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Continuous Preparation and Use of Dibromoformaldoxime as a Reactive Intermediate for the Synthesis of 3‑Bromoisoxazolines

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posted on 03.08.2017, 00:00 by Claudio Battilocchio, Francesco Bosica, Sam M. Rowe, Bruna L. Abreu, Edouard Godineau, Matthias Lehmann, Steven V. Ley
We report the multistep continuous process for the preparation of dibromoformaldoxime (DBFO) as a precursor to generate 3-bromoisoxazolines. We also report process improvements that afford a productivity of over 620 mmol h–1 of DBFO.