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MDPI, Molecules, 3(16), p. 2065-2074, 2011

DOI: 10.3390/molecules16032065

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From Symmetric Glycerol Derivatives to Dissymmetric Chlorohydrins

Journal article published in 2011 by Solarte Carmen, Marc Escribà ORCID, Jordi Eras ORCID, Gemma Villorbina ORCID, Ramon Canela ORCID, Mercè Balcells ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The anticipated worldwide increase in biodiesel production will result in an accumulation of glycerol for which there are insufficient conventional uses. The surplus of this by-product has increased rapidly during the last decade, prompting a search for new glycerol applications. We describe here the synthesis of dissymmetric chlorohydrin esters from symmetric 1,3-dichloro-2-propyl esters obtained from glycerol. We studied the influence of two solvents: 1,4-dioxane and 1-butanol and two bases: sodium carbonate and 1-butylimidazole, on the synthesis of dissymmetric chlorohydrin esters. In addition, we studied the influence of other bases (potassium and lithium carbonates) in the reaction using 1,4-dioxane as the solvent. The highest yield was obtained using 1,4-dioxane and sodium carbonate.