反应条件
1: 1) Mg, 2) CuBr*Me2S / y / 1) THF, reflux, 90 min, 2) reflux, 20 h 2: 69 percent / Br2, Fe / CCl4 / 1.5 h 3: 1) n-butyllithium, 2) I2 / 1) THF, hexane, -78 deg C, 30 min, 2) to RT overnight 4: 81 percent / triphenylphosphine, PdCl2, Et3N, CuI / tetrahydrofuran / 0.33 h / Ambient temperature 5: 94 percent / KOH / methanol; CH2Cl2 / 0.75 h View Scheme
参考文献
Molecular Crystals and Liquid Crystals (1969-1991), , vol. 198, p. 417 - 428
