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Anion binding in aqueous media by a tetra-triazolium macrocycle.

Abstract:

Three tetra-triazole macrocycles were synthesized in good yields by the copper(i)-catalysed cycloaddition of bis-triazole azides and bis-alkynes. One of these was alkylated to give a cyclic tetra-triazolium receptor, which complexes anions strongly in competitive DMSO-water mixtures. In 1 : 1 DMSO-water, the tetracationic receptor exhibits a preference for the larger halides, bromide and iodide, with all halides associating more strongly than the oxoanion, acetate. The sulfate dianion is comp...

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Publication status:
Published

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Publisher copy:
10.1039/c2ob25934f

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
Journal:
Organic and biomolecular chemistry
Volume:
10
Issue:
34
Pages:
6951-6959
Publication date:
2012-09-01
DOI:
EISSN:
1477-0539
ISSN:
1477-0520
Source identifiers:
344140
Language:
English
Pubs id:
pubs:344140
UUID:
uuid:3b37db64-0d54-4f90-81e1-8a5624435a84
Local pid:
pubs:344140
Deposit date:
2012-12-19

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