1: With lithium aluminium tetrahydride in ethylene glycol dimethyl ether Heating / reflux; 2: With water; Sodium potassium tartrate T=20°C; 1 h;

1: With acetic acid T=80°C; Fischer indole synthesis; 2: With sodium tris(acetoxy)borohydride in 1,2-dichloro-ethane T=20°C; Cooling;