1982
DOI: 10.1002/zaac.19824850116
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Struktur‐Reaktivitäts‐Beziehungen bei koordinativ ungesättigten Chelatkomplexen. II. Zum Einfluß der Ligandsubstituenten auf die Akzeptortendenz planarer Kupferkomplexe

Abstract: Die Effekte der Ligandsubstituenten R, R1, R2 und R′ auf die Akzeptortendenz planarer Kupferchelate I, II und III wurden durch photometrische Messung von Gleichgewichtskonstanten (und, z. T., thermodynamischen Daten) für die Adduktbildung mit Pyridin untersucht. Die Vis‐Spektren für bekannte und einige neue Komplexe in Benzen und Pyridin werden diskutiert. Alle Komplexe I und II, aber nicht die Makrozyklen III, bilden in Lösung Monoaddukte. Die Redoxeigenschaften einiger Komplexe werden durch voltammetrische D… Show more

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Cited by 27 publications
(2 citation statements)
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“…Jäger et al [10][11][12][13] described a large series of openchain azomethine N 2 O 2 -ligands based on 2-ethoxymethylidene-1,3-dicarbonyl compounds and 1,2-diamines, which were used to synthesize coordination compounds with nickel(II), copper(II), cobalt(II), and iron(II). Studies on the properties of these complexes, such as electronic state of the central atom, reductive potential, and ability to transfer and activate oxygen, carbon dioxide, nitrogen oxide, etc., showed their structural and functional similarity to active sites of metalloenzymes [14,15].…”
mentioning
confidence: 99%
“…Jäger et al [10][11][12][13] described a large series of openchain azomethine N 2 O 2 -ligands based on 2-ethoxymethylidene-1,3-dicarbonyl compounds and 1,2-diamines, which were used to synthesize coordination compounds with nickel(II), copper(II), cobalt(II), and iron(II). Studies on the properties of these complexes, such as electronic state of the central atom, reductive potential, and ability to transfer and activate oxygen, carbon dioxide, nitrogen oxide, etc., showed their structural and functional similarity to active sites of metalloenzymes [14,15].…”
mentioning
confidence: 99%
“…Non fluorinated 2 ethoxy methylidene 1,3 dicarbonyl compounds in reactions with 1,2 diamines form biscondensation products at the ethoxymethylidene moiety 10-12 and related metal com plexes. [13][14][15][16] It is possible to obtain monocondensation products [17][18][19] from which symmetric and asymmetric ligands 20 were synthesized, including the macrocyclic ligands 15,17-20 used in the synthesis of the metallocomplex compounds. [17][18][19][20] Schiff bases obtained by transformations of 2 ethoxymethylidene 3 oxo 3 fluoroalkylpropionates with different diamines can also serve as organic mol ecules forming the ligand shell.…”
mentioning
confidence: 99%