Yenuganti, Mahesh; Das, Sandip; Kulbir; Ghosh, Somnath; Bhardwaj, Prabhakar; Pawar, Sonali Shivaji; Sahoo, Subash Chandra; Kumar, Pankaj published an article in 2020, the title of the article was Nitric oxide dioxygenation (NOD) reactions of CoIII-peroxo and NiIII-peroxo complexes: NOD versus NO activation.Quality Control of 2,4-Di-tert-butylphenol And the article contains the following content:
Here, we report the nitric oxide dioxygenation (NOD) reactions of NiIII-peroxo, [(12-TMC)NiIII(O22-)]+ (NiIII-O22-, 1), and CoIII-peroxo, [(12-TMC)CoIII(O22-)]+ (CoIII-O22-, 2), complexes bearing N-tetramethylated cyclam (TMC) ligands. The reaction of complex 1 with nitric oxide (NO) generates NiII-nitrato complex [(12-TMC)NiII(NO3-)]+ (NiII-NO3-, 3). However, in contrast to the NOD reaction of 1, compound 2 produces CoII-nitrito complex, [(12-TMC)CoII(NO2-)]+ (CoII-NO2-, 4), with O2 gas formation. Results suggested the formation of a presumptive Ni-peroxynitrite ([Ni-PN]+, [Ni-ONOO-]+) intermediate, in the NOD reaction of 1, prior to the generation of NiII-NO3- (3). Although the end product of the reaction of 2 with NO is different from that of 1, the mechanistic study explored by using 2,4-di-tert-butylphenol (2,4-DTBP) suggested that the reaction of 2 with NO also occurs via a presumed Co-peroxynitrite ([Co-PN]+, [Co-ONOO-]+) intermediate. Furthermore, exploring these NOD reactions and tracking the oxygen atom using 18O-labeled hydrogen peroxide (H218O2) revealed that two oxygen atoms of 3 (NiII-18O2N16O-) and one oxygen atom of 4 (CoII-18ON16O-) are derived from the peroxo (O22-) moieties of 1 and 2, resp. This work is the first-ever report which showed the exact NO dioxygenase (NOD) enzyme catalytic cycle. Furthermore, we have also explored the NO activation of 3 and 4, and surprisingly, we observed the formation of Co-nitrosyl (5) from 4 upon reaction with NO; in contrast, 3 was unreactive towards NO. Evidence supporting the formation of [Ni-PN]+ and [Co-PN]+ intermediates is also presented. The experimental process involved the reaction of 2,4-Di-tert-butylphenol(cas: 96-76-4).Quality Control of 2,4-Di-tert-butylphenol
The Article related to cobalt nickel peroxo complex nitric oxide dioxygenation gas, Placeholder for records without volume info and other aspects.Quality Control of 2,4-Di-tert-butylphenol
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