{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T23:32:42Z","timestamp":1777073562768,"version":"3.51.4"},"reference-count":59,"publisher":"Wiley","issue":"20","license":[{"start":{"date-parts":[[2025,8,30]],"date-time":"2025-08-30T00:00:00Z","timestamp":1756512000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2025,10,23]]},"abstract":"<jats:p>\n                    Despite considerable scientific advancements, there is an urgent need for sustainable, cost\u2010effective, and efficient methods for chemically transforming CO\n                    <jats:sub>2<\/jats:sub>\n                    into valuable chemicals. A stable heterogeneous platform is presented that incorporates four key innovations: 1) the first Tr\u00f6ger's base (TB) chemistry in solids via selective four\u2010electron reductive functionalization of CO\n                    <jats:sub>2<\/jats:sub>\n                    , 2) an effective heterogeneous organocatalyst for the chemoselective formylation of both N\uf8ffH and S\uf8ffH functionalities with CO\n                    <jats:sub>2<\/jats:sub>\n                    , 3) a methodology for metal\u2010free heterogeneous S\u2010formylation of bioactive thiols, and 4) a direct covalent immobilization of CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010protected N\u2010heterocyclic carbenes (NHCs) on graphene oxide nanosheets (GONs). The CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010protected catalyst is developed by covalently attaching imidazole (Im) to GONs and functionalizing them with dimethyl carbonate. The resulting CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010protected NHC\u2010functionalized GONs serves as an effective catalyst for the metal\u2010free, selective formylation of N\uf8ffH and S\uf8ffH bonds under mild conditions. To address gaps in the understanding of TB chemistry in GONs, a metal\u2010free formylation method is discovered that utilizes an in situ\u2010generated TB linker produced by converting CO\n                    <jats:sub>2<\/jats:sub>\n                    with excess silane. The ability of this catalyst to revert to its CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010protected state enables excellent recyclability. This accessible and efficient platform offers an unprecedented pathway for sustainable CO\n                    <jats:sub>2<\/jats:sub>\n                    conversion, supported by both theoretical and experimental evidence.\n                  <\/jats:p>","DOI":"10.1002\/cssc.202500986","type":"journal-article","created":{"date-parts":[[2025,8,30]],"date-time":"2025-08-30T13:05:21Z","timestamp":1756559121000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Metal\u2010Free Organocatalytic Formylation by CO\n                    <sub>2<\/sub>\n                    \u2010Masked Carbene Functionalized Graphene Oxide Nanosheets"],"prefix":"10.1002","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1299-3842","authenticated-orcid":false,"given":"Swarbhanu","family":"Ghosh","sequence":"first","affiliation":[{"name":"Department of Chemistry McGill University  801 Sherbrooke Street West Montr\u00e9al QC H3A 2K6 Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5269-5017","authenticated-orcid":false,"given":"Parisa A.","family":"Ariya","sequence":"additional","affiliation":[{"name":"Department of Chemistry McGill University  801 Sherbrooke Street West Montr\u00e9al QC H3A 2K6 Canada"},{"name":"Department of Atmospheric and Oceanic Sciences McGill University  805 Sherbrooke Street West Montreal QC H3A 0B9 Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,8,30]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr00087a003"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr068357u"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201803186"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1039\/C8CS00281A"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/cssc.201802012"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201105516"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4GC01614A"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.5b00734"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1039\/D2CY01231F"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1039\/C3CY00948C"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2015.06.003"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1021\/jp905456f"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja201269b"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1021\/jp900360k"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/aoc.4881"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jtice.2019.05.020"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcis.2020.01.087"},{"key":"e_1_2_7_19_1","doi-asserted-by":"crossref","unstructured":"M. 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