Copper(II)-hydroxide facilitated C-C bond formation: the carboxamido pyridine system versus the methylimino pyridine system was written by Li, Yinghua;Fan, Weibin;Zhang, Zilong;Xie, Xingkun;Xiang, Shiqun;Huang, Deguang. And the article was included in Dalton Transactions in 2020.Related Products of 122637-39-2 This article mentions the following:
A copper(II)-hydroxide-induced carbon-carbon bond formation reaction is explored with the synthesis of an asym. carboxamido-methylimino pyridine Cu(I) complex of [CuI(py(N-CO)(NC-C)ph2Me2)2]– (12). Two imine-Me groups are coupled to form a bridged C-C bond (NC-C-C-CN) at the Me positions with the reduction of two Cu2+ center ions to Cu+. The reaction is checked with three dicarboxamido pyridine [CuII-OH] complexes, with which dinuclear Cu(I) complexes of [Cu2(py(N-CO)2ph2R2)2]2- (R = Me (3), Me and allyl (6)) and trinuclear [CuII-CuI-CuII] complex of [Cu3(閳?sub>20-py(N-CO)2ph2dienMe3)2]+ (9) are obtained. The reactivities of the [CuII-L] (L = DMF, OH–) complexes in dicarboxamido pyridine, carboxamido-methylimino pyridine and dimethylimino pyridine systems are discussed in terms of the electron delocalization properties of ligands. A cooperative metal-ligand (Cu2+ and enamide ligand) interaction is proposed based on the characterization of ligated Cu(II) intermediates with the techniques of x-ray crystallog., UV-vis spectroscopy, cyclic voltammogram, EPR spectroscopy, and DFT calculations In the experiment, the researchers used many compounds, for example, 6-Acetylpicolinic acid (cas: 122637-39-2Related Products of 122637-39-2).
6-Acetylpicolinic acid (cas: 122637-39-2) belongs to pyridine derivatives. Pyridine is diamagnetic and has a diamagnetic susceptibility of 閳?8.7 鑴?10閳? cm3璺痬ol閳?.The molecular electric dipole moment is 2.2 debyes. The standard enthalpy of formation is 100.2 kJ璺痬ol閳? in the liquid phase and 140.4 kJ璺痬ol閳? in the gas phase. Halopyridines are particularly attractive synthetic building blocks in a variety of cross-coupling methods, including the Suzuki-Miyaura cross-coupling reaction.Related Products of 122637-39-2