Abstract
A facile and convenient one-pot tandem synthesis of functionalized pyrroles using acidic ionic liquid 1-butyl-3-methylimidazolium hydrogen sulfate as a catalyst has been achieved. It involves four-component reaction of amines, aldehydes, 1,3-dicarbonyl compounds and nitroalkane. This method has the advantage of simple and readily available starting materials, low cost, good yields and recyclability of catalyst.
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