Direct synthesis of cyclic carbonates from olefins and CO2 catalyzed by a MoO2(acac)2-quaternary ammonium salt system?

Green Chemistry Pub Date: 2011-07-18 DOI: 10.1039/C1GC15549K

Abstract

A highly efficient synthesis of cyclic carbonates from olefins and CO2 has been achieved by the use of a molybdenyl acetylacetonate (MoO2(acac)2)–quaternary ammonium salt catalytic system with tert-butyl hydroperoxide as an oxidant through a one-pot multistep process. This simple and cheap method can be applied to various olefins, such as 1-octene, 1-hexene, allyl chloride, cyclohexene and styrene, affording the highest yields in comparison with the data reported previously except for styrene. A plausible mechanism is proposed based on the results.

Graphical abstract: Direct synthesis of cyclic carbonates from olefins and CO2 catalyzed by a MoO2(acac)2-quaternary ammonium salt system
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