PPA T=100°C; 0.166667 h;

1: 66 percent / Mg / methanol / 2 h / 25 - 55 °C 2: 82 percent / PPA / 0.17 h / 100 °C View Scheme

1: 91 percent / piperidine / pyridine / 5 h / 110 °C 2: 66 percent / Mg / methanol / 2 h / 25 - 55 °C 3: 82 percent / PPA / 0.17 h / 100 °C View Scheme

N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile; triethylamine 1.) CCl4, reflux, 5 h, 2.) CCl4, 25 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given;