From symmetric glycerol derivatives to dissymmetric chlorohydrins

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2011Author
Solarte Orozco, Carmen Eugenia
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Solarte Orozco, Carmen Eugenia;
Escribà i Gelonch, Marc;
Eras i Joli, Jordi;
Villorbina Noguera, Gemma;
Canela i Garayoa, Ramon;
Balcells Fluvià, Mercè;
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(2011)
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From symmetric glycerol derivatives to dissymmetric chlorohydrins.
Molecules, 2011, vol. 16, núm. 3, p. 2065-2074.
https://doi.org/10.3390/molecules16032065.
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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.
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Molecules, 2011, vol. 16, núm. 3, p. 2065-2074European research projects
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