Abstract
Ethane-1,2-diaminium hydrogen sulfate was synthesised and characterised by NMR and elemental analysis techniques, and found to exhibit high catalytic efficiency towards one-pot Mannich-type reactions of ketones with aromatic aldehydes and aromatic amines in ethanol. This method has the advantages of mild conditions, availability of starting materials, compatibility with a variety of functionalities, and simple work-up procedures. This catalyst also shows good recyclability and reusability.
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