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Reutilization of any of the catalysts in Table\u20051 was even less efficient."},{"key":"e_1_2_3_39_2","doi-asserted-by":"publisher","DOI":"10.3390\/molecules17066684"},{"key":"e_1_2_3_40_2","unstructured":"To the best of our knowledge this transformation has been promoted only with strong solid bases and triton\u2005B:"},{"key":"e_1_2_3_41_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0926-860X(99)00368-3"},{"key":"e_1_2_3_42_2","doi-asserted-by":"publisher","DOI":"10.1021\/jo026592g"},{"key":"e_1_2_3_43_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tetlet.2005.06.087"},{"key":"e_1_2_3_44_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tet.2008.04.023"},{"key":"e_1_2_3_45_2","unstructured":"\u00a0"},{"key":"e_1_2_3_46_2","doi-asserted-by":"publisher","DOI":"10.1039\/b509525p"},{"key":"e_1_2_3_47_2","doi-asserted-by":"publisher","DOI":"10.1039\/B612166G"},{"key":"e_1_2_3_48_2","unstructured":"Based on our previous studies on the reactivity of supported Cu\u2009NPs and on other methodologies [8\u201310]we can tentatively propose that the formation of indolizines takes place through a copper\u2010catalyzed A3(aldehyde\u2013amine\u2013alkyne) coupling giving a propargyl amine (detected in minute amounts in some cases) which undergoes copper\u2010catalyzed cycloisomerization."}],"container-title":["Chemistry \u2013 A European Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fchem.201204305","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/chem.201204305","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T13:17:59Z","timestamp":1760275079000},"score":1,"resource":{"primary":{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/10.1002\/chem.201204305"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,3,7]]},"references-count":49,"journal-issue":{"issue":"17","published-print":{"date-parts":[[2013,4,22]]}},"alternative-id":["10.1002\/chem.201204305"],"URL":"https:\/\/doi.org\/10.1002\/chem.201204305","archive":["Portico"],"relation":{},"ISSN":["0947-6539","1521-3765"],"issn-type":[{"value":"0947-6539","type":"print"},{"value":"1521-3765","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,3,7]]}}}