Conjugated complexes composed of quinonediimine and palladium: controlled formation of a conjugated trimetallic macrocycle.
A triangle with a calixarene-like cone configuration: the trimetallamacrocycle [{Pd(en)(L)}3 ](6+) (1; L=N,N'-bis(4-dimethylaminophenyl)-1,4-benzoquinonediimine, en=ethylenediamine; see picture for a space-filling view). The coordination array of the redox-active π-conjugated bridging quinonediimine spacer of L and the palladium unit determines whether conjugated 1 or a conjugated polymeric complex is formed.
Moriuchi
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Department of Applied Chemistry Faculty of Engineering, Osaka University Yamada-oka, Suita, Osaka 565-0871, Japan, Fax: (+81) 6-6879-7415.
Miyaishi
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Hirao
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bridging ligands; coordination chemistry; macrocycles; palladium; stacking interactions