1: 1-bromo-3-(pentafluorosulfanyl)benzene With tert.-butyl lithium in diethyl ether; pentane 1 h; 2: 1-piperidinecarboxaldehyde in diethyl ether; pentane T=20°C; 4 h; Further stages.;

1: 1-bromo-3-(pentafluorosulfanyl)benzene With tert.-butyl lithium in diethyl ether; pentane T=-78°C; 0.333333 h; 2: N,N-dimethyl-formamide in diethyl ether; pentane T=-78 - 0°C; Further stages.;

sodium hydroxide; silver(l) oxide in water T=20°C; 20 h;