{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T11:52:26Z","timestamp":1783597946764,"version":"3.55.0"},"reference-count":39,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T00:00:00Z","timestamp":1724630400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007397","name":"Univerzita Karlova v Praze","doi-asserted-by":"publisher","award":["PRIMUS\/20\/SCI\/017"],"award-info":[{"award-number":["PRIMUS\/20\/SCI\/017"]}],"id":[{"id":"10.13039\/100007397","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPlusChem"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We report a synthesis of silver complexes bearing chelating bidentate <jats:italic>N<\/jats:italic>\u2010heterocyclic carbene, with various substitutions at the terminal positions of the imidazole moiety of the NHC units. The long aliphatic substituents proved to be beneficial in terms of the synthetic efficiency of the complexes, compared to previously reported methyl substitution. The complexes demonstrated excellent suitability for the KA<jats:sup>2<\/jats:sup> coupling reaction, providing quaternary carbon\u2010containing propargylic amines in yields up to 95\u2009%, under solvent\u2010free conditions. The method showed high tolerance for a wide range of substrates, including naturally occurring ketones, underscoring its practicality. To our knowledge, this represents the first use of a well\u2010defined silver species in KA<jats:sup>2<\/jats:sup> coupling, marking an advancement in the field.<\/jats:p>","DOI":"10.1002\/cplu.202400365","type":"journal-article","created":{"date-parts":[[2024,7,3]],"date-time":"2024-07-03T05:13:56Z","timestamp":1719983636000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Silver Complex Bearing <i>N\u2010<\/i>Heterocyclic Carbene Bidentate Chelating Ligand as an Efficient Catalyst in Solvent\u2010Free KA<sup>2<\/sup> Coupling"],"prefix":"10.1002","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5632-6195","authenticated-orcid":false,"given":"Miguel","family":"Mateus","sequence":"first","affiliation":[{"name":"Department of Organic Chemistry Faculty of Science Charles University  Hlavova 8 128 00 Prague Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3028-8829","authenticated-orcid":false,"given":"Lukas","family":"Rycek","sequence":"additional","affiliation":[{"name":"Department of Organic Chemistry Faculty of Science Charles University  Hlavova 8 128 00 Prague Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,8,26]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.2c01477"},{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201504254"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201507171"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201706694"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200601276"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200700760"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201704910"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201400225"},{"key":"e_1_2_9_9_1","first-page":"1","volume":"15","author":"Kumar P.","year":"2023","journal-title":"ChemCatChem"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201311012"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201103225"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/adsc.202200327"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/cctc.202301455"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.iecr.7b02388"},{"key":"e_1_2_9_15_1","unstructured":"\u201cKitco \u201d can be found underhttps:\/\/www.kitco.com\/charts\/gold."},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.7b00343"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2020.213603"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tetlet.2016.08.066"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.202215741"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1039\/C6RA18810A"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejoc.201200090"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1039\/C3NJ01146A"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.joc.1c01893"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/acssuschemeng.6b00470"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.molcata.2016.09.028"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejoc.202301095"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsomega.9b01387"},{"key":"e_1_2_9_28_1","doi-asserted-by":"publisher","DOI":"10.1002\/adsc.202000566"},{"key":"e_1_2_9_29_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2cs15356d"},{"key":"e_1_2_9_30_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2ob06900h"},{"key":"e_1_2_9_31_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejoc.201900001"},{"key":"e_1_2_9_32_1","doi-asserted-by":"publisher","DOI":"10.1039\/c0dt01074j"},{"key":"e_1_2_9_33_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mcat.2019.110570"},{"key":"e_1_2_9_34_1","doi-asserted-by":"publisher","DOI":"10.1002\/aoc.6994"},{"key":"e_1_2_9_35_1","doi-asserted-by":"publisher","DOI":"10.1002\/mrc.4196"},{"key":"e_1_2_9_36_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr100264t"},{"key":"e_1_2_9_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/cmdc.202200020"},{"key":"e_1_2_9_38_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5NJ03272E"},{"key":"e_1_2_9_39_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsomega.9b03428"}],"container-title":["ChemPlusChem"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/cplu.202400365","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,14]],"date-time":"2025-10-14T00:43:37Z","timestamp":1760402617000},"score":1,"resource":{"primary":{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/10.1002\/cplu.202400365"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,8,26]]},"references-count":39,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2024,10]]}},"alternative-id":["10.1002\/cplu.202400365"],"URL":"https:\/\/doi.org\/10.1002\/cplu.202400365","archive":["Portico"],"relation":{},"ISSN":["2192-6506","2192-6506"],"issn-type":[{"value":"2192-6506","type":"print"},{"value":"2192-6506","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,8,26]]},"assertion":[{"value":"2024-05-28","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-08-26","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e202400365"}}