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Volumn 39, Issue 4, 2000, Pages 757-764

Synthesis and properties of iron(II) and manganese(II) complexes derived from a topologically constrained pentadentate ligand

Author keywords

[No Author keywords available]

Indexed keywords

5 METHYL 1,5,9,24,25 PENTAAZAPENTACYCLO[7.7.7.5.5]PENTACOSANE 11,13,15,18(25),20,22 HEXENE; FERROMAGNETIC MATERIAL; HEXANE; IRON COMPLEX; MANGANESE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 0034695855     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic981410f     Document Type: Article
Times cited : (25)

References (63)
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    • (1994) ACS Symposium Series 565 , pp. 148-164
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  • 3
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    • Ligand Design for Enhanced Molecular Organization - Selectivity and Specific Sequencing in Multiple Receptor Ligands, and Orderly Molecular Entanglements
    • Fabbrizzi, L., Ed.; Kluwer: Dordrecht
    • (c) Busch, D. H. Ligand Design for Enhanced Molecular Organization - Selectivity and Specific Sequencing in Multiple Receptor Ligands, and Orderly Molecular Entanglements. In Transition Metal Ions in Supramolecular Chemistry; Fabbrizzi, L., Ed.; Kluwer: Dordrecht, 1994; pp 55-79.
    • (1994) Transition Metal Ions in Supramolecular Chemistry , pp. 55-79
    • Busch, D.H.1
  • 23
    • 12944319652 scopus 로고    scopus 로고
    • note
    • It is commonly assumed that the necessity for changing the conformation of a ligand in order to form a metal complex will make it difficult to bind the ligand. This is a fallacy. Interchanging conformations is an essential part of the process of binding a complicated ligand to a metal ion, so that flexibility actually makes complexing easier in the mechanistic sense. Since bonds to metal ions are essentially always formed or broken one at a time and since almost all solution reactions involve metal ions that are already bound to other ligands (solvent, counterions, etc.), perfect preorganization of a complicated ligand so that it is ideally complementary to a metal ion constitutes a major kinetic barrier to binding. It is necessary for that perfectly preorganized ligand to rearrange itself so that the first, second, etc. bond to the metal ion can be formed. This is why the rates of binding decrease in the order monodentate ligand, flexible linear chelate > macrocycle > cryptate, for example.
  • 34
    • 0040070500 scopus 로고
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    • (1991) J. Am. Chem. Soc. , vol.113 , pp. 3810
    • Larson, E.J.1    Pecoraro, V.L.2
  • 37
    • 0001596517 scopus 로고
    • Pryor, W. A., Ed.; Academic Press; New York
    • (b) Janzen, E. G. In Free Radicals in Biology; Pryor, W. A., Ed.; Academic Press; New York, 1979; Vol. IV, p 115.
    • (1979) Free Radicals in Biology , vol.4 , pp. 115
    • Janzen, E.G.1
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    • 0003505440 scopus 로고
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  • 63
    • 0004150157 scopus 로고    scopus 로고
    • (including SHELXS and SHELXL), University of Göttingen
    • Sheldrick, G. M. SHELX-96 (beta-test) (including SHELXS and SHELXL), University of Göttingen, 1996.
    • (1996) SHELX-96 (Beta-test)
    • Sheldrick, G.M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.