{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T12:07:44Z","timestamp":1779883664703,"version":"3.53.1"},"reference-count":56,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T00:00:00Z","timestamp":1778803200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T00:00:00Z","timestamp":1778803200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,5,27]]},"abstract":"<jats:p>\n                    The selective preparation of vanillin (Van) and ethyl vanillate (EV) remains a major challenge in depolymerizing lignin. Larch lignin is full of coniferyl alcohol unit, which is preferred to produce Van and EV. In this study, the counterions in H\n                    <jats:sub>5<\/jats:sub>\n                    PMo\n                    <jats:sub>10<\/jats:sub>\n                    V\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>40<\/jats:sub>\n                    were replaced with different metal ions (Cu\n                    <jats:sup>2+<\/jats:sup>\n                    , Fe\n                    <jats:sup>3+<\/jats:sup>\n                    , and Co\n                    <jats:sup>2+<\/jats:sup>\n                    ) to develop the modified polyoxometalates, which were then combined with alkaline ionic liquid (IL) to construct a multiactive catalyst possessing acidic, basic, and oxidizing properties. The incorporation of Cu significantly enhanced the cleavage of C\u2013C and C\u2013O\u00a0bonds in larch lignin at 160\u00b0C for 6\u2009h in an ethanol\/water\/H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    system. Under these conditions, the total yield of monophenol reached 15.62 wt%, Van and EV were dominant with the yield of 5.93 and 9.1 wt%, respectively. The fracture of lignin model compounds showed Cu\u2010based polyoxometalates\/IL catalysts are effective in selectively preparing EV and Van. The catalyst can be recycled up to 4 times with excellent stability and recoverability. This study provides a more effective strategy for converting waste biomass into valuable platform chemicals.\n                  <\/jats:p>","DOI":"10.1002\/cssc.70719","type":"journal-article","created":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T08:48:47Z","timestamp":1778834927000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Enhanced Depolymerization Performances in Converting Larch Lignin to Monophenolic Compounds by Heterogeneous Catalysts From Transition Metal\u2010Substituted Molybdovanadophosphoric Heteropolyacid and Alkaline Ionic Liquids With Hydrogen Peroxide"],"prefix":"10.1002","volume":"19","author":[{"given":"Yue","family":"Zhao","sequence":"first","affiliation":[{"name":"Faculty of Science Beihua University  Jilin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinghua","family":"Zhao","sequence":"additional","affiliation":[{"name":"Faculty of Science Beihua 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