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Chem."],"abstract":"<jats:p>\n                    An efficient Cu\n                    <jats:sub>2<\/jats:sub>\n                    O catalysis of 2\u2032-aminochalcones and diphenylphosphine oxides leading to a series of hemi-indigo derivatives is presented.\n                  <\/jats:p>","DOI":"10.1039\/d4ob00594e","type":"journal-article","created":{"date-parts":[[2024,5,8]],"date-time":"2024-05-08T10:34:53Z","timestamp":1715164493000},"page":"4249-4253","update-policy":"https:\/\/doi.org\/10.1039\/rsc_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Cu\n                    <sub>2<\/sub>\n                    O-catalyzed cascade phosphinylation\/cyclization of 2\u2032-aminochalcones for the synthesis of hemi-indigo derivatives"],"prefix":"10.1039","volume":"22","author":[{"given":"Xian","family":"Liu","sequence":"first","affiliation":[{"name":"Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. 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