{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:33:32Z","timestamp":1760243612918,"version":"build-2065373602"},"reference-count":47,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2012,3,26]],"date-time":"2012-03-26T00:00:00Z","timestamp":1332720000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Micro\/mesoporous chromium, aluminium-containing silicates of the type TUD-1 (Al-TUD-1, Cr-TUD-1, CrAl-TUD-1) and zeolite BEA, Cr-BEA, and related composites BEA\/TUD-1 and Cr-BEA\/TUD-1, were prepared, characterised, and tested as solid acids coupled with the ionic liquid (IL) 1-butyl-3-methylimidazolium chloride ([bmim]Cl) as solvent, in the transformation of d-glucose into 5-(hydroxymethyl)-2-furaldehyde (Hmf), at 120 \u00b0C. The chromium-containing catalytic systems lead to considerably higher Hmf yields in comparison to the related systems without chromium. The IL is a favourable solvent for this target reaction (in terms of Hmf yields reached) compared to water or dimethylsulfoxide. A detailed study on the stabilities of the nanoporous solid acids in the IL medium is presented.<\/jats:p>","DOI":"10.3390\/molecules17043690","type":"journal-article","created":{"date-parts":[[2012,3,26]],"date-time":"2012-03-26T11:04:58Z","timestamp":1332759898000},"page":"3690-3707","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Coupling of Nanoporous Chromium, Aluminium-Containing Silicates with an Ionic Liquid for the Transformation of Glucose into 5-(Hydroxymethyl)-2-furaldehyde"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5888-2278","authenticated-orcid":false,"given":"Margarida M.","family":"Antunes","sequence":"first","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"S\u00e9rgio","family":"Lima","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6243-7692","authenticated-orcid":false,"given":"Martyn","family":"Pillinger","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"Anabela A.","family":"Valente","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2012,3,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"484","DOI":"10.1126\/science.1114736","article-title":"The path forward for biofuels and biomaterials","volume":"311","author":"Ragauskas","year":"2006","journal-title":"Science"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1016\/j.cosust.2010.09.004","article-title":"Cellulosic biorefineries-unleashing lignin opportunities","volume":"2","author":"Sannigrahi","year":"2010","journal-title":"Curr. 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