2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride in benzene T=25°C; Cooling with liquid nitrogenSealed tubeUV-irradiation; Kinetics; TemperatureConcentration;

1: 2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride / benzene / 25 °C / Cooling with liquid nitrogen; Sealed tube; UV-irradiation 2: sodium chloride / dimethyl sulfoxide / Heating View Scheme

1: sodium hydroxide / ethanol / 4 h / Reflux 2: 130 - 140 °C / neat (no solvent) 3: thionyl chloride / 1 h / Reflux 4: 0.17 h / Reflux 5: 2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride / benzene / 25 °C / Cooling with liquid nitrogen; Sealed tube; UV-irradiation View Scheme

1.1: 2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride / benzene / 25 °C / Cooling with liquid nitrogen; Sealed tube; UV-irradiation 2.1: sodium hydride / N,N-dimethyl-formamide / 0.33 h / Inert atmosphere 2.2: 0.75 h / Inert atmosphere 3.1: sodium hydroxide / ethanol / 4 h / Reflux 4.1: 130 - 140 °C / neat (no solvent) 5.1: thionyl chloride / 1 h / Reflux 6.1: 0.17 h / Reflux 7.1: sodium hydroxide 7.2: 20 h / Reflux 8.1: thionyl chloride 9.1: pyridine; 4-(N,N-dimethlyamino)pyridine / diethyl ether / 0.33 h 10.1: 2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride / benzene / 25 °C / Cooling with liquid nitrogen; Sealed tube; UV-irradiation View Scheme