Isomerisation of 1,4-dichlorobenzene using highly acidic alkali chloroaluminate melts

Isomerisation of 1,4-dichlorobenzene using highly acidic alkali chloroaluminate melts

The isomerisation reaction of 1,4-dichlorobenzene leading to the thermodynamically favoured and technically desired 1,3-dichlorobenzene has been studied comparing highly acidic chloroaluminate melts with organic imidazolium and alkali metal ions. Interestingly, the inorganic melts show much higher r...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2014-10, Vol.50 (79), p.11705-11708
Hauptverfasser: Messner, J, Schulz, P S, Taccardi, N, Kuhlmann, Sven, Wasserscheid, P
Format: Artikel
Sprache:eng
Schlagworte:
Alkali metals
Isomerization
Melts
Recyclability
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Zusammenfassung:The isomerisation reaction of 1,4-dichlorobenzene leading to the thermodynamically favoured and technically desired 1,3-dichlorobenzene has been studied comparing highly acidic chloroaluminate melts with organic imidazolium and alkali metal ions. Interestingly, the inorganic melts show much higher reactivity and full recyclability if small AlCl3 losses are compensated and the reaction is carried out under slight HCl pressure.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc04910a