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- W2490125002 abstract "The application of commercial anionic resins as Phase Transfer Catalysts (PTC) has been studied in an alkylation reaction. The alkylation of phenylacetonitrile with 1-bromobutane using excess of aqueous sodium hydroxide (50% w/w) was carried out catalyzed by insoluble polystyrene-bond ammonium ions in a triphasic system. A commercial polystyrenic anionic resin of type II (Lewatit MP-600 by Bayer) was selected because of its better performance. Reaction rate increases when: (1) stirring speed increases within 500-1600 rpm, (2) particle size decreases within 0.902 to 0.402 mm and (3) higher hydroxyl ion concentrations in the aqueous phase. The presence of halides such as bromide or iodide in aqueous phase decreases the reaction rate." @default.
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- W2490125002 date "1997-01-01" @default.
- W2490125002 modified "2023-09-25" @default.
- W2490125002 title "ANIONIC ION EXCHANGERS AS PHASE TRANSFER CATALYSTS IN ALKYLATION REACTIONS" @default.
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- W2490125002 doi "https://doi.org/10.1533/9781845698652.1.87" @default.
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