Journal of Organic Chemistry p. 4776 - 4780 (2011)
Update date:2022-08-06
Topics: Palladium-Catalyzed Aziridines Azlactones Ring-expansion γ-methylidene-δ-valerolactones
Shintani, Ryo
Ikehata, Keiichi
Hayashi, Tamio
A palladium-catalyzed formal [6 + 3] cyclization of γ-methylidene- δ-valerolactones with aziridines has been developed to produce 1,4-oxazonan-9-ones, a class of nine-membered azlactones that are not easily accessible by existing methods. The products thus obtained can also be further functionalized with ease.
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