1.1: 21.1 g / Br2 / acetic acid / 0.17 h / 20 °C
2.1: n-Bu4NI; NaH / dimethylformamide / 0.17 h / 20 °C
2.2: 27.6 g / dimethylformamide / 20 °C
3.1: mCPBA / CH2Cl2 / 20 °C
3.2: 73 percent / KOH / methanol; H2O / 0.17 h / 20 °C
4.1: nBu4NI; NaH / dimethylformamide / 0.17 h / 20 °C
4.2: 83 percent / dimethylformamide / 20 °C
View Scheme
