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A Novel One-Pot Pseudo-Five-Component Synthesis of 4,5,6,7-Tetrahydro-1H-1,4-diazepine-5-carboxamide Derivatives

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posted on 2008-05-16, 00:00 authored by Ahmad Shaabani, Ali Maleki, Hamid Mofakham, Jafar Moghimi-Rad
A novel one-pot pseudo-five-component synthesis of 4,5,6,7-tetrahydro-1H-1,4-diazepine-5-carboxamide derivatives starting from simple and readily available inputs including 2,3-diaminomaleonitrile, a cyclic or acyclic ketone, an isocyanide, and water in the presence of a catalytic amount of p-toluenesulfonic acid in aqueous medium at ambient temperature in high yields is described.

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