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Synthesis 1994; 1994(5): 479
DOI: 10.1055/s-1994-25506
short paper
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A Convenient and Economic Way to Produce Anhydrous Hydrogen Bromide

Xian-hong Wang* , Manfred Schlosser
  • *Institut de Chimie organique de l'Université, Rue de la Barre 2, CH-1005 Lausanne, Switzerland
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Publikationsdatum:
17. September 2002 (online)

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Bromide promoted decomposition of tert-butyl bromide in the presence of triphenylphosphine gives, besides isobutene, hydrogen(triphenyl)phosphonium bromide. When heated to approximately 150°C in the presence of xylene, the latter salt liberates hydrogen bromide which may then be trapped in an aprotic solvent such as diethyl ether.