sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in water T=10 - 55°C; 20 h;

N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide in water T=20°C;

1: With water; potassium hydroxide in ethylene glycol T=140°C; 4.5 h; 2: in ethylene glycol

1.1: n-butyllithium / tetrahydrofuran / 0.5 h / -100 °C / |Inert atmosphere 1.2: 2 h / -100 - 20 °C / |Inert atmosphere 2.1: palladium diacetate; N-acetyl-glycine; silver(I) acetate / 1,2-dichloro-ethane / 24 h / 90 °C / |Inert atmosphere View Scheme

potassium hydroxide; dihydrogen peroxide in methanol; water T=55°C; 5 h;