Pentafluoropyridine and pentafluorobenzonitrile react with the anions [Mn(CO)5]– and [Re(CO)5]– to give the complexes NC5H4·M(CO)5 and NC·C6F4·M(CO)5(M = Mn or Re). The more reactive compound, tetrafluorophthalonitrile, has been shown to react with the weak nucleophiles [Co(CO)2L2]–[L =(PhO)3P or EtC(CH2O)3P], and [Co(CO)P(OCH2)3CEt}3]– to form complexes, but the anions [Co(CO)4]–, [Co(CO)3P(OPh)3]–
五
氟吡啶和五
氟苄腈与阴离子[Mn(CO)5 ] –和[Re(CO)5 ] –反应,得到配合物NC 5 H 4 ·M(CO)5和NC·C 6 F 4 ·M(CO)5(M = Mn或Re)。更具反应性的化合物四
氟邻苯二甲腈已显示与弱亲核试剂[Co(CO)2 L 2 ] – [L =(PhO)3 P或EtC(CH 2 O)3 P]和[Co(CO )P(OCH 2)3 CEt} 3 ] –形成络合物,但阴离子[Co(CO)4 ] –,[Co(CO)3 P(OPh)3 ] –和[Fe(CO)4 ] 2 –不会发生反应。
五氟苯甲酸乙酯和五
氟苯甲酸与[Mn(CO)5 ] -和[(π- C 5 H 5)Fe(CO)2 ] -反应生成络合物RO 2 C·C 6 F 4 ·Mn(CO)5和RO 2 C·C 6 F 4 ·Fe(CO)2(π-C 5 H 5)(R = H或Et)。讨论了这些化合物的ir和19 F和1