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


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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.

About the authors

I. V. Tatarinova

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Russian Federation, ul. Favorskogo 1, Irkutsk, 664033

N. I. Protsuk

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Russian Federation, ul. Favorskogo 1, Irkutsk, 664033

I. A. Ushakov

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Russian Federation, ul. Favorskogo 1, Irkutsk, 664033

E. Yu. Schmidt

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Russian Federation, ul. Favorskogo 1, Irkutsk, 664033

B. A. Trofimov

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Author for correspondence.
Email: boris_trofimov@irioch.irk.ru
Russian Federation, ul. Favorskogo 1, Irkutsk, 664033

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