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Synthesis of Bio-Derived Cyclic Carbonates from Renewable Resources

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posted on 27.11.2019, 14:36 by Felipe de la Cruz-Martínez, Marc Martínez de Sarasa Buchaca, Javier Martínez, Juan Fernández-Baeza, Luis F. Sánchez-Barba, Antonio Rodríguez-Diéguez, José A. Castro-Osma, Agustín Lara-Sánchez
The coupling reaction of carbon dioxide and terminal, internal, and highly substituted epoxides derived from renewable resources such as furfural, limonene, carvone, carvyl acetate, terpinen-4-ol, or ionone leads to the synthesis of new bioderived cyclic carbonates using an efficient aluminum catalyst under mild and solvent-free reaction conditions. Interestingly, the synthesis of highly substituted bioderived cyclic carbonates can occur with excellent diastereoselectivity, obtaining in some cases one diastereoisomer as the major product. The X-ray crystal structures of two enantiomerically pure carvone-based cyclic carbonates are reported.

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