Zirconium-Catalyzed Intermolecular Double Hydrophosphination of Alkynes with a Primary Phosphine
作者:Christine A. Bange、Rory Waterman
DOI:10.1021/acscatal.6b01850
日期:2016.10.7
Catalytic double hydrophosphination of internal alkynes and primary phosphines is possible using a zirconium complex, [κ5-N,N,N,N,C-(Me3SiNCH2CH2)2NCH2CH2NSiMe2CH]Zr (1). The reaction proceeds via stepwise hydrophosphination to give vinyl phosphine products, which can be isolated or further converted to the respective 1,2-bis(phosphino)ethane (i.e., double hydrophosphination). The catalysis is highly
内部炔烃和膦初级催化双hydrophosphination可能使用的锆络合物,[κ 5 -N,N,N,N,C - (ME 3 SiNCH 2 CH 2)2 NCH 2 CH 2 NSiMe 2 CH]锆(1)。该反应通过逐步的加氢磷酸化进行,得到乙烯基膦产物,其可以被分离或进一步转化为相应的1,2-双(膦基)乙烷(即,双重加氢磷酸化)。该催化对形成次膦产物具有高度选择性。