Three-Step Synthesis of 2-Acetyl-4-methyl-3,4-dihydropyran Oximes from Acetylbenzenes and Acetylene

I. V. Tatarinova; N. I. Protsuk; I. A. Ushakov; E. Yu. Schmidt; B. A. Trofimov

doi:10.1134/S1070428018040255

Three-Step Synthesis of 2-Acetyl-4-methyl-3,4-dihydropyran Oximes from Acetylbenzenes and Acetylene

Authors: Tatarinova I.V.¹, Protsuk N.I.¹, Ushakov I.A.¹, Schmidt E.Y.¹, Trofimov B.A.¹
Affiliations:
1. Favorskii Irkutsk Institute of Chemistry, Siberian Branch
Issue: Vol 54, No 4 (2018)
Pages: 659-661
Section: Short Communications
URL: https://journal-vniispk.ru/1070-4280/article/view/217676
DOI: https://doi.org/10.1134/S1070428018040255
ID: 217676

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Abstract

2-Acetyl-4-methyl-3,4-dihydropyrans reacted with hydroxylamine in pyridine to give (E)-1-(4-methyl-3,4-dihydro-2H-pyran-2-yl)ethan-1-one oximes in up to 85% yield with high stereoselectivity.