反应条件
1: NaH / dimethylformamide / 1.) 0 deg C, 1 h, 2.) 22 h
2: POCl3, DMF / CH2Cl2 / 5 h / Heating
3: 0.2 M NaOH / dioxane / 24 h / Heating
4: 41 percent / silica gel / CH2Cl2 / 1 h / Ambient temperature
5: 1.) n-BuLi, CuCN / 1.) THF, hexane, -40 deg C, 2 h, 2.) THF, -70 deg C to r.t.
View Scheme
参考文献
Kitamura, Tsugio; Lee, Chi Han; Taniguchi, Hiroshi; Matsumoto, Masaru; Sano, Youich
Journal of Organic Chemistry, 1994 , vol. 59, # 26 p. 8053 - 8057
