暂无反应条件数据

1: 75 percent / methanol / 68 h / Heating 2: 74 percent / anhydrous sodium acetate, Br2 / acetic acid / 1.) 80 deg C, 6 h, 2.) 23 deg C, 64 h; 3: 1.) n-butyllithium / 1.) ether, hexane, -70 deg C, 10 min, 2.) -55 to -70 deg C; View Scheme

1: 74 percent / anhydrous sodium acetate, Br2 / acetic acid / 1.) 80 deg C, 6 h, 2.) 23 deg C, 64 h; 2: 1.) n-butyllithium / 1.) ether, hexane, -70 deg C, 10 min, 2.) -55 to -70 deg C; View Scheme

n-butyllithium 1.) ether, hexane, -70 deg C, 10 min, 2.) -55 to -70 deg C;; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;