反应条件
1: lithium bromide / CH2Cl2; tetrahydrofuran / 1 h / 0 °C 2: 1) lithium biphenylide, barium iodide / 1) THF, -78 deg C, 30 min, 2) THF, a) -78 deg C, 3 h, b) 23 deg C, 16 h View Scheme
参考文献
Corey; Shieh
Tetrahedron Letters, 1992 , vol. 33, # 43 p. 6435 - 6438