Exploring the scope of macrocyclic “shoe-last” templates in the mechanochemical synthesis of Rho topology zeolitic imidazolate frameworks (ZIFs)

Ivana Brekalo; David E. Deliz; Christopher M. Kane; Tomislav Friščić; K. Travis Holman

doi:10.3390/molecules25030633

Exploring the scope of macrocyclic “shoe-last” templates in the mechanochemical synthesis of Rho topology zeolitic imidazolate frameworks (ZIFs)

Ivana Brekalo, David E. Deliz, Christopher M. Kane, Tomislav Friščić^*, K. Travis Holman

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	633
Journal	Molecules
Volume	25
Issue number	3
DOIs	https://doi.org/10.3390/molecules25030633
Publication status	Published - 1 Feb 2020

Bibliographical note

Publisher Copyright:
© 2020 by the authors.

Keywords

Mechanochemical synthesis
Microporous materials
Templation
Zeolitic imidazolate frameworks

ASJC Scopus subject areas

Analytical Chemistry
Chemistry (miscellaneous)
Molecular Medicine
Pharmaceutical Science
Drug Discovery
Physical and Theoretical Chemistry
Organic Chemistry

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title = "Exploring the scope of macrocyclic “shoe-last” templates in the mechanochemical synthesis of Rho topology zeolitic imidazolate frameworks (ZIFs)",

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.",

keywords = "Mechanochemical synthesis, Microporous materials, Templation, Zeolitic imidazolate frameworks",

author = "Ivana Brekalo and Deliz, \{David E.\} and Kane, \{Christopher M.\} and Tomislav Fri{\v s}{\v c}i{\'c} and \{Travis Holman\}, K.",

note = "Publisher Copyright: {\textcopyright} 2020 by the authors.",

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doi = "10.3390/molecules25030633",

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AU - Brekalo, Ivana

AU - Deliz, David E.

AU - Kane, Christopher M.

AU - Friščić, Tomislav

AU - Travis Holman, K.

PY - 2020/2/1

Y1 - 2020/2/1

N2 - 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.

AB - 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.

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Exploring the scope of macrocyclic “shoe-last” templates in the mechanochemical synthesis of Rho topology zeolitic imidazolate frameworks (ZIFs)

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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