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The diastereoselective [3 + 2] annulation approach exhibits mild conditions and good substrate tolerance.<\/jats:p>","DOI":"10.1021\/acs.joc.6c01408","type":"journal-article","created":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T19:30:10Z","timestamp":1788291010000},"page":"12282-12289","source":"Crossref","is-referenced-by-count":0,"title":["Divergent [3 + 2]\nand [4 + 2] Annulation of\n                    <i>O<\/i>\n                    -Tosylhydroxylamines:\nAssembly of Amino-Substituted\nTetrahydrofuran and Oxazinane Spirooxindoles"],"prefix":"10.1021","volume":"91","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3338-2098","authenticated-orcid":true,"given":"Jiaxu","family":"Feng","sequence":"first","affiliation":[{"name":"Tianjin University of Science and Technology , , ,","place":["Tianjin, People\u2019s Republic of China, 300457"]},{"name":"Tianjin University of Science and Technology , , ,","place":["Tianjin, People\u2019s Republic of China, 300457"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lulu","family":"Xu","sequence":"additional","affiliation":[{"name":"Tianjin University of Science and Technology , , ,","place":["Tianjin, People\u2019s Republic of China, 300457"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zichen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Tianjin University of Science and Technology , , ,","place":["Tianjin, People\u2019s Republic of China, 300457"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingying","family":"Wu","sequence":"additional","affiliation":[{"name":"Tianjin University of Science and Technology , , ,","place":["Tianjin, People\u2019s Republic of China, 300457"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinpeng","family":"Li","sequence":"additional","affiliation":[{"name":"Offshore Oil Engineering Co. 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