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Volumn 38, Issue 3, 1999, Pages 348-351

Supramolecular catalysis of ester and amide cleavage by a dinuclear barium(II) complex

Author keywords

Alkaline earth metals; Enzyme mimetics; Macrocyclic ligands; Supramolecular chemistry

Indexed keywords

AMIDE; BARIUM DERIVATIVE; ESTER; METAL COMPLEX;

EID: 0033083324     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1521-3773(19990201)38:3<348::AID-ANIE348>3.0.CO;2-D     Document Type: Article
Times cited : (41)

References (36)
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    • note
    • Reactions of 3 and 5 are more sensitive to the presence of the metal ion than the corresponding reactions of 4 and 6 because binding to the barium ion transforms an electron-donating (rate-retarding) carboxylate into an electron-withdrawing (rate-enhancing) carboxylatemetal ion pair.
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    • note
    • The close similarity of the two values would indicate that the higher affinity for the monometallic complex of the more basic AcO ion is substantially counterbalanced by the statistical factor 2 which operates in the binding of the less basic 3 to the bimetallic complex. The fact that the ligand is not exactly the same in the two cases is presumably unimportant.
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    • inter refers to the intermolecular model reaction. For a discussion of structure effects on the EM value see: a) A. J. Kirby, Adv. Phys. Org. Chem. 1980, 17, 183-278; b) L. Mandolini, Adv. Phys. Org. Chem. 1986, 22, 1-111.
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    • inter refers to the intermolecular model reaction. For a discussion of structure effects on the EM value see: a) A. J. Kirby, Adv. Phys. Org. Chem. 1980, 17, 183-278; b) L. Mandolini, Adv. Phys. Org. Chem. 1986, 22, 1-111.
    • (1986) Adv. Phys. Org. Chem. , vol.22 , pp. 1-111
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.