pyrrolidino-pyridine; dicyclohexyl-carbodiimide in dichloromethane T=20°C; 24 h;

1: 90 percent / NaHCO3 / dimethylformamide / 7 h / 70 °C 2: 74 percent / N,N-dicyclohexylcarbodiimide; pyrrolidinopyridine / CH2Cl2 / 24 h / 20 °C View Scheme

1: dicyclohexyl-carbodiimide; 4-(N,N-dimethlyamino)pyridine / |Inert atmosphere 2: palladium on activated charcoal; hydrogen 3: dicyclohexyl-carbodiimide; 4-(N,N-dimethlyamino)pyridine / |Inert atmosphere View Scheme

4-(N,N-dimethlyamino)pyridine; dicyclohexyl-carbodiimide Mitsunobu Displacement; Inert atmosphere;