反应条件
1: 98 percent / toluene-p-sulphonic acid / tetrahydrofuran / 0.25 h / 0 °C 2: 1) butyllithium, 2) 1,2-dibromoethane / 1) hexane, THF, r.t., 3 h, 2) r.t., 1 h 3: dil. HCl / 0.5 h / Ambient temperature 4: 92 percent / triethylamine / CH2Cl2 / 2 h / Ambient temperature 5: 169 mg / 1) butyllithium, 2) ennecarbonyldiiron / 1) THF, hexane, -100 deg C, 30 min., 2) benzene, reflux, 20 h 6: 94 percent / conc. HCl / tetrahydrofuran / 2 h View Scheme
参考文献
Giles, Robin G. F.; Sargent, Melvyn V.; Sianipar, Hercules
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 6 p. 1571 - 1579
