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Tetrabutyl ammonium iodide is used primarily when you need both a phase-transfer catalyst AND a co-catalyst to activate an alkyl chloride or bromide alkylating agent. An example is shown in the PTC Reaction of the month above.
Tetrabutyl ammonium iodide is used primarily when you need both a phase-transfer catalyst AND a co-catalyst to activate an alkyl chloride or bromide alkylating agent. ... Many process chemists use tetrabutyl ammonium bromide together with 1 mole% KI, since KI is more likely to be bought at current market price.
Tetrabutylammonium bromide (TBAB) is a quaternary ammonium compound. It is the most widely used phase transfer catalyst. ... TBAB is reported to decrease retention time and remove peak tailing by acting as an ion pair reagent during the chromatographic analysis of quaternary ammonium compounds.
Preparation and reactions Tetrabutylammonium bromide is used to prepare other salts of the tetrabutylammonium cation by salt metathesis reactions. It serves as a source of bromide ions for substitution reactions. It is one of a commonly-used phase transfer catalyst.