido-1-(5-phenyl-1,2,4-tr

DOI: 10.1039/P19800000343

Source and publish data:

Journal of the Chemical Society. Perkin transactions I p. 343 - 353 (1980)

Update date:2022-08-03

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Authors:

Katritzky, Alan R.

Boonyarakvanich, Anongrat

Dennis, Nicholas

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Article abstract of DOI:10.1039/P19800000343

The title betaines are prepared: the two triazinyl betaines undergo spontaneous thermal dimerisation, and all add a variety of 2?, 4?, and/or 6? dipolarophiles.The regio- and stereo-chemistry of the addition are elucidated and rationalised.The pyridyl add

Full text of DOI:10.1039/P19800000343

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