{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T20:57:45Z","timestamp":1777150665557,"version":"3.51.4"},"reference-count":66,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2021,12,31]],"date-time":"2021-12-31T00:00:00Z","timestamp":1640908800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100018647","name":"RUDN University","doi-asserted-by":"publisher","award":["RUDN University Strategic Academic Leadership Program"],"award-info":[{"award-number":["RUDN University Strategic Academic Leadership Program"]}],"id":[{"id":"10.13039\/501100018647","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/00100\/2020, UIDB\/50020\/2020, UIDP\/50020\/2020, CEECINST\/00102\/2018, UIDB\/50006\/2020, UIDP\/50006\/2020, CATSUS PD\/BD 135555\/2018"],"award-info":[{"award-number":["UIDB\/00100\/2020, UIDB\/50020\/2020, UIDP\/50020\/2020, CEECINST\/00102\/2018, UIDB\/50006\/2020, UIDP\/50006\/2020, CATSUS PD\/BD 135555\/2018"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007225","name":"Instituto Superior T\u00e9cnico","doi-asserted-by":"publisher","award":["project CO2usE-1801P.00867.1.01 (contract no. IST-ID\/263\/2019)"],"award-info":[{"award-number":["project CO2usE-1801P.00867.1.01 (contract no. IST-ID\/263\/2019)"]}],"id":[{"id":"10.13039\/501100007225","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Catalysts"],"abstract":"<jats:p>A supported gold nanoparticle-catalyzed strategy has been utilized to promote a click chemistry reaction for the synthesis of 1,2,3-triazoles via the azide-alkyne cycloaddition (AAC) reaction. While the advent of effective non-copper catalysts (i.e., Ru, Ag, Ir) has demonstrated the catalysis of the AAC reaction, additional robust catalytic systems complementary to the copper catalyzed AAC remain in high demand. Herein, Au nanoparticles supported on Al2O3, Fe2O3, TiO2 and ZnO, along with gold reference catalysts (gold on carbon and gold on titania supplied by the World Gold Council) were used as catalysts for the AAC reaction. The supported Au nanoparticles with metal loadings of 0.7\u20131.6% (w\/w relative to support) were able to selectively obtain 1,4-disubstituted-1,2,3-triazoles in moderate yields up to 79% after 15 min, under microwave irradiation at 150 \u00b0C using a 0.5\u20131.0 mol% catalyst loading through a one-pot three-component (terminal alkyne, organohalide and sodium azide) procedure according to the \u201cclick\u201d rules. Among the supported Au catalysts, Au\/TiO2 gave the best results.<\/jats:p>","DOI":"10.3390\/catal12010045","type":"journal-article","created":{"date-parts":[[2022,1,3]],"date-time":"2022-01-03T22:51:50Z","timestamp":1641250310000},"page":"45","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Heterogeneous Gold Nanoparticle-Based Catalysts for the Synthesis of Click-Derived Triazoles via the Azide-Alkyne Cycloaddition Reaction"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6888-5085","authenticated-orcid":false,"given":"Ivy L.","family":"Librando","sequence":"first","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8212-2102","authenticated-orcid":false,"given":"Abdallah G.","family":"Mahmoud","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"},{"name":"Department of Chemistry, Faculty of Science, Helwan University, Ain Helwan, Cairo 11795, Egypt"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9913-4671","authenticated-orcid":false,"given":"S\u00f3nia A. C.","family":"Carabineiro","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"},{"name":"Laboratory of Catalysis and Materials (LCM), Associate Laboratory LSRE-LCM, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal"},{"name":"LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4836-2409","authenticated-orcid":false,"given":"M. F\u00e1tima C.","family":"Guedes da Silva","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2468-8407","authenticated-orcid":false,"given":"Francisco J.","family":"Maldonado-H\u00f3dar","sequence":"additional","affiliation":[{"name":"Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Avenida de Fuente Nueva, s\/n, 18071 Granada, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0837-8329","authenticated-orcid":false,"given":"Carlos F. G. C.","family":"Geraldes","sequence":"additional","affiliation":[{"name":"Department of Life Sciences, Faculty of Science and Technology, Cal\u00e7ada Martim de Freitas, 3000-393 Coimbra, Portugal"},{"name":"Coimbra Chemistry Center, University of Coimbra, Rua Larga Largo D. Dinis, 3004-535 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8323-888X","authenticated-orcid":false,"given":"Armando J. L.","family":"Pombeiro","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"},{"name":"Research Institute of Chemistry, Peoples\u2019 Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russia"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1825","DOI":"10.1021\/ar300197s","article-title":"Nanostructured catalysts for organic transformations","volume":"46","author":"Chng","year":"2013","journal-title":"Acc. Chem. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1044","DOI":"10.1002\/adma.201003695","article-title":"Bimetallic nanocrystals: Liquid-phase synthesis and catalytic applications","volume":"23","author":"Wang","year":"2011","journal-title":"Adv. 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