Regiospecific Three-Component Aminofluorination of Olefins via Photoredox Catalysis was written by Mo, Jia-Nan;Yu, Wan-Lei;Chen, Jian-Qiang;Hu, Xiu-Qin;Xu, Peng-Fei. And the article was included in Organic Letters in 2018.Quality Control of Pyridinehydrochloride This article mentions the following:
Direct visible-light-mediated aminofluorination of styrenes has been developed with high regioselectivity. Shelf-stable N-Ts-protected 1-aminopyridine salt was used as the nitrogen-radical precursor, and the com. available hydrogen fluoride-pyridine was used as the nucleophilic fluoride source. The synthesis of an analog of LY503430 was performed to demonstrate the synthetic value of this strategy. In the experiment, the researchers used many compounds, for example, Pyridinehydrochloride (cas: 628-13-7Quality Control of Pyridinehydrochloride).
Pyridinehydrochloride (cas: 628-13-7) belongs to pyridine derivatives. Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. The standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. Reduced pyridines, namely tetrahydropyridines, dihydropyridines and piperidines, are found in numerous natural and synthetic compounds. The synthesis and reactivity of these compounds have often been driven by the fact many of these compounds have interesting and unique pharmacological properties. Quality Control of Pyridinehydrochloride