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Synlett 1995; 1995(3): 245-246
DOI: 10.1055/s-1995-4920
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Preparation of Quaternary Ammonium Hydroxides via a Two-Stage Anion Exchange Process

Liora Toib, Salman Dermaik, Michael Michman, Yoel Sasson*
  • *Casali Institute of Applied Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904 Israel
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Publication Date:
31 December 2000 (online)

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A method for the preparation of uncontaminated quaternary ammonium hydroxides is described. It is particularly useful for short-chain compounds R4N+OH- where R is a C1 to C4 unit and reflects the different solubility of long chain R4N+X- and short chain R4N+OH.

Quaternary ammonium hydroxide - Aliquat 336 - Tetramethylammonium hydroxide - Tetraethylammonium hydroxide - Tetrapropylammonium hydroxide - Tetrabutylammonium hydroxide