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Thermodynamics of core metal replacement and self-assembly of Ca(2+) 15-metallacrown-5.

Abstract:

The equilibria for core Ca(2+) replacement by Ln(3+) in copper(II) 15-MC-5 complexes have been investigated using a series of visible spectrophotometric titrations of calcium(II) metallacrowns ({Ca(II)[15-MC(Cu(II)(N)(L))-5]}(2+)) with Ln(3+) ions (H(2)L = pheha, (S)-alpha-phenylalaninehydroxamic acid, or trpha, (S)-alpha-tryptophanhydroxamic acid). These studies allowed the determination of the equilibrium constants for the reaction {Ca(II)[15-MC(Cu(II)(N)(L))-5]}(2+) + Ln(3+) --> {Ln(III...

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Publication status:
Published

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Publisher copy:
10.1021/ic100315u

Authors


Furlotti, M More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Pecoraro, VL More by this author
Journal:
Inorganic chemistry
Volume:
49
Issue:
11
Pages:
5190-5201
Publication date:
2010-06-05
DOI:
EISSN:
1520-510X
ISSN:
0020-1669
URN:
uuid:428abec2-49ec-4968-97ed-1473c9188d7c
Source identifiers:
399446
Local pid:
pubs:399446
Language:
English

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