反应条件
1: 1.) n-BuLi / 1.) THF, hexane, RT, 1.5 h, 2.) a) RT, 1 h, b) 65 deg C, 5 h 2: 96 percent / EtONO, Et4NBH4, ClCoIII(DH)2py / benzene / 28 h / Ambient temperature View Scheme
参考文献
Posner; Schreiber
Chemische Berichte, 1924 , vol. 57, p. 1129,1133