manganese(IV) oxide in acetone T=20°C; 39.6667 h;

1: in tetrahydrofuran T=-78 - 0°C; 1 h; 2: With water; ammonium chloride in tetrahydrofuran

1: 7-Bromo-benzo[b]thiophene With n-butyllithium in diethyl ether; hexane T=-78°C; 0.333333 h; 2: N,N-dimethyl-formamide in diethyl ether; hexane T=-78°C; 1 h; Product distribution / selectivity;