Synthesis of <i>gem</i>-dibromo 1,3-oxazines by NBS-mediated electrophilic cyclization of propargylic amides

Zhang, Huaxing; Bai, Jiang; Yang, Ruchun; Song, Xian‐Rong; Song, Xian‐Rong

doi:10.1039/d3ob00623a

Org. Biomol. Chem.

2023

DOI: 10.1039/d3ob00623a

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Synthesis of gem-dibromo 1,3-oxazines by NBS-mediated electrophilic cyclization of propargylic amides

Huaxing Zhang

Jiang Bai

Ruchun Yang

et al.

Abstract: We present a highly efficient and practical method for synthesizing gem-dibromo 1,3-oxazines through 6-endo-dig cyclization of propargylic amides, using N-bromosuccinimide (NBS) as an electrophilic source. The metal-free reaction can be...

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Synthesis of gem-dibromo 1,3-oxazines by NBS-mediated electrophilic cyclization of propargylic amides

Abstract: We present a highly efficient and practical method for synthesizing gem-dibromo 1,3-oxazines through 6-endo-dig cyclization of propargylic amides, using N-bromosuccinimide (NBS) as an electrophilic source. The metal-free reaction can be...

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References 35 publications

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