The DOI matches its Crossref record; 69 of the 69 references it cites were found in a registry or an index.
MOF-5/n-Bu4NBr: an efficient catalyst system for the synthesis of cyclic carbonates from epoxides and CO2 under mild conditions
Abstract
The development of efficient heterogeneous catalysts for the cycloaddition of CO2 with epoxides to produce five-membered cyclic carbonates under mild reaction conditions is of great importance. In this work, the coupling reaction of CO2 with propylene oxide (PO) to produce propylene carbonate (PC) catalyzed by MOF-5 (metal-organic frameworks) in the presence of quaternary ammonium salts (Me4NCl, Me4NBr, Et4NBr, n-Pr4NBr, n-Bu4NBr) was studied in different conditions. It was discovered that MOF-5 and quaternary ammonium salts had excellent synergetic effect in promoting the reaction, and the MOF-5/n-Bu4NBr catalytic system was the most efficient among them. The optimal temperature for the reaction was around 50 °C. The reaction could be completed in 6 h at low CO2 pressure with very high selectivity. A decrease of the yield of PC was not noticeable after MOF-5 was reused three times, indicating that the MOF-5 was stable. The MOF-5/n-Bu4NBr catalytic system was also very active and selective for the cycloaddition of CO2 with other epoxides, such as glycidyl phenyl ether, epichlorohydrin and styrene oxide. The mechanism for the coupling reaction is also discussed.
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Cited by
Carbon capture and conversion using metal–organic frameworks and MOF-based materials
Ding, M., Flaig, R. W., Jiang, H.-L., & Yaghi, O. M. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00829a · Cited by 2,616
The chemistry of metal–organic frameworks for CO2 capture, regeneration and conversion
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Catalysis by Metal Organic Frameworks: Perspective and Suggestions for Future Research
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Capture and conversion of CO2 at ambient conditions by a conjugated microporous polymer
Xie, Y., Wang, T.-T., Liu, X.-H., Zou, K., & Deng, W.-Q. (2013) · Nature Communications · doi:10.1038/ncomms2960 · Cited by 772
Shaikh, R. R., Pornpraprom, S., & D’Elia, V. (2018) · ACS Catalysis · doi:10.1021/acscatal.7b03580 · Cited by 729
Metadata
- Authors
- Song, J., Zhang, Z., Hu, S., Wu, T., Jiang, T., & Han, B.
- Venue
- Green Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2009
- Volume
- 11
- Issue
- 7
- Pages
- 1031
- ISSN
- 1463-9262 (ISSN-L)
- 1463-9270
- OpenAlex
- W2075058682
- Cited by
- 484
- References
- 69
- FWCI
- 9.80
- Type
- journal article
- Language
- en
- Open access
- closed
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