1: thieno(3,2-c)-pyridine With n-butyllithium in tetrahydrofuran; hexanes T=-78 - -64°C; 1 - 1.33333 h; Cooling with aceton-dry ice; 2: With tri-isopropoxy-borane in tetrahydrofuran; hexanes T=-78 - 20°C; 1.5 - 2 h; 3: 2,3-dimethylbutane-2,3-diol in tetrahydrofuran; hexanes; diethyl ether T=5°C; 0.333333 - 1.06667 h; Product distribution / selectivity;