Journal of Organic Chemistry p. 3426 - 3434 (1987)
Update date:2022-08-04
Topics:
Beccalli, Egle M.
Marchesini, Alessandro
The Vilsmeier-Haack reaction on isoxazolin-5-ones gives 2-(dialkylamino)-1,3-oxazin-6-ones, and a reaction path is proposed depending on substitution pattern of the isoxazolin-5-ones studied.A thermal equilibrium between the oxazinones, imino ketenes, and vinyl isocyanates is hypothesized to explain most of the chemical reactivity of the 2-(dialkylamino)-1,3-oxazin-6-ones.
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