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Communication | Special issue | Vol 42, No. 1, 1996, pp.35-38
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S3-1
Beckmann Rearrangement of 4,5,6-Trisubstituted 3-Acetylpyridin-2-one Oximes

Yutaka Yamamoto and Yoshitaka Ogawa

*Tohoku Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan

Abstract

Beckmann rearrangement of 4,5,6-trisubstituted 3-acetylpyridin-2-one oximes took place, involving equilibrium between the methyl-syn and -anti forms, to give exclusively 4,5,6-trisubstituted 3-acetylaminopyridin-2-ones in satisfactory yields.