Synthesis and characterization of low-nuclearity lantern-type porous coordination cages

Permanent porosity in lantern-type M 4 L 4 paddlewheel-based cages is rare and has only been reported for naphthalene, naphthyridine, and diethynylbenzene-based linkers. This work presents the design, synthesis, and characterization of small lanterns that exhibit CO 2 accessible BET surface areas in...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-08, Vol.56 (63), p.8924-8927
Main Authors: Taggart, Garrett A, Lorzing, Gregory R, Dworzak, Michael R, Yap, Glenn P. A, Bloch, Eric D
Format: Article
Language:English
Subjects:
Cages
Coordination
Crystallography
Lanterns
Naphthalene
Porosity
Synthesis
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Summary:Permanent porosity in lantern-type M 4 L 4 paddlewheel-based cages is rare and has only been reported for naphthalene, naphthyridine, and diethynylbenzene-based linkers. This work presents the design, synthesis, and characterization of small lanterns that exhibit CO 2 accessible BET surface areas in excess of 200 m 2 g −1 . The crystal packing and porosity of these cages can be tuned by either ligand functionalization or the choice of M 2+ source used in their synthesis. Given their low nuclearity, these cages with internal M-M distances of less than 5 Å represent the lower size limit for permanently microporous coordination cages. This work presents the design, synthesis, and characterization of small lanterns with BET surface areas in excess of 200 m 2 g −1 . These cages represent the lower size limit for permanently microporous coordination cages.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc03266b