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Author

Lah, Myoung Soo
Nanoporous Materials Lab
Research Interests
  • Metal-Organic Frameworks (MOFs)

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Steric control of a bridging ligand for high-nuclearity metallamacrocycle formation: A highly puckered 60-membered icosanuclear metalladiazamacrocycle

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Title
Steric control of a bridging ligand for high-nuclearity metallamacrocycle formation: A highly puckered 60-membered icosanuclear metalladiazamacrocycle
Author
Moon, DohyunLee, KyungjaeJohn, Rohith P.Kim, Ghyung HwaSuh, Byoung JinLah, Myoung Soo
Keywords
MOLECULAR SQUARE; RECOGNITION AGENTS; MANGANESE CLUSTER; HOST-GUEST; HEXANUCLEAR; COMPLEXES; FRAMEWORK; WHEEL; NETWORKS; METALLACROWNS
Issue Date
200610
Publisher
AMER CHEMICAL SOC
Citation
INORGANIC CHEMISTRY, v.45, no.20, pp.7991 - 7993
Abstract
A novel S4-symmetric icosanuclear manganese metalladiazamacrocycle was synthesized using a pentadentate ligand, N-3-phenyl-trans-2-propenoylsalicylhydrazide (H3L), that has a rigid and bulky terminal N-acyl group. A 20 cyclic repeat of an -(Mn-N-N)-linkage resulted in a highly puckered diaza-bridged 60-membered icosanuclear metallamacrocycle. The steric interaction between the ligands in the cyclic system leads to five consecutive MnIII centers in a chemically different -(MnAMnBMnCMnDMn E)- environment, with the chiralities of the metal centers being in a rather complicated -(ΛΛΔΛΛ) (ΔΔΛΔΔ)- sequence.
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DOI
http://dx.doi.org/10.1021/ic060646d
ISSN
0020-1669
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