2003•Fain kemikaruRequires access
Synthesis of iso-Butyl Benzoate Catalyzed by Sodium Hydrogen Sulfate
Bin Deng
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Abstract
Benzoic acid and iso-butyl alcohol were esterified to form iso-butyl benzoate in the presence of sodium hydrogen sulfate catalyst.The optimized reaction conditions were as follows.Using 0.1 mol benzoic acid,at mole ratio of alcohol to carboxylic acid 4∶1,with the catalyst 9.5% by weight of benzoic acid,the reaction proceeded for 3 hours at 115 ℃ to give the ester in 98% yield and of 99% purity.The catalyst can be easily recovered for reuse.