Abstract:
2-Acetyl-3,4-dihydropyrans, synthesized from acetylene and ketones in two steps, react with hydroxylamine to afford 5-hydroxy-1,6-heptanedione dioximes (E,E-isomers) in 72–96% yields.
Citation:
E. Yu. Schmidt, I. V. Tatarinova, N. I. Protsuk, I. A. Ushakov, B. A. Trofimov, “Dioximes of 1,6-heptanediones from acetylene and ketones: only three atom-economic steps”, Mendeleev Commun., 28:2 (2018), 143–144
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https://www.mathnet.ru/eng/mendc1692
https://www.mathnet.ru/eng/mendc/v28/i2/p143
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