The author of 《Iridium Single-Atom Catalyst Performing a Quasi-homogeneous Hydrogenation Transformation of CO2 to Formate》 were Shao, Xianzhao; Yang, Xiaofeng; Xu, Jinming; Liu, Song; Miao, Shu; Liu, Xiaoyan; Su, Xiong; Duan, Hongmin; Huang, Yanqiang; Zhang, Tao. And the article was published in Chem in 2019. Application In Synthesis of 2,6-Diaminopyridine The author mentioned the following in the article:
Heterogeneous single-atom catalysts (SACs) with atomically dispersed active metal centers represent an intermediary between heterogeneous and homogeneous catalysis. In this work, a porous organic polymer with aminopyridine functionalities was designed to fabricate a stable, atomically dispersed Ir catalyst. This Ir-based SAC exhibits excellent catalytic activity during the liquid-phase hydrogenation of CO2 to formate. The associated turnover number is as high as 25,135, representing the best performance yet for a heterogeneous conversion of CO2 to formate. Spectral characterization and d. functional theory modeling demonstrate that the chem. structure of the Ir single-atom active site is analogous to that of a homogeneous mononuclear Ir pincer complex catalyst. As a result, a catalytic mechanism similar to that over a homogeneous Ir catalyst occurs during CO2 hydrogenation with this quasi-homogeneous Ir-based SAC. This work suggests a promising basis for the design of efficient SACs for the once-dominant homogeneous catalytic processes. In the experimental materials used by the author, we found 2,6-Diaminopyridine(cas: 141-86-6Application In Synthesis of 2,6-Diaminopyridine)
2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Application In Synthesis of 2,6-Diaminopyridine