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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 8
BKCSDE 27(8)
August 20, 2006

Title	Coupling Reaction of CO₂ with Epoxides by Binary Catalytic System of Lewis Acids and Onium Salts
Author	Taekki Bok, Eun Kyung Noh, Bun Yeoul Lee*
Keywords	Cyclic carbonate, Carbon dioxide, Epoxide, Coupling reaction
Abstract	Various off-the-shelf Lewis acids in conjunction with various onium salts are screened for coupling reaction of CO₂ with epoxides. Among the tested ones, VCl₃/n-Bu₄NOAc, VCl₃/(n-Bu₄NCl or PPNCl), FeCl₃/n-Bu₄NOAc, and AlCl₃/n-Bu₄NOAc are proved to be highly active. Propylene oxide, epichlorohydrin, styrene oxide, and cyclohexene oxide can be converted over 90% yields to the corresponding cyclic carbonates without the use of organic solvents under mild conditions by 0.1-1.0 mol% catalyst charge.
Page	1171 - 1174
Full Text	PDF

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