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Observations on the use of triphenylphosphonium bromide as a mild and quantifiable source of hydrogen bromide for chemoselective ring opening of epoxides to bromohydrins

Afonso, CAM; Vieira, NML; Motherwell, WB; (2000) Observations on the use of triphenylphosphonium bromide as a mild and quantifiable source of hydrogen bromide for chemoselective ring opening of epoxides to bromohydrins. SYNLETT (3) 382 - 384.

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Abstract

The chemoselective ring opening of epoxides to bromohydrins in the presence of ketal, benzyloxymethoxy and trimethylsilyl ether functionality using triphenylphosphonium bromide is described. The preparation of a polymer supported variant is also reported.

Type:Article
Title:Observations on the use of triphenylphosphonium bromide as a mild and quantifiable source of hydrogen bromide for chemoselective ring opening of epoxides to bromohydrins
Keywords:triphenylphosphonium bromide, epoxide ring opening, bromohydrins, ALCOHOLS
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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