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Cited by 16 publications
(27 citation statements)
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“…Therefore, understanding the electrochemistry of derivatives of 1 is crucial for the rational design of catalysts based on the structure of cobalamin. In the case of meso ‐functionalized derivatives, namely, 1 – 3 , 5 , 7 , and 9 , all voltammograms show a quasi‐reversible reduction peak that is ascribed to the two‐electron reduction of Co III to Co I (Figure ) . Similarly to porphyrins, the nature of substituents at the periphery of the macrocycle affect the reduction potentials of 1 , which cause variations in the cathodic peak potential, E pc , between about −1 and −0.7 V versus Ag/AgCl (Table ).…”
Section: Resultsmentioning
confidence: 99%
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“…Therefore, understanding the electrochemistry of derivatives of 1 is crucial for the rational design of catalysts based on the structure of cobalamin. In the case of meso ‐functionalized derivatives, namely, 1 – 3 , 5 , 7 , and 9 , all voltammograms show a quasi‐reversible reduction peak that is ascribed to the two‐electron reduction of Co III to Co I (Figure ) . Similarly to porphyrins, the nature of substituents at the periphery of the macrocycle affect the reduction potentials of 1 , which cause variations in the cathodic peak potential, E pc , between about −1 and −0.7 V versus Ag/AgCl (Table ).…”
Section: Resultsmentioning
confidence: 99%
“…In the case of meso-functionalized derivatives, namely, 1-3, 5, 7, and 9,a ll voltammograms show aq uasi-reversible reduction peak that is ascribed to the two-electron reduction of Co III to Co I (Figure 8). [15,17,48] Similarly to porphyrins, the nature of substituents at the peripheryo ft he macrocycle affect the reduction potentials of 1, [49][50][51][52][53] which causev ariations in the cathodic peak potential, E pc ,b etween about À1a nd À0.7V versus Ag/ AgCl (Table7). As expected, the derivativew ith the most electron-withdrawing group, ÀNO 2 ,e xhibits the highest reduction potential.…”
Section: Photophysical Properties Of Meso-substituted Cobalaminsmentioning
confidence: 99%
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“…Since their discovery in the 1960s, bis­(diorganyldioximato) cobalt­(III) complexes (“cobaloximes”; Chart ) such as [CoR­(Hdmg) 2 (L)] (Hdmg = dimethylglyoximate; R = e.g., CN, Alkyl; L = neutral ligand), which are structurally closely related to the corresponding cobalt­(II) complexes [Co­(Hdmg) 2 (L) 2 ], have been in the focus of numerous research groups. The organometallic cobalt­(III) complexes are not only useful models for cobalamines, biologically important compounds of the vitamin B 12 family, but are also of interest as homogeneous catalysts for various radical reactions . An important feature of cobaloximes is the versatile reactivity of the Co–C bond.…”
Section: Introductionmentioning
confidence: 99%