反应条件
1: 47 percent / 1.) LDA; 2.) 3 eq. t-BuLi / tetrahydrofuran / -70 °C
2: 66 percent / 1.) n-BuLi, diisopropylamine / tetrahydrofuran / 0.42 h / -65 °C
3: 41 percent / 1.) 1.5 eq. KH; 2.) 3 eq. t-BuLi / tetrahydrofuran / 1.) 0 deg C, 20 min; 2.) -70 deg C, 10 min
View Scheme
参考文献
Satoh, Tsuyoshi; Itoh, Norifumi; Gengyo, Kaoru; Takada, Sae; Asakawa, Naoyuki; et al.
Tetrahedron, 1994 , vol. 50, # 41 p. 11839 - 11852
