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H3PO4/metal halide induces a one-pot solvent-free esterification–halogenation of glycerol and diols

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Issue date
2013
Author
Escribà i Gelonch, Marc
Eras i Joli, Jordi
Balcells Fluvià, Mercè
Canela i Garayoa, Ramon
Suggested citation
Escribà i Gelonch, Marc; Eras i Joli, Jordi; Balcells Fluvià, Mercè; Canela i Garayoa, Ramon; . (2013) . H3PO4/metal halide induces a one-pot solvent-free esterification–halogenation of glycerol and diols. RSC Advances, 2013, vol. 3, núm. 23, p. 8805-8810. https://doi.org/10.1039/C3RA41715H.
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Abstract
As part of our continued effort to achieve the synthesis of halohydrin esters from polyols by a sustainable method, here we report on a multicomponent inorganic acid-mediated solvent-free synthesis. The synthesis was designed to ensure few waste materials. Using this approach, the process shows a low E-factor and a high reaction mass efficiency. The new process involves the preparation of a reaction mixture containing either a fatty acid or fatty material, glycerol or diol, a halide salt and H3PO4. This mixture is heated at 100 °C for 48 h, yielding up to 88% of halohydrin ester. The process also allows recovery of pyrophosphate salts, compounds that have various applications in agriculture, and in the pharmaceutical, chemical and food industries.
URI
http://hdl.handle.net/10459.1/58433
DOI
https://doi.org/10.1039/C3RA41715H
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RSC Advances, 2013, vol. 3, núm. 23, p. 8805-8810
European research projects
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  • Articles publicats (Química) [313]
  • Articles publicats (Agrotecnio Center) [1328]
  • Articles publicats (DBA Center) [38]
  • Publicacions de projectes de recerca del Plan Nacional [2953]

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