CO2-Promoted Hydration of Propargylic Alcohols: Green Synthesis of α-Hydroxy Ketones by an Efficient and Recyclable AgOAc/Ionic Liquid SystemClick to copy article linkArticle link copied!
- Di LiDi LiState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Di Li
- Yanyan GongYanyan GongState Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, People’s Republic of ChinaMore by Yanyan Gong
- Minchen DuMinchen DuState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Minchen Du
- Chao BuChao BuState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Chao Bu
- Cheng ChenCheng ChenState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Cheng Chen
- Somboon ChaemcheunSomboon ChaemcheunState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Somboon Chaemcheun
- Jia HuJia HuState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Jia Hu
- Yongxing ZhangYongxing ZhangState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Yongxing Zhang
- Ye Yuan*Ye Yuan*Email: [email protected]State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaMore by Ye Yuan
- Francis Verpoort*Francis Verpoort*Email: [email protected]State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, People’s Republic of ChinaNational Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russian FederationGlobal Campus Songdo, Ghent University, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, KoreaMore by Francis Verpoort
Abstract

α-Hydroxy ketones are a series of biologically active fragments in nature as well as important synthons for organic chemistry. Herein, an AgOAc/1-ethyl-3-methylimidazolium acetate ionic liquid system was developed for the CO2-promoted hydration of propargylic alcohols and H2O to produce α-hydroxy ketones. Diverse desired products could be obtained in satisfactory yields under 1 bar of CO2 pressure with the catalysis of only a trace amount of silver (0.005–0.25 mol %), which is the lowest level ever reported for the metal-catalyzed systems. In particular, this system had robust recyclability, and it could be reused effectively at least 5 times. Furthermore, an unprecedented turnover number (TON) of 9200 was achieved, which is considered to be the highest TON ever reached for this hydration.
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