Short and efficient synthesis of 5-aminothiazole-4-carboxamide

5-Aminothiazole-4-carboxamide is a precursor for the synthesis of thiazole [4,5-d] pyrimidines. In this work, a new synthesis method with a high total yield (79%) of 5-aminothiazole-4-carboxamide was reported. The starting material is aminocyanacetamide. This synthesis method is environment-friendly and is suitable for industrial production.