Figure 1From: Microwave irradiation: synthesis and characterization of α-ketoamide and bis (α-ketoamide) derivatives via the ring opening of N-acetylisatinORTEP representation of the crystal structure of 4a and 5a. (a) Ortep of N-(2-(2-oxo-2-(piperidin-1-yl)acetyl)phenyl)acetamide 4a CCDC 943007. (b) Ortep of N-(2-(2-oxo-2-(piperidin-1-yl)acetyl)phenyl)propionamide 5a CCDC 945756.Back to article page