{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T12:09:47Z","timestamp":1790251787656,"version":"4.1.0"},"reference-count":59,"publisher":"American Chemical Society (ACS)","issue":"5","license":[{"start":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T00:00:00Z","timestamp":1779062400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100024015","name":"Dipartimento di Scienze Chimiche, Universit\u00e0 degli Studi di Padova","doi-asserted-by":"publisher","award":["06BIRD2025"],"award-info":[{"award-number":["06BIRD2025"]}],"id":[{"id":"10.13039\/501100024015","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100021856","name":"Ministero dell'Universit\u00e0 e della Ricerca","doi-asserted-by":"publisher","award":["2022KPK8WM"],"award-info":[{"award-number":["2022KPK8WM"]}],"id":[{"id":"10.13039\/501100021856","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100031478","name":"NextGenerationEU","doi-asserted-by":"publisher","award":["P2022ZSPWF"],"award-info":[{"award-number":["P2022ZSPWF"]}],"id":[{"id":"10.13039\/100031478","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,9,24]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Super-reductive photocatalysis is an emerging approach to broaden the conventional organic reactivity by exploiting reduced forms of a parent photocatalyst (PC) as the actual photoactive super-reductant. Recent reports have highlighted the advantages of using closed-shell, doubly reduced PC2\u2013 with respect to open-shell, singly reduced PC\u2022\u2013, with the former having longer excited-state lifetime and enlarged reductive power. It is thus important to expand the families of super-reductants that fit these features. In this work, we investigate doubly reduced N,N-dialkylated derivatives of quinacridone (QA) industrial pigment as potential super-reductants, exploiting the use of low-energy red light. These give the possibility of electrochemically generating the radical anion and dianion forms, with the latter being characterized by an emissive excited state with nanosecond lifetimes (compared to ps lifetime of the radical anion excited state) and reductive power up to \u22123.5 V vs Saturated Calomel Electrode, ca. 0.9 V enhanced with respect to the radical anion excited state. The super-reductant activity of the bis-reduced species is demonstrated in the challenging reductive deamination of arylammonium derivatives. All-in-one, these findings will inspire the design of closed-shell super-redox photocatalysts based on industrial pigments, thus impacting sectors involving organic reactivity, photocatalysis, and sustainable chemistry.<\/jats:p>","DOI":"10.1021\/aps.6c00006","type":"journal-article","created":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T19:33:22Z","timestamp":1779132802000},"page":"263-272","source":"Crossref","is-referenced-by-count":0,"title":["Photophysics\nof Doubly Reduced Quinacridone Dyes:\nToward Redox Reactivity Activated by Red Light"],"prefix":"10.1021","volume":"2","author":[{"given":"Elena","family":"Rossin","sequence":"first","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]},{"name":"University of Basel , , ,","place":["Basel, Switzerland, 4056"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0936-2975","authenticated-orcid":true,"given":"Bjo\u0308rn","family":"Pfund","sequence":"additional","affiliation":[{"name":"University of Basel , , ,","place":["Basel, Switzerland, 4056"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martina","family":"Chirico","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tobia","family":"Casadei","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giacomo","family":"Morselli","sequence":"additional","affiliation":[{"name":"University of Basel , , ,","place":["Basel, Switzerland, 4056"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catia","family":"Nicoletti","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-7318-0638","authenticated-orcid":true,"given":"Mathis","family":"Bra\u0308ndlin","sequence":"additional","affiliation":[{"name":"University of Basel , , ,","place":["Basel, Switzerland, 4056"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2385-9833","authenticated-orcid":true,"given":"Sara","family":"Bonacchi","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9581-2076","authenticated-orcid":true,"given":"Marco","family":"Fantin","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0941-1354","authenticated-orcid":true,"given":"Pierluca","family":"Galloni","sequence":"additional","affiliation":[{"name":"University of Rome \u2018\u2018Tor Vergata\u2019\u2019 , , Via della Ricerca Scientifica snc , ,","place":["Rome, Italy, 00133"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0739-0553","authenticated-orcid":true,"given":"Oliver S.","family":"Wenger","sequence":"additional","affiliation":[{"name":"University of Basel , , ,","place":["Basel, Switzerland, 4056"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4310-3507","authenticated-orcid":true,"given":"Andrea","family":"Sartorel","sequence":"additional","affiliation":[{"name":"University of Padova , , Via Marzolo 1 , ,","place":["Padova, Italy, 35131"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,5,18]]},"reference":[{"key":"2026092407075786600_cit1","doi-asserted-by":"publisher","first-page":"426","DOI":"10.1021\/jacsau.4c00974","article-title":"Excited Organic\nRadicals in Photoredox Catalysis","volume":"5","author":"Pfund","year":"2025","journal-title":"JACS Au"},{"issue":"12","key":"2026092407075786600_cit2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202107811","article-title":"Synthetic\nMolecular Photoelectrochemistry: New Frontiers in Synthetic Applications,\nMechanistic Insights and Scalability","volume":"61","author":"Wu","year":"2022","journal-title":"Angew.\nChem., Int. 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Soc."},{"key":"2026092407075786600_cit22","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202416472","article-title":"A BOIMPY\nDye Enables Multi-Photoinduced Electron Transfer Catalysis: Reaching\nSuper-Reducing Properties","volume":"64","author":"Biswas","year":"2025","journal-title":"Angew. Chem., Int.\nEd."},{"issue":"6753","key":"2026092407075786600_cit23","doi-asserted-by":"publisher","first-page":"1294","DOI":"10.1126\/science.adw1648","article-title":"Efficient\nSuper-Reducing Organic Photoredox Catalysis with Proton-Coupled Electron\nTransfer Mitigated Back Electron Transfer","volume":"388","author":"Bains","year":"2025","journal-title":"Science"},{"issue":"39","key":"2026092407075786600_cit24","doi-asserted-by":"publisher","first-page":"21418","DOI":"10.1002\/anie.202107169","article-title":"Electrochemical\nActivation of Diverse\nConventional Photoredox Catalysts Induces Potent Photoreductant Activity","volume":"60","author":"Chernowsky","year":"2021","journal-title":"Angew. Chem., Int. 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