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32.5.5.1.1.4 Variation 4: Cyclization of N-Propargylhydroxylamines

DOI: 10.1055/sos-SD-032-00750

Sartori, G.; Maggi, R.Science of Synthesis, (200832789.

Propargylic hydroxylamines 31 are easily and efficiently prepared following conventional synthetic sequences. These compounds are converted into the corresponding 2,3-dihydroisoxazoles 32 by a zinc(II) iodide catalyzed ring-closure reaction (Scheme 10).[‌9‌]

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References


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