1: With n-butyllithium in tetrahydrofuran
T=-78°C; 4.5 h;
2: With potassium hydroxide in tetrahydrofuran; water
T=20°C; 0.166667 h;
3: With sulfuric acid; water in isopropyl alcohol
T=55 - 60°C; pH=3 - 4; 2 h;
1: 2,2’-dibromo-9,9’-dimethyl-fluorene With n-butyllithium in tetrahydrofuran; hexane
T=-70 - -65°C; 6 h; Inert atmosphere;
2: tri-isopropoxy-borane in tetrahydrofuran; hexane
T=-70 - 20°C;
3: With hydrogenchloride in tetrahydrofuran; hexane; water
pH=3;
