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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Heterobimetallic rhenium nitrido complexes containing the Klaui tripodal ligand [Co(eta(5)-C5H5){P(O)(OEt)(2)}(3)](-)
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Heterobimetallic rhenium nitrido complexes containing the Klaui tripodal ligand [Co(eta(5)-C5H5){P(O)(OEt)(2)}(3)](-)

机译:包含Klaui三脚架配体[Co(eta(5)-C5H5){P(O)(OEt)(2)}(3)](-)的异双金属lic氮化物

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摘要

Rhenium nitrido complexes containing the Klaui tripodal ligand [Co(eta(5)-C5H5){P(O)(OEt)(2)}(3)](-) (LOEt-) have been synthesised and their reactions with [Ir-I(cod)Cl](2) (cod = 1,5-cyclooctadiene) and [Rh-2(II)(OAc)(4)] (OAc- = acetate) have been studied. The treatment of [(Bu4N)-N-n][Re-VI(N)Cl-4] with NaLOEt in methanol afforded the Re-VI nitride [Re-VI(L-OEt)(N)Cl(OMe)] (1). Reactions of 1 with [Ir-I(cod)Cl](2) and [Rh-2(II)(OAc)(4)] gave the mu-nitrido complexes [(L-OEt)(OMe)ClReVI(mu-N)Ir-I(cod)Cl] (2) and [Rh-2(II)(OAc)(4){(mu-N)Re-VI(L-OEt)(OMe)Cl}(2)] (4), respectively. [(L-OEt)Cl(PPh3)Re-V(mu-N)Ir-I(cod)Cl] (3) and [(L-OEt)Cl(PPh3)Re-VI(mu-N)Ir-I(cod)Cl][PF6](3 center dot PF6) have been synthesised from the reactions of [Ir-I(cod)Cl](2) with [(ReLOEt)-L-V(N)Cl(PPh3)] and [(ReLOEt)-L-VI(N)Cl(PPh3)](PF6), respectively. Similarly, the redox pair [Rh-2(II)(OAc)(4){(mu-N) Re-V(L-OEt)(PPh3)Cl}(2)] (5) and [Rh-2(II)(OAc)(4){(mu-N)Re-VI(L-OEt)(PPh3)Cl}(2)](PF6)(2) (5 center dot(PF6)(2)) have been synthesised from the reactions of [Rh-2(OAc)(4)] with [(ReLOEt)-L-V(N)Cl(PPh3)] and [(ReLOEt)-L-VI(N)Cl(PPh3)](PF6), respectively. While [(L-OEt)Cl2RuVI(mu-N)Ir-I(cod)] (6) was obtained from [Ru-VI(L-OEt)(N)Cl-2] and [Ir-I(cod)Cl](2), the interaction between [Ru-VI(L-OEt)(N)Cl-2] and [Rh-2(II)(OAc)(4)] in CH2Cl2 is reversible. The crystal structures of complexes 2, 3, 3 center dot PF6, 5, 5 center dot(PF6) 2 and 6 have been determined. X-ray crystallography indicates that the nitrido bridges in 2, 3, 3 center dot PF6 and 6 can be described as M N-Ir (M = Re, Ru) showing Ir-N multiple bond character, whereas the interaction between Re N and Rh in 5 and 5 center dot(PF6)(2) is mostly of the donor-acceptor type. The electrochemistry of the Re nitrido complexes has been investigated by cyclic voltammetry.
机译:合成了含有Klaui三脚架配体[Co(eta(5)-C5H5){P(O)(OEt)(2)}(3)]-(LOEt-)的hen氮化物,它们与[Ir研究了-I(cod)Cl](2)(cod = 1,5-环辛二烯)和[Rh-2(II)(OAc)(4)](OAc- =乙​​酸酯)。用甲醇中的NaLOEt处理[(Bu4N)-Nn] [Re-VI(N)Cl-4],得到Re-VI氮化物[Re-VI(L-OEt)(N)Cl(OMe)](1 )。 1与[Ir-I(cod)Cl](2)和[Rh-2(II)(OAc)(4)]的反应得到了mu-nitrido配合物[(L-OEt)(OMe)ClReVI(mu- N)Ir-I(cod)Cl](2)和[Rh-2(II)(OAc)(4){(mu-N)Re-VI(L-OEt)(OMe)Cl}(2)] (4)分别。 [(L-OEt)Cl(PPh3)Re-V(mu-N)Ir-I(cod)Cl](3)和[(L-OEt)Cl(PPh3)Re-VI(mu-N)Ir-从[Ir-I(cod)Cl](2)与[(ReLOEt)-LV(N)Cl(PPh3)]的反应合成了I(cod)Cl] [PF6](3个中心点PF6), [(ReLOEt)-L-VI(N)Cl(PPh3)](PF6)分别。同样,氧化还原对[Rh-2(II)(OAc)(4){(mu-N)Re-V(L-OEt)(PPh3)Cl}(2)](5)和[Rh-2( II)(OAc)(4){(mu-N)Re-VI(L-OEt)(PPh3)Cl}(2)](PF6)(2)(已经有5个中心点(PF6)(2))由[Rh-2(OAc)(4)]与[(ReLOEt)-LV(N)Cl(PPh3)]和[(ReLOEt)-L-VI(N)Cl(PPh3)](PF6 ), 分别。从[Ru-VI(L-OEt)(N)Cl-2]和[Ir-I(cod)获得[(L-OEt)Cl2RuVI(mu-N)Ir-I(cod)](6)。 Cl](2)中,CH2Cl2中的[Ru-VI(L-OEt)(N)Cl-2]和[Rh-2(II)(OAc)(4)]之间的相互作用是可逆的。已经确定了配合物2、3、3中心点PF6、5、5中心点(PF6)2和6的晶体结构。 X射线晶体学表明,在2、3、3个中心点PF6和6中的亚硝基桥可描述为具有Ir-N多键特性的M N-Ir(M = Re,Ru),而Re N和5和5个中心点(PF6)(2)中的Rh主要是供体-受体类型。通过循环伏安法研究了Re亚硝基配合物的电化学。

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