Four new Al-based microporous metal-organic framework compounds with MIL-53-type structure containing functionalized extended linker molecules

Halis, Selda; Reimer, Nele; Klinkebiel, Arne; Lüning, Ulrich; Stock, Norbert

doi:10.1016/j.micromeso.2015.01.030

Cited by 35 publications

(22 citation statements)

References 24 publications

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“…54 Recently, DUT-5-amine and DUT-5-nitro were synthesized successfully applying 2-amine-4,4'-biphenyldicarboxylic acid and 2-nitro-4,4'-biphenyldicarboxylic acid in the framework synthesis. 55 However, so far none of the frameworks bearing free functional groups have been applied in post-synthetic modification reactions. In the present work, functionalized 4,4'-biphenyldicarboxylic acid molecules with an additional amine, alkyne, azide or nitro group were used.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and post-synthetic modification of amine-, alkyne-, azide- and nitro-functionalized metal–organic frameworks based on DUT-5

et al. 2015

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Functionalized 4,4'-biphenyldicarboxylic acid molecules with additional amine, alkyne, azide or nitro groups were prepared and applied in the synthesis of novel metal-organic frameworks and mixed-linker metal-organic frameworks isoreticular to DUT-5. The properties of the frameworks could be tuned by varying the number of functional groups in the materials and the amine groups were employed in post-synthetic modification reactions without changing the framework structure or significantly decreasing the porosity of the materials.

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Section: Introductionmentioning

confidence: 99%

Synthesis and post-synthetic modification of amine-, alkyne-, azide- and nitro-functionalized metal–organic frameworks based on DUT-5

et al. 2015

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“…Halis et al . reported some analogues of DUT‐4 and DUT‐5 with similar functionalities added to the linkers, while a variant of DUT‐5 using 2‐phenylpyridine‐5,4′‐dicarboxylate (23) has also been described …”

Section: The Crystal Chemistry Of Mil‐53mentioning

confidence: 99%

MIL‐53 and its Isoreticular Analogues: a Review of the Chemistry and Structure of a Prototypical Flexible Metal‐Organic Framework

Millange

Walton

2018

Israel Journal of Chemistry

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We present a review of the structural chemistry of metal-organic framework materials with the MIL-53 type structure. This family of materials is well-known for its structural flexibility, and also the wide variety of metal cations and functional ligands that can be included. This gives rise to a set of multivariate materials and isoreticular analogues, to which isoreticular functionalisation can also be applied. Starting from the parent structure, containing infinite chains of octahedral trivalent metal cations cross-linked by benzene-1,4-dicarboxylate, we illustrate the compositional variety possible: this includes materials that contain tetravalent and divalent cations, mixtures of metal cations, functionalised ligands, expanded structures from extended linkers and inclusion of pendant ligands. We emphasise the crystal chemistry of this group of materials, but will give some examples of properties, particularly those associated with the structural breathing effect of relevance to molecular sieving, and also discuss emerging practical applications.

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“…Previously, functionalized DUT-5 materials with sulfone, amine and nitro groups have been published, which were used in the gas phase adsorption of alkanes, alkenes and aromatics. [23] Furthermore, DUT-5 and mixed-linker DUT-5 bearing amine, alkyne, azide and nitro groups with various degree of functionalization have been synthesized by our group. [24] These amine-functionalized MIXDUT-5 materials were used for post-synthetic modification reactions with maleic anhydride, salicylaldehyde and 2-pyridinecarboxaldehyde.…”

Section: Introductionmentioning

confidence: 99%

Post‐synthetic Modification of DUT‐5‐based Metal Organic Frameworks for the Generation of Single‐site Catalysts and their Application in Selective Epoxidation Reactions

et al. 2020

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New single‐site catalysts based on mixed‐linker metal‐organic frameworks with DUT‐5 structure, which contain immobilized Co2+, Mn2+ and Mn3+ complexes, have successfully been synthesized via post‐synthetic modification. 2,2’‐Bipyridine‐5,5’‐dicarboxylate linkers were directly metalated, while 2‐amino‐4,4’‐biphenyldicarboxylate linkers were post‐synthetically modified by their conversion to Schiff‐base ligands and a subsequent immobilization of the metal complexes. The resulting materials were used as catalysts in the selective epoxidation of trans‐stilbene and the activities and selectivities of the different catalysts were compared. The influence of various reaction parameters on conversion, yield and selectivity were investigated. Very low catalyst amounts of 0.02 mol % were sufficient to obtain a high conversion of trans‐stilbene using molecular oxygen from air as the oxidant. For cobalt‐containing MOF catalysts, conversions up to 90 % were observed and, thus, they were more active than their manganese‐containing counterparts. Recycling experiments and hot filtration tests proved that the reactions were mainly catalyzed via heterogeneous pathways.

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Four new Al-based microporous metal-organic framework compounds with MIL-53-type structure containing functionalized extended linker molecules

Cited by 35 publications

References 24 publications

Synthesis and post-synthetic modification of amine-, alkyne-, azide- and nitro-functionalized metal–organic frameworks based on DUT-5

Synthesis and post-synthetic modification of amine-, alkyne-, azide- and nitro-functionalized metal–organic frameworks based on DUT-5

MIL‐53 and its Isoreticular Analogues: a Review of the Chemistry and Structure of a Prototypical Flexible Metal‐Organic Framework

Post‐synthetic Modification of DUT‐5‐based Metal Organic Frameworks for the Generation of Single‐site Catalysts and their Application in Selective Epoxidation Reactions

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