ammonium sulphamate Knoevenagel condensation; 0.00555556 h; Microwave irradiationneat (no solvent);

triethylamine in ethanol T=20°C; Knoevenagel condensation;

1: With hydrogenchloride in water T=20°C; pH=1 - 3; 0.5 h; 2: in water chemoselective reaction;

1: hydroxylamine hydrochloride; sodium hydroxide / water / 4 h / 20 °C / pH 9 - 10 2: hydrogenchloride / water / 0.5 h / 20 °C / pH 1 - 3 View Scheme

1: 2-Cyano-3-p-methylphenylpropionamid With potassium hydride in acetonitrile T=20°C; 0.333333 h; Inert atmosphereGlovebox; 2: 4-acetylamino-2,2,6,6-tetramethylpiperidine-1-oxoammonium in acetonitrile T=24.84°C; Inert atmosphereGlovebox; Thermodynamic data;

1: 75 percent / AcONa / ethanol / 3 h / Heating 2: 75 percent / PCl5, POCl3 / 168 h / Heating View Scheme

piperidine in ethanol 2 h; Ambient temperature; Yield given;