{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T00:42:00Z","timestamp":1791938520135,"version":"4.3.4"},"reference-count":91,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T00:00:00Z","timestamp":1758844800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100006407","name":"Natural Science Foundation of Henan Province","doi-asserted-by":"publisher","award":["252300420245"],"award-info":[{"award-number":["252300420245"]}],"id":[{"id":"10.13039\/501100006407","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22001059"],"award-info":[{"award-number":["22001059"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Chemical Record"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:p>\n                    Alkynes and allenes are basic building blocks in organic synthesis owing to their commercial availability, relative stability, and uncomplicated preparation. Regioselective transformation of alkynes and allenes is a critical process for the synthesis of value\u2010added compounds. Accurate regulation of these transformations enables the practical and divergent synthesis of complex molecules with new functionalities. This review outlines the recent progress toward the development of copper\u2010catalyzed cyclization reactions of alkynes, allenes, and allenynes. Copper\u2010catalyzed oxidation reactions of alkynes with\n                    <jats:italic>N<\/jats:italic>\n                    \u2010oxides via \u03b1\u2010oxo copper carbenes for the efficient construction of various functionalized organic molecules are developed. Importantly, the copper\u2010catalyzed asymmetric alkyne oxidation with\n                    <jats:italic>N<\/jats:italic>\n                    \u2010oxides, which represents the first non\u2010noble metal\u2010catalyzed alkyne oxidation, is reported by the in\u2009situ generated \u03b1\u2010oxo copper carbenes. Then, an efficient copper\u2010catalyzed desymmetric cyclization reaction of allenes via a presumable copper carbene intermediate and a highly selective 1,2\u2010N shift process is disclosed. In particular, this protocol represents the first example of non\u2010noble\u2010metalcatalyzed allene cyclization via the donor\/donor copper carbene intermediates. Based on these compelling findings, the precise transformation of alkynes, allenes, and allenynes by copper catalysts will accelerate novel insights into the exploration of alkyne and allene chemistry.\n                  <\/jats:p>","DOI":"10.1002\/tcr.202500201","type":"journal-article","created":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T11:31:46Z","timestamp":1758886306000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Recent Advances in Copper\u2010Catalyzed Tandem Reactions of Alkynes, Allenes, and Allenynes"],"prefix":"10.1002","volume":"25","author":[{"given":"Kua\u2010Fei","family":"Wei","sequence":"first","affiliation":[{"name":"College of Science Henan Agricultural University  63 Nongye Road Zhengzhou 450002 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong\u2010Can","family":"Lv","sequence":"additional","affiliation":[{"name":"College of Science Henan Agricultural 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