Add time:07/11/2019         Source:sciencedirect.com

Treatment of 3-alkynylpyridine N-oxides with SeBr4 affords 2-R-3-bromoselenopheno[2,3-b]pyridine N-oxides, whose structures were confirmed by 1H, 13C, 77Se and 15N NMR spectroscopy and X-ray diffraction.

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