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Double-Stranded Binuclear Helicates and Helicity Modulation
Mili C. Naranthatta, Sreenivasulu Bandi,
Published in American Chemical Society
2016
Volume: 16
   
Issue: 12
Pages: 6722 - 6728
Abstract
All of the reported self-assembled complexes of cis-Pd2L′2L2 formulation, where L′ stands for a chelating bidentate ligand and L for a nonchelating bidentate ligand, are "non-helical". We disclose here the debut of the long awaited "helicate" type architecture of the cis-Pd2L′2L2 formulation. In the present work, the term L′ stands for tetramethylethylenediamine (tmeda) and L stands for a (1H-imidazolyl)methyl-appended bidentate nonchelating ligand having a rigid spacer. The torsion angle between the two coordination PdN4 planes of a given "helicate" is considered here as its magnitude of helicity. Length of spacer unit (i.e., 1,4-benzene, 4,4′-biphenyl and 4,4′-p-terphenyl) crafted in the backbone of L is found to impart such conformation to the bound ligand moieties that the magnitude of helicity is modulated. © 2016 American Chemical Society.
About the journal
JournalData powered by TypesetCrystal Growth and Design
PublisherData powered by TypesetAmerican Chemical Society
ISSN15287483
Open AccessNo
Concepts (10)
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    Palladium compounds
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    Bidentate ligands
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    BOUND LIGANDS
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    HELICITY MODULATION
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    P-TERPHENYL
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    SELF ASSEMBLED COMPLEXES
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    SPACER UNITS
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    Tetramethylethylenediamine
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    TORSION ANGLE
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    Ligands