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

Priti Sharma; Yoel Sasson

doi:10.1039/c7ra12579h

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

Priti Sharma^*, Yoel Sasson

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Chloride-bromide halogen exchange was realized when a mixture of an alkyl chloride and an alkyl bromide were reacted over a supported molten alkyl phosphonium catalyst. Conversion was found to be near equilibrium in a tubular flow reactor at 150 °C and 1500 GHSV. The catalyst was prepared by impregnation of alumina or silica support and found to be highly stable for relatively long periods of time. A pathway for the catalytic cycle is proposed.

Original language	English
Pages (from-to)	2824-2828
Number of pages	5
Journal	RSC Advances
Volume	8
Issue number	5
DOIs	https://doi.org/10.1039/c7ra12579h
State	Published - 2018

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Publisher Copyright:
© The Royal Society of Chemistry 2018.

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abstract = "Chloride-bromide halogen exchange was realized when a mixture of an alkyl chloride and an alkyl bromide were reacted over a supported molten alkyl phosphonium catalyst. Conversion was found to be near equilibrium in a tubular flow reactor at 150 °C and 1500 GHSV. The catalyst was prepared by impregnation of alumina or silica support and found to be highly stable for relatively long periods of time. A pathway for the catalytic cycle is proposed.",

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AB - Chloride-bromide halogen exchange was realized when a mixture of an alkyl chloride and an alkyl bromide were reacted over a supported molten alkyl phosphonium catalyst. Conversion was found to be near equilibrium in a tubular flow reactor at 150 °C and 1500 GHSV. The catalyst was prepared by impregnation of alumina or silica support and found to be highly stable for relatively long periods of time. A pathway for the catalytic cycle is proposed.

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

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