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Arene Selectivity by a Flexible Coordination Polymer Host

DOI: 10.1002/chem.201601870 DOI Help

Authors: James Wright (University of Sheffield) , Inigo Vitorica (University of Manchester) , Stephen Thompson (Diamond Light Source) , Lee Brammer (University of Sheffield)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemistry - A European Journal

State: Published (Approved)
Published: August 2016

Open Access Open Access

Abstract: The coordination polymers [Ag4(O2CCF3)4(phen)3]⋅phen⋅arene (1⋅phen⋅arene) (phen=phenazine; arene=toluene, p-xylene or benzene) have been synthesised from the solution phase in a series of arene solvents and crystallographically characterised. By contrast, analogous syntheses from o-xylene and m-xylene as the solvent yield the solvent-free coordination polymer [Ag4(O2CCF3)4(phen)2] (2). Toluene, p-xylene and benzene have been successfully used in mixed-arene syntheses to template the formation of coordination polymers 1⋅phen⋅arene, which incorporate o- or m-xylene. The selectivity of 1⋅phen⋅arene for the arene guests was determined, through pairwise competition experiments, to be p-xylene>toluene≈benzene>o-xylene>m-xylene. The largest selectivity coefficient was determined as 14.2 for p-xylene:m-xylene and the smallest was 1.0 for toluene:benzene.

Subject Areas: Chemistry, Materials

Instruments: I11-High Resolution Powder Diffraction

Added On: 02/08/2016 23:51

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