{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T01:57:46Z","timestamp":1790128666821,"version":"4.0.1"},"reference-count":56,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2023,12,15]],"date-time":"2023-12-15T00:00:00Z","timestamp":1702598400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["21-73-20269"],"award-info":[{"award-number":["21-73-20269"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>The process of thermocatalytic conversion of pine ethanol lignin in supercritical ethanol was studied over NiCu\/SiO2 and NiCuMo\/SiO2 catalysts bearing 8.8 and 11.7 wt.% of Mo. The structure and composition of ethanol lignin and the products of its thermocatalytic conversion were characterized via 2D-HSQC NMR spectroscopy, GC-MC. The main aromatic monomers among the liquid products of ethanol lignin conversion were alkyl derivatives of guaiacol (propyl guaiacol, ethyl guaiacol and methyl guaiacol). The total of the monomers yield in this case was 12.1 wt.%. The temperature elevation up to 350 \u00b0C led to a slight decrease in the yield (to 11.8 wt.%) and a change in the composition of monomeric compounds. Alkyl derivatives of pyrocatechol, phenol and benzene were observed to form due to deoxygenation processes. The ratio of the yields of these compounds depended on the catalyst, namely, on the content of Mo in the catalyst composition. Thus, the distribution of monomeric compounds used in various industries can be controlled by varying the catalyst composition and the process conditions.<\/jats:p>","DOI":"10.3390\/polym15244722","type":"journal-article","created":{"date-parts":[[2023,12,15]],"date-time":"2023-12-15T11:26:52Z","timestamp":1702639612000},"page":"4722","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Depolymerization of Pine Wood Organosolv Lignin in Ethanol Medium over NiCu\/SiO2 and NiCuMo\/SiO2 Catalysts: Impact of Temperature and Catalyst Composition"],"prefix":"10.3390","volume":"15","author":[{"given":"Angelina V.","family":"Miroshnikova","sequence":"first","affiliation":[{"name":"Institute of Chemistry and Chemical Technology Siberian Branch, Russian Academy of Sciences, FRC Krasnoyarsk Science Center SB RAS, Akademgorodok 50, Bld. 24, Krasnoyarsk 660036, Russia"},{"name":"Institute of Non-Ferrous Metals and Material Science, Department of Analytical and Organic Chemistry, Siberian Federal University, Pr. Svobodny 79, Krasnoyarsk 660041, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergey V.","family":"Baryshnikov","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Chemical Technology Siberian Branch, Russian Academy of Sciences, FRC Krasnoyarsk Science Center SB RAS, Akademgorodok 50, Bld. 24, Krasnoyarsk 660036, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9380-0290","authenticated-orcid":false,"given":"Yuriy N.","family":"Malyar","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Chemical Technology Siberian Branch, Russian Academy of Sciences, FRC Krasnoyarsk Science Center SB RAS, Akademgorodok 50, Bld. 24, Krasnoyarsk 660036, Russia"},{"name":"Institute of Non-Ferrous Metals and Material Science, Department of Analytical and Organic Chemistry, Siberian Federal University, Pr. Svobodny 79, Krasnoyarsk 660041, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-5682-7336","authenticated-orcid":false,"given":"Xiaomin","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Non-Ferrous Metals and Material Science, Department of Analytical and Organic Chemistry, Siberian Federal University, Pr. Svobodny 79, Krasnoyarsk 660041, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4056-3241","authenticated-orcid":false,"given":"Maria V.","family":"Alekseeva","sequence":"additional","affiliation":[{"name":"Federal Research Center \u201cBoreskov Institute of Catalysis\u201d, Pr. Akademika Lavrentieva 5, Novosibirsk 630090, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boris N.","family":"Kuznetsov","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Chemical Technology Siberian Branch, Russian Academy of Sciences, FRC Krasnoyarsk Science Center SB RAS, Akademgorodok 50, Bld. 24, Krasnoyarsk 660036, Russia"},{"name":"Institute of Non-Ferrous Metals and Material Science, Department of Analytical and Organic Chemistry, Siberian Federal University, Pr. Svobodny 79, Krasnoyarsk 660041, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9452-5902","authenticated-orcid":false,"given":"Oxana P.","family":"Taran","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Chemical Technology Siberian Branch, Russian Academy of Sciences, FRC Krasnoyarsk Science Center SB RAS, Akademgorodok 50, Bld. 24, Krasnoyarsk 660036, Russia"},{"name":"Institute of Non-Ferrous Metals and Material Science, Department of Analytical and Organic Chemistry, Siberian Federal University, Pr. Svobodny 79, Krasnoyarsk 660041, Russia"},{"name":"Federal Research Center \u201cBoreskov Institute of Catalysis\u201d, Pr. Akademika Lavrentieva 5, Novosibirsk 630090, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5588","DOI":"10.1039\/c1cs15124j","article-title":"Catalytic conversion of lignocellulosic biomass to fine chemicals and fuels","volume":"40","author":"Zhou","year":"2011","journal-title":"Chem. Soc. Rev."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"7485","DOI":"10.1039\/C4CS00235K","article-title":"Lignin depolymerisation strategies: Towards valuable chemicals and fuels","volume":"43","author":"Xu","year":"2014","journal-title":"Chem. Soc. Rev."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Nelson, V. (2011). 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