ジメチルホルムアミド溶液中における二価銅と酢酸イオンの平衡
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Equilibria between copper (II) and acetate in N, N-dimethylformamide are written as follows : [Chemical formula] where Ac^- denotes the acetate anion. Cupric acetate was found to exist primarily as dimeric species in the solution from electron spin resonance data. Equilibrium constants are calculated as log K=3.79,log K'=0.82 from paramagnetic susceptibilities of solutions determined by nuclear magnetic resonance spectra. From absorption at 704 nm, these are calculated as log K=3.48,log K'=0.31. Though an absorption band at 370 nm has been assigned to the dimeric copper(II) species, monomeric acetate-coordinated species was found to show a considerable absorbance in this region.
- 公益社団法人日本薬学会の論文
- 1976-11-25
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- ジメチルホルムアミド溶液中における二価銅と酢酸イオンの平衡
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