Here, we report a simple and efficient method for the synthesis of different unsymmetrical
N,N’-disubstituted urea and N-substituted urea derivatives using L-Proline as a green catalyst. The
methodology is applicable for synthesizing various derivatives of phenylurea, diphenyl urea with excellent
yield at mild condition.
Keywords: N-substituted urea, urea, amines, N, N`-disubstituted urea, L-Proline, green catalyst.
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