New approach for the simple and economic preparation of inorganic bromide salts

Facile continuous process for gas phase halogen exchange over supported alkyl phosphonium salts

“…Further in an economic approach Sasson and his coworkers effectively demonstrated the use of phase transfer catalyst in halogen exchange reaction at industrial level and laboratory-scale to convert inorganic bromide salts from the respective chloride salts by reaction with 1,2 dibromoethane. 31 The described simple technique avoids the corrosive and exothermic conditions of the conventional processes. 32 In continuations of the same study in the present work; we tried to establish a protocol for halogen exchange reaction as a convenient way to prepare a desired alkyl halide from corresponding alkyl halides using readily available and cheap alkyl phosphonium salts on supported solid phase (alumina or silica) for continuous gas phase process.…”

“…Further in an economic approach Sasson and his coworkers effectively demonstrated the use of phase transfer catalyst in halogen exchange reaction at industrial level and laboratory-scale to convert inorganic bromide salts from the respective chloride salts by reaction with 1,2 dibromoethane. 31 The described simple technique avoids the corrosive and exothermic conditions of the conventional processes. 32 …”