ammonia 16 h; Ambient temperature; Yield given;

 in  tetrahydrofuran T=20°C;  half-life;   

 in  tetrahydrofuran T=20°C;  half-life;   

Multi-step reaction with 4 steps 1: 4-nitrobenzaldoxime, N,N,N',N'-tetramethylguanidine / dioxane; H2O / 0.05 h / 20 °C2: pyridine / 1 h / 20 °C3: 1.) triethylamine, 2-mesitylenesulfonyl chloride, 4-N,N-dimethylaminopyridine, 2.) 1,4-diazabicyclo<2.2.2>octane, triethylamine / 1.) dichloromethane, 20 deg C, 1 h, 2.) dichloromethane, 20 deg C, 1 h4: tetrahydrofuran / 20 °C  

Multi-step reaction with 4 steps 1: 4-nitrobenzaldoxime, N,N,N',N'-tetramethylguanidine / dioxane; H2O / 0.05 h / 20 °C2: pyridine / 1 h / 20 °C3: 1.) triethylamine, 2-mesitylenesulfonyl chloride, 4-N,N-dimethylaminopyridine, 2.) 1,4-diazabicyclo<2.2.2>octane, triethylamine / 1.) dichloromethane, 20 deg C, 1 h, 2.) dichloromethane, 20 deg C, 1 h4: tetrahydrofuran / 20 °C