有机硒、碲化合物在高选择性合成反应中的应用

综述了有机硒、碲化合物的合成及其在高选择性合成反应中的反应。低价硒、碲化合物具有良好的还原选择性，可用于多种碳－氢键的形成，碲叶立德和α－芳硒基取代的胂叶立德均可发生Ｗｉｔ－ｔｉｇ 型反应，是形成碳－碳双键的重要方法。将锆、锡、卤素、硼等金属或杂原子导入到有机硒、碲分子中可以形成新型双功能团试剂，继而在过渡金属催化下可以开发多种形成碳－碳单键的偶联反应。

The progress on the synthesis of organoselenium and organotelluronium compounds has been reviewed. Low valent selenium and telluronium compounds have high reducing selectivity to be used to form carbon hydrogen bonds as special reducing reagents. Organoselenium and organotelluronium compounds have 4d, 5d, empty orbital respectively and can utilized p d orbital overlap to stabilize α carbon anion. Thus the various type of condensation can take place, such as Wittig type reaction, to form carbon carbon double bonds. When zirconium, tin, boron, halogen were introduced to organoselenium and organotelluronium compounds used as new difunctional group reagents. Their transition metal catalyzed cross coupling reaction provide new methods for formation of carbon carbon single bond.