期刊
GREEN CHEMISTRY
卷 18, 期 10, 页码 3082-3088出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5gc02772a
关键词
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资金
- Doctoral Scientific Research Foundation of Shanxi Datong University [2012-B-12]
- Basic Research Programs of Science and Technology Department of Datong [2015107]
- National Natural Science Foundation of China [21473185, U1532117]
This paper reports an effective route for the syntheses of hydroxy carbamates from the reaction of CO2, epoxides and amines catalyzed by a Au/Fe2O3 catalyst. Under the optimized reaction conditions, various hydroxy carbamates were successfully synthesized with 92-98% isolated yields. The catalyst could be reused for several runs without deactivation. A plausible reaction mechanism was proposed by which the hydroxy carbamate was formed through an ammonium carbamate intermediate and the catalyst mainly promoted further nucleophilic addition between the epoxide and ammonium carbamate.
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