反应条件
1: 2,3,4,5-tetrabromothiophene With n-butyllithium in tetrahydrofuran; n-heptane
T=-78°C; 1 h; Inert atmosphere;
2: methyl halide in tetrahydrofuran; n-heptane
T=-78 - 20°C; 16 h; Inert atmosphere; regioselective reaction;
参考文献
Tung, Dang Thanh; Tuan, Dang Thanh; Rasool, Nasir; Villinger, Alexander; Reinke, Helmut; Fischer, Christine; Langer, Peter
Advanced Synthesis and Catalysis, 2009 , vol. 351, # 10 p. 1595 - 1609
