Thiophane‐Catalyzed Umpolung of N‐Bromoimides for Dibromination of Olefins
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DOI: 10.1002/ejoc.202400055
Abstract: A thiophane‐catalyzed dibromination of olefins using NBS as the sole bromine source has been developed, providing a low‐cost and mild methodology for preparing vicinally dibrominated compounds from electron‐neutral or ‐deficient alkenes. The mechanistic investigation showed… read more here.
Keywords: umpolung bromoimides; bromoimides dibromination; dibromination olefins; thiophane catalyzed ... See more keywords
Mild and Efficient Vicinal Dibromination of Olefins Mediated by Aqueous Ammonium Fluoride
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DOI: 10.1055/s-0036-1588506
Abstract: A mild and efficient vicinal dibromination of olefins has been developed by using saturated aqueous ammonium fluoride solution as the promoter. Inexpensive and commercially available N -bromosuccinimide (NBS) was used as the brominating reagent. The… read more here.
Keywords: ammonium fluoride; vicinal dibromination; aqueous ammonium; dibromination olefins ... See more keywords