1: 3 h / 140 °C 2: oxalyl chloride, DMSO, / CH2Cl2 / 30 h / -50 °C 3: Br2 / CCl4 / 3 h / Ambient temperature 4: dimethylformamide / 3 h / 120 °C View Scheme
参考文献
Eriks; Van der Goot; Sterk; Timmerman
Journal of Medicinal Chemistry, 1992 , vol. 35, # 17 p. 3239 - 3246