potassium hydroxide in ethanol

1: diazomethyl-trimethyl-silane With 2,2,6,6-tetramethylpiperidinyl-lithium in diethyl ether; hexane T=-78°C; 0.25 h; 2: 2-methylfluorobenzene in diethyl ether; hexane 7.5 h; Heating; Further stages.;