期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 20, 页码 7882-7891出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo050699x
关键词
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The microwave reactions of InX3 with [Q]Y produce a series of tetrahaloindate(III)-based ionic liquids (ILs) with a general formula of [Q] [InX3Y] (Q = imidazolium, phosphonium, ammonium, and pyridinium; X = Cl, Br, I; Y = Cl, Br). The reaction Of CO2 with a variety of epoxides has been examined in the presence of these ILs wherein tetrahaloindate(III)-based ILs are found to exhibit high catalytic activities and evidence is presented that supports the significant role of H-bonding interactions in the [Q] [InX3Y] -catalyzed coupling reactions. The effects of various parameters such as temperature, pressure, and molar ratio of propylene oxide to catalyst have been investigated, and the plausible reaction mechanism based on the H-1 and C-13 NMR studies is presented for the formation of propylene carbonate.
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