AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Authors: LARISA STELEA , ANNA MARIA TĂRTĂREANU , ADRIAN IOAN DUDU.
DOI: 10.24193/subbchem.2023.3.08
Published Online: 2023-09-30
Published Print: 2023-09-30
pp. 129-139
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Benzyl decanoate was successfully synthesized by the direct esterification of decanoic acid with benzyl alcohol mediated by lipase B from Candida antarctica immobilized by entrapment in a sol-gel matrix in a solvent-free system, using a ternary mixture of silane precursors and glycerol as additive. The most active (LS-6, 92.1% conversion after 90 minutes) and stable biocatalyst (95% of the initial activity after 7 reaction cycles) yielded 2.2 g of benzyl decanoate in a scaled-up process (91% isolation yield).
Keywords: benzyl decanoate, esterification, solvent free system, lipase, additive, sol-gel, biocatalysis, aroma ester
