摘要:
异氰化物RNC(R = Me或Bu t)插入铌和五卤化钽或三溴化钽氧化物的金属-卤素键中,得到配合物[MX 4 {CX(NR)}(CNR)](A:M = Nb或Ta; X = Cl或Br; R = Me或Bu t),[TaBr 2 {CBr(NMe)} 3(CNMe)]和[TaBr 2 O {CBr(NMe)}(CNMe)]。络合物[NbCl 4 {四氯化碳(NME)}(CNME)]给出进一步插入产品[NbCl 3 {四氯化碳(NME)} 2大号1 ]与L的处理1 = MENC或PPH 3,但治疗的[MX 4 {CX(NBu t)}(CNBu t)]和L2 = PPh 3,PMe 2 Ph或PMePh 2,或L 3 = Ph 2 PCH 2 CH 2 PPh 2或顺式-Ph 2 PCH = CHPPh 2取代Bu t NC给出[MX 4 {CX(NBu t)} L 2 ](M = Ta,X