successfully developed a copper (2 mol%)/tert‐butyl hydroperoxide (2 equiv.) catalyst system for reaction of readily available secondary phosphine oxides and alkynes in acetonitrile at 60 °C under air, which provides a rapid access to a structurally diverse array of benzophosphole oxides in moderate to good yields within 30 min. The method can be easily used for a large‐scale preparation. Preliminary mechanistic
作为有前途的有机光电子材料,苯并膦衍
生物已经引起了广泛的关注。我们已经成功开发了一种
铜(2 mol%)/叔
丁基氢过氧化物(2当量)催化剂体系,用于在空气中于60°C的空气中易得的仲膦氧化物和
炔烃在
乙腈中反应,可以快速进入结构在30分钟内以中等到良好的收率获得多种多样的苯甲酰氧化物氧化物。该方法可轻松用于大规模制备。初步的机理研究表明,将
磷酸基团加到三键上,然后在仲氧化膦的苯基部分上环化,可形成苯并氧化膦。