1: 5-chloro-1H-Indole-2-carboxylic acid With 4-methyl-morpholine; 4,4'-dimethoxytriphenylmethyl chloride in acetonitrile T=0°C; 2.5 h; 2: 1-methyl-piperazine in acetonitrile T=0 - 20°C; 26 h;