phosphorus pentachloride; calcium carbonate in chloroform T=0°C; 0.05 h; Heating;

1: 1.) lead tetracetate, 2.) KOH / 1.) benzene, 65 deg C, 6h, 2.) methanol, 60 deg C,45 min 2: 6.2 g / KOH aq / 1 h / Heating 3: 25 percent / PCl5/CaCO3 / CHCl3 / 0.05 h / 0 °C / Heating View Scheme

1: Py / 24 h / 0 °C 2: 6 percent / LiCl / dimethylformamide / 5 h / Heating View Scheme

chlorine; calcium carbonate in tetrachloromethane 0.25 h; Irradiation; Yield given. Further byproducts given;