Synthesis of Optically Active <i>N</i>,<i>N</i>,<i>N</i>′,<i>N</i>′-Tetraphenyl-1,1′-binaphthyl-2,2′-diamine Derivatives as Analogues of BINAP

As analogues of BINAP, optically active N,N,N′,N′-tetraaryl-1,1′-binaphthyl-2,2′-diamines have been prepared by palladium-catalyzed coupling reactions of optically active 1,1′-binaphthyl-2,2′-diamine with an excess amount of aryl bromides. A novel diamine-bridged dirhodium π-arene complex has been produced and characterized by X-ray analysis.作为联萘二苯膦（BINAP）的类似物，光学活性N,N,N′,N′-四芳基-1,1′-联萘-2,2′-二胺可通过光学活性1,1′-联萘-2,2′-二胺与过量芳基溴化物的钯催化偶联反应制备得到。本研究还合成了一种新型二胺桥联二铑π-芳烃配合物，并通过X射线分析对其进行了表征。