1: rac-1-(3-ethyl-5-methyl-4,5,6,7-tetrahydrobenzo[c]thiophen-1-yl)ethanone With diethylzinc in hexane; toluene T=-40 - -20°C; 0.166667 h; 2: diiodomethane in hexane; toluene T=-40 - 20°C; 18.3333 h;