Thyminate(2−)-bridged cyclic tetranuclear rhodium(iii) complexes formed by a template of a sodium, calcium or lanthanoid ion
2015
Kashima, Ayana | Sakate, Mika | Ota, Hiromi | Fuyuhiro, Akira | Sunatsuki, Yukinari | Suzuki, Takayoshi
In the thyminate(2−)-bridged tetranuclear Cp*Rhᴵᴵᴵ complexes incorporating a Na⁺, Ca²⁺ or Ln³⁺ cation, homochiral aggregation of four Rhᴵᴵᴵ centres was achieved to form metallacalix[4]arene-type clusters. The thyminate(2−) bridged two Rhᴵᴵᴵ and the third metal ion with a μ₃-1κN¹:2κ²N³,O²:3κO² mode in the Na⁺ and Ca²⁺ complexes, while in the Ln³⁺ analogues it exhibited a different bridging mode, μ₃-1κN¹:2κ²N³,O⁴:3κO².
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