naphthalene anion radical in tetrahydrofuran Ambient temperature;

1: 82 percent / pyridine / petroleum ether / Ambient temperature; several hours 2: 27 percent Spectr. / MeI / neat (no solvent) / 1080 h / 33 °C 3: neat (no solvent) / 8232 h / 20 - 100 °C View Scheme

1: 27 percent Spectr. / MeI / neat (no solvent) / 1080 h / 33 °C 2: neat (no solvent) / 8232 h / 20 - 100 °C View Scheme

in neat (no solvent) T=20 - 100°C; 8232 h;