Synthesis of phospholes and 1,1′-biphospholes mediated by zirconacyclopentadienes and PBr3
作者:Chunxiang Qin、Xin Xie、Gaonan Wang、Xueshun Jia、Yuanhong Liu
DOI:10.1016/j.tetlet.2019.151388
日期:2020.1
The efficient synthesis of phospholes through the reactions of Grignard reagents with in situ-generated 1-bromophospholes has been developed. This method allows the easy substituent variation at the phosphorus atom of the phospholes. The 1,1’-biphospholes can also be conveniently prepared through Zn-promoted debromo-dimerization of 1-bromophospholes. The gold-phosphole complexes of LAuCl were also
已经开发了通过格氏试剂与原位生成的1-溴磷脂反应来有效合成磷脂的方法。该方法允许在磷的磷原子上容易的取代基变化。1,1'-双膦也可通过Zn促进的1-溴磷的脱溴二聚而方便地制备。还合成了LAuCl的金-磷配合物,发现它们在金与4,5-二氢-1,2,4-恶二唑的金催化的酰胺的[3 + 2]环加成中起有效的催化剂的作用。