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1977•Bulletin of the Chemical Society of JapanRequires access

Studies on Mixed Chelates. VIII. Mixed Copper(II) Chelates with N,N′- and N,N-Dialkylethylenediamines and Acetylacetone

Yutaka Fukuda, Hiroko Okamura, Kôzô Sone

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Abstract

Abstract Mixed chelates [Cu(diamine)(acac)]X(diamine: N,N′- and N,N-dialkylethylenediamines) were studied. Two such chelates with diethyl ligands were obtained in crystalline state, while the formation of chelate cations [Cu(diamine)(acac)]+ in 80% dioxane was studied with dimethyl ligands, and their formation constants estimated. The importance of steric effect in the bis-diamine chelates on the ease of formation of this type of chelate was pointed out.

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Abstract Mixed chelates [Cu(diamine)(acac)]X(diamine: N,N′- and N,N-dialkylethylenediamines) were studied. Two such chelates with diethyl ligands were obtained in crystalline state, while the formation of chelate cations [Cu(diamine)(acac)]+ in 80% dioxane was studied with dimethyl ligands, and their formation constants estimated. The importance of steric effect in the bis-diamine chelates on the ease of formation of this type of chelate was pointed out.

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Available abstract

Abstract Mixed chelates [Cu(diamine)(acac)]X(diamine: N,N′- and N,N-dialkylethylenediamines) were studied. Two such chelates with diethyl ligands were obtained in crystalline state, while the formation of chelate cations [Cu(diamine)(acac)]+ in 80% dioxane was studied with dimethyl ligands, and their formation constants estimated. The importance of steric effect in the bis-diamine chelates on the ease of formation of this type of chelate was pointed out.

Key concepts: Chemistry, Chelation, Acetylacetone, Diamine, Steric effects, Copper, Stability constants of complexes, Polymer chemistry

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