Wu, Tong; Rajabimoghadam, Khashayar; Puri, Ankita; Hebert, David D.; Qiu, Yi Lin; Eichelberger, Sidney; Siegler, Maxime A.; Swart, Marcel; Hendrich, Michael P.; Garcia-Bosch, Isaac published the artcile< A 4H+/4e- Electron-Coupled-Proton Buffer Based on a Mononuclear Cu Complex>, Application of C8H12N2O2, the main research area is copper dimethoxyphenylenebistertbutylurea complex preparation redox potential frontier mol orbital; crystal structure copper dimethoxyphenylenebistertbutylurea complex.
In this research article, we describe a 4H+/4e- electron-coupled-proton buffer (ECPB) based on Cu and a redox-active ligand. The protonated/reduced ECPB (complex 1: [Cu(8H+/14e-)]1+), consisting of CuI with 2 equiv of the ligand (LH4: 1,1′-(4,5-dimethoxy-1,2-phenylene)bis(3-(tert-butyl)urea)), reacted with H+/e- acceptors such as O2 to generate the deprotonated/oxidized ECPB. The resulting compound, (complex 5: [Cu(4H+/10e-)]1+), was characterized by X-ray diffraction anal., NMR (1H-NMR), and d. functional theory, and it is electronically described as a cuprous bis(benzoquinonediimine) species. The stoichiometric 4H+/4e- reduction of 5 was carried out with H+/e- donors to generate 1 (CuI and 2 equiv of LH4) and the corresponding oxidation products. The 1/5 ECPB system catalyzed the 4H+/4e- reduction of O2 to H2O and the dehydrogenation of organic substrates in a decoupled (oxidations and reductions are separated in time and space) and a coupled fashion (oxidations and reductions coincide in time and space). Mechanistic anal. revealed that upon reductive protonation of 5 and oxidative deprotonation of 1, fast disproportionation reactions regenerate complexes 5 and 1 in a stoichiometric fashion to maintain the ECPB equilibrium
Journal of the American Chemical Society published new progress about Crystal structure. 27841-33-4 belongs to class chlorides-buliding-blocks, and the molecular formula is C8H12N2O2, Application of C8H12N2O2.
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