The reaction of fluorocarbon (Rf) reagents C2F5Li or C2F3Li with diaminochlorophosphanes (R2N)2PCl produced four new phosphane ligands of the type (R2N)2P(Rf). Addition of (Et2N)2PCl to ethereal solutions of C2F5Li or C2F3Li produced (Et2N)2PC2F5 1 and (Et2N)2PC2F3 2; treatment of (C4H4N)2PCl and (C4H8N)2PCl with C2F5Li afforded (C4H4N)2PC2F5 3 and (C4H8N)2PC2F5 4. All ligands were isolated as colorless
碳
氟化合物(R f)试剂C 2 F 5 Li或C 2 F 3 Li与二
氨基
氯膦(R 2 N)2 PCl的反应产生了(R 2 N)2 P(R f)类型的四个新的膦配位体。将(Et 2 N)2 PCl添加到C 2 F 5 Li或C 2 F 3 Li的醚溶液中可制得(Et 2 N)2 PC 2 F 5 1和(Et 2 N)2 PC2 F 3 2 ; 用C 2 F 5 Li处理(C 4 H 4 N)2 PCl和(C 4 H 8 N)2 PCl得到(C 4 H 4 N)2 PC 2 F 5 3和(C 4 H 8 N)2 PC 2 F 5 4。分离出所有
配体,为无色高沸点液体。1 – 4与Mo(CO)6的取代反应 在回流
烷烃溶剂,得到式(L)的Mo(CO)的复合物5(L =(ET 2 N)2 PC 2 ˚F 5,5 ;(ET 2 N)2 PC 2 ˚F 3 6 ;(C 4 ħ 4 N)2 PC 2 F