反应条件
1.1: 87 percent / K2CO3; CuI; 1,10-phenanthroline / p-xylene / 180 °C 2.1: 94 percent / N-bromosuccinimide / dimethylformamide / 0 °C 3.1: n-BuLi / tetrahydrofuran; hexane / -78 °C 3.2: (i-PrO)3B / tetrahydrofuran; hexane / -78 - 20 °C 3.3: 83 percent / aq. HCl / tetrahydrofuran; hexane View Scheme