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Commercially available guanidine hydrochloride(GuHCl) has been found to be a highly efficient catalyst for the Mannich reaction.β-Amino carbonyl compounds were obtained in reasonable yields when the Mannich reaction was carried out at room temperature under solvent-free conditions.
Commercially available guanidine hydrochloride (GuHCl) has been found to be a highly efficient catalyst for the Mannich reaction. Β-Amino carbonyl compounds were obtained in reasonable yields when the Mannich reaction was carried out at room temperature under solvent-free conditions.