1.1: 3 percent / Bu3SnH; α,α'-azobis(isobutyronitrile) / benzene / 48 h / Heating 2.1: iodobenzene diacetate; I2 / cyclohexane / 0.5 h / Irradiation; reflux 2.2: Bu3SnH / benzene / Heating View Scheme

azobisisobutyronitrile; tri-n-butyl-tin hydride in benzene Ring cleavage; 48 h; Heating;

azobisisobutyronitrile; tri-n-butyl-tin hydride in benzene Ring cleavage; 48 h; Heating;