lithium aluminium tetrahydride in tetrahydrofuran 3 h; Heating;

1: 1,4,5,6-tetrahydro-7H-indol-7-one With sodium hydride in tetrahydrofuran T=0 - 20°C; 1 h; 2: methyl iodide in tetrahydrofuran T=0 - 20°C; 3 h;