{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T19:43:33Z","timestamp":1768074213075,"version":"3.49.0"},"reference-count":69,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,2,13]],"date-time":"2025-02-13T00:00:00Z","timestamp":1739404800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002383","name":"King Saud University","doi-asserted-by":"publisher","award":["RSPD2025R808"],"award-info":[{"award-number":["RSPD2025R808"]}],"id":[{"id":"10.13039\/501100002383","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Comput Chem"],"published-print":{"date-parts":[[2025,2,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Using first principles methodology, we show that molecular NaBr and MgO nanoclusters are efficient ecofriendly and transition metal free catalysts for the carbonylation of aziridines to \u03b2\u2010lactams. Multi\u2010step mechanisms are proposed, where the activation energies of the rate\u2010determining step are strongly lowered compared to gas phase reaction, exhibiting, however, a unique step. Also, these reactions are viewed to be favored thermodynamically in the presence of these catalysts and also in solvents, in particular in methanol. We suggest thus the use of NaBr and MgO nanoclusters for these reactions. Besides, the present findings allow to explain the experimentally observed regioselectivity of carbonylation of aziridines reactions, where CO is added on the more substituted C of aziridine three\u2010membered ring. In sum, our work should motivate the use of such ecofriendly catalysts for carbonylation reactions without using transition metal catalysts.<\/jats:p>","DOI":"10.1002\/jcc.70061","type":"journal-article","created":{"date-parts":[[2025,2,13]],"date-time":"2025-02-13T12:51:16Z","timestamp":1739451076000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Mechanistic Study of the Carbonylation of Aziridines to \u03b2\u2010Lactams: Alkylation, Solvent and Molecular <scp>NaBr<\/scp> and\u00a0<scp>MgO<\/scp> Clusters Catalysts Effects"],"prefix":"10.1002","volume":"46","author":[{"given":"Abir","family":"Jendoubi","sequence":"first","affiliation":[{"name":"Laboratoire de Caract\u00e9risations, Applications et Mod\u00e9lisation de Mat\u00e9riaux (LR18ES08), Facult\u00e9 de Sciences de Tunis Universit\u00e9 de Tunis El Manar  Tunis Tunisia"},{"name":"Universit\u00e9 Gustave Eiffel, COSYS\/IMSE  Champs Sur Marne 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