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Totally Selective Reaction of CO2 with Enantiopure Amino Epoxides under Mild Reaction Conditions. Synthesis and Synthetic Applications of Enantiopure (4R,1'S)- or (4S,1'S)-4-(1-Aminoalkyl)-2-oxo-1,3-dioxolanes

José M. Concellón*, Virginia del Solar, Santiago García-Granda and M. Rosario Díaz

*Departamento de Química Orgánica e Inorgánica, Facultad de Química, Universidad de Oviedo, Julián Clavería, 8, 33071 Oviedo, Spain, Email: jmcguniovi.es

J. M. Concellón, V. del Solar, S. Carcía-Granda, M. R. Díaz, J. Org. Chem., 2007, 72, 7567-7568.

DOI: 10.1021/jo070829x (free Supporting Information)


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Abstract

The reaction of chiral 1-aminoalkylepoxides with CO2, generated from acidic treatment of an aqueous solution of NaHCO3 at room temperature, efficiently afforded enantiopure cyclic carbonates with total selectivity. Carbonates were readily transformed into the corresponding diols by reaction with LiAlH4 or by basic hydrolysis.

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Key Words

dioxolanones, diols, cleavage of carbonates, esters


ID: J42-Y2007-3050