1: methyllithium With iron(III) chloride in diethyl ether cooling; 2: 4-chlorobenzoic acid methyl ester in tetrahydrofuran T=-30°C;
参考文献
Fuerstner, Alois; Martin, Ruben; Krause, Helga; Seidel, Guenter; Goddard, Richard; Lehmann, Christian W.
Journal of the American Chemical Society, 2008 , vol. 130, # 27 p. 8773 - 8787