Metallo-Cryptophanes Decorated with Bis-N-Heterocyclic Carbene Ligands: Self-Assembly and Guest Uptake into a Nonporous Crystalline Lattice

Pd3L2 metallo-cryptophane cages with cyclotriveratrylene-type L ligands can be stabilized by use of a bis-N-heterocyclic carbene as an auxiliary cis-protecting ligand, while use of more common protecting chelating ligands such as ethylenediamine saw a Pd3L2 to Pd6L8 rearrangement occur in solution....

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Published inJournal of the American Chemical Society Vol. 136; no. 41; pp. 14393 - 14396
Main Authors Henkelis, James J, Carruthers, Christopher J, Chambers, Scott E, Clowes, Rob, Cooper, Andrew I, Fisher, Julie, Hardie, Michaele J
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 15.10.2014
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
STORAGE
HYDROGEN
COORDINATION
IODINE
CAGES
ORGANIC FRAMEWORKS
CAPTURE
SOLVENT
I-2
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Summary:Pd3L2 metallo-cryptophane cages with cyclotriveratrylene-type L ligands can be stabilized by use of a bis-N-heterocyclic carbene as an auxiliary cis-protecting ligand, while use of more common protecting chelating ligands such as ethylenediamine saw a Pd3L2 to Pd6L8 rearrangement occur in solution. The crystalline Pd3L2 complexes act as sponges, taking up 1,2-dichorobenzene or iodine in a single-crystal-to-single-crystal fashion despite not exhibiting conventional porosity.
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content type line 23
ISSN:0002-7863
1520-5126
DOI:10.1021/ja508502u