Cinchona-Alkaloid-Derived NNP Ligand for Iridium-Catalyzed Asymmetric Hydrogenation of Ketones was written by Zhang, Lin;Zhang, Ling;Chen, Qian;Li, Linlin;Jiang, Jian;Sun, Hao;Zhao, Chong;Yang, Yuanyong;Li, Chun. And the article was included in Organic Letters in 2022.Name: (S)-1-(2-Fluorophenyl)ethanol This article mentions the following:
Herein, a series of novel and easily accessed cinchona-alkaloid-based NNP ligands I [R = cyclohexyl, Ph, 2-MeOC6H4, etc.; R1 = H, MeO] was developed in two steps. By combining [Ir(COD)Cl]2, 39 ketones including aromatic, heteroaryl, and alkyl ketones were hydrogenated, all affording valuable chiral secondary alcs. with 96.0-99.9% ee. A plausible reaction mechanism was discussed by NMR, HRMS, DFT and an activating model involving trihydride was verified. In the experiment, the researchers used many compounds, for example, (S)-1-(2-Fluorophenyl)ethanol (cas: 171032-87-4Name: (S)-1-(2-Fluorophenyl)ethanol).
(S)-1-(2-Fluorophenyl)ethanol (cas: 171032-87-4) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Name: (S)-1-(2-Fluorophenyl)ethanol
Referemce:
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