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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Cyclopalladated complexes derived from benzamidoxime
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Cyclopalladated complexes derived from benzamidoxime

机译:苯甲酰胺肟衍生的环钯配合物

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Cyclopalladated benzamidoxime complexes [Pd{C,N-C_6H_4{C(NH_2)vNOH}-2}Cl(L)] (L = PTol_3, Tol = C_6H_4Me-4 (2a); XyNC, Xy = C_6H_3Me_2-2,6 (2b); pic, C_5H_4Me-4 (2c)), [Pd{C,N-C_6H_4{C(NH_2)vNOH}-2}(L2)]- ClO_4 (L = pic (3a); L2 = 4,4'-di-tert-butyl-2,2'-bipyridine, tbbpy (3b)) and PPN[Pd{C,N-C_6H_4{C(NH_2)v NOH}-2}Cl_2] (4) are prepared by reacting [Pd{C,N-C_6H_4{C(NH_2)vNOH}-2}(μ-Cl)]_2 (1) with the appropriate neutral ligand or with [PPN]Cl, respectively. The cationic complexes are obtained in the presence of NaClO_4. The reaction of 2a with KtBuO affords the dinuclear oximato complex [Pd{μ-C,N,OC_6H_4{ C(NH_2)=NO}-2}(PTol_3)]_2 (5) or, in the presence of ClCH_2py?HCl, the pincer derivative [Pd{C,N,N'- C_6H_4{C(NH_2)=NOCH_2(C_5H_4N-2)}-2}(PTol_3)]ClO_4 (6). Complex 2b reacts with XyNC to give the iminobenzoyl complex [Pd{C,N-C(N=Xy)C_6H_4{C(NH_2)=NOH}-2}Cl(CNXy)] (7) resulting from the insertion of XyNC into the Pd-C bond. The dinuclear complex [{Pd(tbbpy)}2{C,N,N',O-C_6H_4{C(NH)=NO}-2}]ClO_4 (8) bearing a bridging tetradentate benzimido(oximate) ligand is obtained by reacting Pd(OAc)2 with tbbpy and the metal-ligand complex 3b. The crystal structures of complexes 2a, 6, 7 and 8 have been determined.
机译:环丙醛型苯甲酰胺肟配合物[Pd {C,N-C_6H_4 {C(NH_2)vNOH} -2} Cl(L)](L = PTol_3,Tol = C_6H_4Me-4(2a); XyNC,Xy = C_6H_3Me_2-2,6( 2b);图片,C_5H_4Me-4(2c)),[Pd {C,N-C_6H_4 {C(NH_2)vNOH} -2}(L2)]-ClO_4(L =图片(3a); L2 = 4,4通过反应,制备'-二叔丁基-2,2'-联吡啶,tbbpy(3b))和PPN [Pd {C,N-C_6H_4 {C(NH_2)v NOH} -2} Cl_2](4) [Pd {C,N-C_6H_4 {C(NH_2)vNOH} -2}(μ-Cl)] _ 2(1)分别带有适当的中性配体或[PPN] Cl。在NaClO_4存在下获得阳离子络合物。 2a与KtBuO的反应得到双核肟酸酯络合物[Pd {μ-C,N,OC_6H_4 {C(NH_2)= NO} -2}(PTol_3)] _ 2(5)或在ClCH_2py?HCl的存在下,钳形导数[Pd {C,N,N'- C_6H_4 {C(NH_2)= NOCH_2(C_5H_4N-2)}-2}(PTol_3)] ClO_4(6)。配合物2b与XyNC反应生成亚氨基苯甲酰配合物[Pd {C,NC(N = Xy)C_6H_4 {C(NH_2)= NOH} -2} Cl(CNXy)](7),是由于XyNC插入Pd中-C键。通过桥联四齿苯并亚氨基(肟基)配体获得双核络合物[{Pd(tbbpy)} 2 {C,N,N',O-C_6H_4 {C(NH)= NO} -2}] ClO_4(8)使Pd(OAc)2与tbbpy和金属-配体络合物3b反应。已经确定了配合物2a,6、7和8的晶体结构。

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