1: phenyl(1H-pyrrol-2-ylmethylene)amine With n-butyllithium in ethylene glycol dimethyl ether; Petroleum ether T=-78°C; 0.5 h; 2: chloro-diphenylphosphine in ethylene glycol dimethyl ether T=20°C; 18 h;

1.1: 63 percent / p-TSA / toluene / 17 h / Heating 2.1: nBuLi / 1,2-dimethoxy-ethane; petroleum ether / 0.5 h / -78 °C 2.2: 84 percent / 1,2-dimethoxy-ethane / 18 h / 20 °C View Scheme

1.1: 63 percent / p-TSA / toluene / 17 h / Heating 2.1: nBuLi / 1,2-dimethoxy-ethane; petroleum ether / 0.5 h / -78 °C 2.2: 84 percent / 1,2-dimethoxy-ethane / 18 h / 20 °C View Scheme