反应条件
1: 1.)Br2; 3.) O2 / 1.) -10 deg C, 1.5 h; 2.) r. t., 1 h; 3.) 2 h.
2: 72 percent / p-toluenesulfonic acid / 4 h / Heating
3: NaI / acetone / 2.5 h / Ambient temperature
4: AgNO2, quartz sand / diethyl ether / 108 h
5: KOCH3, urea / methanol / 0.08 h / 0 °C
View Scheme
参考文献
Duthaler, Rudolf O.
Helvetica Chimica Acta, 1983 , vol. 66, # 5 p. 1475 - 1492
