1: 1-chloro-4-bromobenzene With tert.-butyl lithium in diethyl ether
T=-78 - -60°C; Inert atmosphere;
2: cyclo-(Me2SiO)3 in diethyl ether
T=-74°C; Inert atmosphere;
参考文献
Denmark, Scott E.; Smith, Russell C.; Chang, Wen-Tau T.; Muhuhi, Joseck M.
Journal of the American Chemical Society, 2009 , vol. 131, # 8 p. 3104 - 3118