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Lanthanide−Transition Heterometallic Extended Structures with Novel Orthogonal Metalloligand as Building Block

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journal contribution
posted on 14.03.2003, 00:00 by Zheng He, Cheng He, En-Qing Gao, Zhe-Ming Wang, Xiao-Fan Yang, Chun-Sheng Liao, Chun-Hua Yan
One-dimensional lanthanide−transition heterometallic chains of squares, {LnNi2L3(HL)(DMF)4(ClO4)4·S} (Ln = Gd and Tb; HL is the Schiff base obtained by the condensation of 2-pyridylaldehyde with isonicotinic hydrazide N-oxide; S = solvent) and {LnNi2L4(DMF)4(ClO4)3·S} (Ln = Dy; S = solvent), were synthesized by self-assembly between well-designed orthogonal metalloligands [Ni(HL)L]+ and the Ln(III) ions, which act as the bridging units and nodes, respectively.