Abstract
The reaction of sodium diethylphosphite with N-methoxypyridinium methosulfate in a solvent at low temperature makes it possible to obtain diethyl (2-pyridyl)phosphonate in yields up to 75%. The latter was converted to (2-pyridyl)-phosphonic acid dichloride, from which amides, esters, amidochlorides, and (pyridyl)thiophosphonic acid derivatives were obtained.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1354–1356, October, 1974.
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Eliseenkov, V.N., Bureva, N.V. & Ivanov, B.E. Some transformations in a number of (2-pyridyl)phosphonates. Chem Heterocycl Compd 10, 1182–1184 (1974). https://doi.org/10.1007/BF00470159
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DOI: https://doi.org/10.1007/BF00470159