Quality Control of Bromoferrocene. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about The observation of ion-pairing effect based on substituent effect of ferrocene derivatives. Author is Shi, Yujie; Fang, Liu; Li, Xuan; Qu, Liangti; Shao, Huibo.
The ion-pairing effect was studied based on the substituent effect of ferrocene (Fc) derivatives using cyclic voltammetry. The presence of ion-pairing strongly affected the electrochem. redox behavior in the organic solvent. The formal redox potential (E0′, the average of anodic and cathodic peak potential) shifted neg. with the increasing ion-pairing effect. That was because the formation of ion pair (Fc+·ClO-4) was beneficial to equilibrium shift from Fc to Fc+ in thermodn. Electron-donating and electron-withdrawing substituents of ferrocene derivatives were employed for a deep study of ion-pairing effect, resp. Both ion-pairing effect and electron-donating substituent effect facilitated the neg. shift of E0′ for ferrocene derivatives, showing the pos. cooperativity. While the electron-withdrawing substituent effect resulted in the pos. shift of E0′ for ferrocene derivatives and was unfavorable for the oxidation of Fc derivatives, reflecting the neg. cooperativity with ion-pairing effect. The reversal phenomenon of weak electron-withdrawing substituent was revealed when the ion-pairing effect was stronger than the electron-withdrawing substituent effect, indicating that the ion-pairing function has a significant effect on electrochem. behavior of ferrocene derivatives
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com