Abstract
A new type of reaction has been discovered for trichloromethylarenes with pyridines. The reaction of 1-trichloromethyl-2,4,6-trimethylbenzene with 2-amino- and 2-amino-5-bromopyridines does not stop with formation of the pyridinium salt, but rather leads to unique amidines, namely, 1-[α-(2-pyridylimino)-2,4,6-trimethylbenzyl]-2-pyridonimine and its 5-bromo derivative.
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REFERENCES
L. I. Belen'kii, I. S. Poddubnyi, and M. M. Krayushkin, Tetrahedron Lett., 36, 5075 (1995).
L. I. Belen'kii, I. S. Poddubnyi, and M. M. Krayushkin, Khim. Geterotsikl. Soedin., 830 (1995).
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Poddubnyi, I.S., Belen'kii, L.I. & Krayushkin, M.M. Reactions of 1-Trichloromethyl-2,4,6-trimethylbenzene with 2-Amino- and 2-Amino-5-bromopyridines. Chemistry of Heterocyclic Compounds 36, 1169–1171 (2000). https://doi.org/10.1023/A:1002864531871
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DOI: https://doi.org/10.1023/A:1002864531871