2-Carbomethoxy-1,1-bis(methylsulfide)-1-alkenes, easily made from carboxylic acids, CS2 and MeI, were treated with BrF3 producing eventually the desired α-trifluoromethyl carboxylate derivatives â RCH(CF3)COORâ²
â in good yields.
2-Carbomethoxy-1,1-bis(methylsulfide)-1-alkenes 很容易由
羧酸、CS2 和 MeI 制成,用
BrF3 处理后,最终会以良好的收率生成所需的δ-三
氟甲基
羧酸衍
生物 RCH(
CF3)COORâ² 。