Iridium complexes catalysed the selective dehydrogenation of glucose to gluconic acid in water
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Otros documentos de la autoría: Borja, María Pilar; Vicent Barrera, Cristian; Baya, Miguel; García, Hermenegildo; Mata Martínez, Jose A
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Iridium complexes catalysed the selective dehydrogenation of glucose to gluconic acid in waterAutoría
Fecha de publicación
2018-08-10Editor
Royal Society of ChemistryCita bibliográfica
BORJA, María Pilar; VICENT, Cristian; BAYA, Miguel; GARCÍA, Hermenegildo; MATA, José A. (2018). Iridium complexes catalysed the selective dehydrogenation of glucose to gluconic acid in water. Green Chemistry, v. 20, p. 4094-4101Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://pubs.rsc.org/en/content/articlehtml/2018/gc/c8gc01933aVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
We describe an unprecedented catalytic dehydrogenation of glucose by homogeneous catalysts. Iridium
(
III
) complexes containing the fragment [Cp*Ir(NHC)]
2+
(NHC = N-heterocyclic carbene ligand) are shown
to ... [+]
We describe an unprecedented catalytic dehydrogenation of glucose by homogeneous catalysts. Iridium
(
III
) complexes containing the fragment [Cp*Ir(NHC)]
2+
(NHC = N-heterocyclic carbene ligand) are shown
to be very active and highly selective catalysts for the dehydrogenation of glucose to gluconic acid and
molecular hydrogen. Glucose is converted to gluconic acid at a catalyst loading of 2 mol%, at re
fl
ux in
water, without additives and with a selectivity of over 95%. Experimental evidence obtained by
1
H NMR
spectroscopy and mass spectrometry (ESI/MS) reveals the formation of iridium coordinated to glucose
and gluconic acid species. A plausible mechanism is proposed, based on the experimental evidence and
supported by DFT calculations. [-]
Publicado en
Green Chemistry (2018), v. 20Proyecto de investigación
1) MINECO (Severo Ochoa, CTQ2015- 69153-C2-1-R, CTQ2015-69153-C2-2-R and CTQ2015-67461-P); 2) Diputación General de Aragón (Grupo Consolidado E21); 3) Universitat Jaume I (P1.1B2015-09)Derechos de acceso
info:eu-repo/semantics/openAccess
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