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Molecules
Volume 25
Issue 3
10.3390/molecules25030633
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Open AccessArticle

Exploring the Scope of Macrocyclic “Shoe-last” Templates in the Mechanochemical Synthesis of RHO Topology Zeolitic Imidazolate Frameworks (ZIFs)

by
Ivana Brekalo
1,
David E. Deliz
1,
Christopher M. Kane
1,
Tomislav Friščić
2,* and
K. Travis Holman
1,*
1
Department of Chemistry, Georgetown University, Washington, D.C. 20057, USA
2
Department of Chemistry, McGill University, Montreal. QC, H3A 0B8, Canada
*
Authors to whom correspondence should be addressed.
Molecules 2020, 25(3), 633; https://doi.org/10.3390/molecules25030633
Received: 16 December 2019 / Revised: 20 January 2020 / Accepted: 22 January 2020 / Published: 1 February 2020
(This article belongs to the Special Issue Recent Development of Mechanochemical Synthesis)
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Abstract

The macrocyclic cavitand MeMeCH2 is used as a template for the mechanochemical synthesis of 0.2MeMeCH2@RHO-Zn16(Cl2Im)32 (0.2MeMeCH2@ZIF-71) and RHO-ZnBIm2 (ZIF-11) zeolitic imidazolate frameworks (ZIFs). It is shown that MeMeCH2 significantly accelerates the mechanochemical synthesis, providing high porosity products (BET surface areas of 1140 m2/g and 869 m2/g, respectively). Templation of RHO-topology ZIF frameworks constructed of linkers larger than benzimidazole (HBIm) was unsuccessful. It is also shown that cavitands other than MeMeCH2—namely MeHCH2, MeiBuCH2, HPhCH2, MePhCH2, BrPhCH2, BrC5CH2—can serve as effective templates for the synthesis of x(cavitand)@RHO-ZnIm2 products. The limitations on cavitand size and shape are explored in terms of their effectiveness as templates. View Full-Text
Keywords: mechanochemical synthesis; zeolitic imidazolate frameworks; templation; microporous materials mechanochemical synthesis; zeolitic imidazolate frameworks; templation; microporous materials
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

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MDPI and ACS Style

Brekalo, I.; Deliz, D.E.; Kane, C.M.; Friščić, T.; Holman, K.T. Exploring the Scope of Macrocyclic “Shoe-last” Templates in the Mechanochemical Synthesis of RHO Topology Zeolitic Imidazolate Frameworks (ZIFs). Molecules 2020, 25, 633. https://doi.org/10.3390/molecules25030633

AMA Style

Brekalo I, Deliz DE, Kane CM, Friščić T, Holman KT. Exploring the Scope of Macrocyclic “Shoe-last” Templates in the Mechanochemical Synthesis of RHO Topology Zeolitic Imidazolate Frameworks (ZIFs). Molecules. 2020; 25(3):633. https://doi.org/10.3390/molecules25030633

Chicago/Turabian Style

Brekalo, Ivana; Deliz, David E.; Kane, Christopher M.; Friščić, Tomislav; Holman, K. Travis. 2020. "Exploring the Scope of Macrocyclic “Shoe-last” Templates in the Mechanochemical Synthesis of RHO Topology Zeolitic Imidazolate Frameworks (ZIFs)" Molecules 25, no. 3: 633. https://doi.org/10.3390/molecules25030633

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