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Selective Alkylation of 2-Pyridone in Solvent-Free Conditions

✍ Scribed by Almena, I.; Díez-Barra, E.; de la Hoz, A.

Book ID
111671897
Publisher
Taylor and Francis Group
Year
1994
Tongue
English
Weight
223 KB
Volume
24
Category
Article
ISSN
0039-7911

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✍ J Shailaja; S Karthikeyan; V Ramamurthy 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 332 KB

Irradiation of N-methyl pyridone and N-ethyl pyridone included in b-cyclodextrin yields the photocylized product, chiral 2-azabicyclo[2.2.0]-hex-5-en-3-ones, in 60% enantiomeric excess. The inclusion complex is readily made by mechanically mixing the host b-cyclodextrin and the guest pyridone.