Efficient Ring Opening Reaction of Epoxides with Oxygen Nucleophiles Catalyzed by Quaternary Onium Salt
- Efficient Ring Opening Reaction of Epoxides with Oxygen Nucleophiles Catalyzed by Quaternary Onium Salt
- 나춘섭; 김진원; 조대원; 박규순[박규순]; 김성홍[김성홍]
- SOLVENT-FREE CONDITIONS; CARBON-DIOXIDE; IONIC LIQUID; ORGANIC CARBONATES; CYCLIC CARBONATES; CHEMICAL FIXATION; STYRENE OXIDE; ASYMMETRIC EPOXIDATION; HETEROGENEOUS CATALYST; COUPLING REACTIONS
- Issue Date
- KOREAN CHEMICAL SOC
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.34, no.8, pp.2286 - 2290
- Ring opening reactions of epoxides with oxygen nucleophiles catalyzed by a variety of quaternary onium salt, such as ammonium or phosphonium salt were explored. The results showed that tetrabutylphosphonium bromide (TBPB) among salts serves as the most efficient catalyst for this process and that expoxide ring opening reactions with a variety of oxygen nucleophiles including carboxyic acid and phenol, promoted using this salt, lead to generate readily purifiable products in excellent yields.
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