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The synthesis, stru...
The synthesis, structure, topology and catalytic application of a novel cubane-based copper(II) metal-organic framework derived from a flexible amido tripodal acid
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- Karmakar, Anirban, 1983 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Oliver, C. L. (författare)
- University of Cape Town
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- Roy, S. (författare)
- Instituto Superior Tecnico
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- Öhrström, Lars, 1963 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: Dalton Transactions. - : Royal Society of Chemistry (RSC). - 1477-9226 .- 1477-9234. ; 44:22, s. 10156-10165
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https://pubs.rsc.org...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A novel chiral metal-organic framework, [Cu-4(HL)(2)(H2O)(4)(MeO)(4)](n) (1), has been successfully synthesized from a tripodal flexible ligand (2S, 2'S, 2 '' S)- 2,2', 2 ''-(benzenetricarbonyltris(azanediyl)) tripropanoic acid (H3L). Compound 1 was characterized by IR and X-ray powder diffraction analysis. The structure was determined by X-ray single crystal diffraction analysis revealing that 1 possesses a 3D network, featuring a tetranuclear cubane-type secondary building block [Cu-4(MeO)(4)](4+), formed via the connection of four metal ions to four methoxide ions. These secondary building blocks are linked by four different HL2- ligands to construct a porous three dimensional framework of the dia topology with one-dimensional channels. Compound 1 also acts as a heterogeneous catalyst for the diastereoselective nitroaldol (Henry) reaction, providing high yields (up to 91%) and good diastereoselectivities under ambient conditions. This catalyst can be recycled without significant loss of activity.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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