哥廷根大学Manuel Alcarazo等报道了合成之间未见过的BINOL衍生物阳离子亚膦酸二酯。该方法中通过有机磷与Au(I)配合,实现了高对映性和高反应位点选择性的将炔烃转化为1-(芳基)苯并[5]碳螺旋烯,在该反应中配体有效的改善了Au(I)中心位点的催化活性。
参考文献
Pablo Redero, Thierry Hartung , Jianwei Zhang, Leo D.M. Nicholls, Guo Zichen, Martin Simon, Christopher Golz, Manuel Alcarazo*
Enantioselective Synthesis of 1‐Aryl Benzo[5]helicenes Using BINOL‐Derived Cationic Phosphonites as Ancillary Ligands, Angew. Chem. Int. Ed. 2020
DOI: 10.1002/anie.202010021
https://www.onlinelibrary.wiley.com/doi/abs/10.1002/anie.202010021