反应条件
1: 42 percent / PBr3, pyridine / diethyl ether 2: 60 percent / dimethylsulfoxide 3: 67 percent / KOH / ethane-1,2-diol; H2O; ethanol / 18 h / Heating 4: 86 percent / oxalyl chloride, pyridine / benzene / 2 h / Ambient temperature 5: 76 percent / triethyl amine / diethyl ether / 1 h / Ambient temperature 6: 82 percent / diethyl ether / Ambient temperature 7: 17 percent / acetonitrile / Irradiation View Scheme
参考文献
Canadian Journal of Chemistry, , vol. 58, p. 458 - 462