{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T17:32:06Z","timestamp":1790011926966,"version":"4.0.1"},"reference-count":43,"publisher":"American Chemical Society (ACS)","issue":"34","license":[{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-045"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22471025"],"award-info":[{"award-number":["22471025"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, Changzhou University"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Org. Lett."],"published-print":{"date-parts":[[2025,8,29]]},"DOI":"10.1021\/acs.orglett.5c02626","type":"journal-article","created":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T11:22:47Z","timestamp":1755688967000},"page":"9382-9386","source":"Crossref","is-referenced-by-count":7,"title":["Ring Expansion Strategy toward Seven\/Eight-Membered 1,4-Diazaheterocycle Ketones from Imidazolidines with Cyclobutenones\/Diarylcyclopropenones"],"prefix":"10.1021","volume":"27","author":[{"given":"Deli","family":"Cai","sequence":"first","affiliation":[{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, School of Petrochemical Engineering","place":["Changzhou, China"]},{"name":"Changzhou University","place":["Changzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yulu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, School of Petrochemical Engineering","place":["Changzhou, China"]},{"name":"Changzhou University","place":["Changzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5427-079X","authenticated-orcid":true,"given":"Wen","family":"Shao","sequence":"additional","affiliation":[{"name":"College of Chemistry","place":["Xiangtan, China"]},{"name":"Xiangtan University","place":["Xiangtan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7379-8266","authenticated-orcid":true,"given":"Ying","family":"Shao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, School of Petrochemical Engineering","place":["Changzhou, China"]},{"name":"Changzhou University","place":["Changzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiangtao","family":"Sun","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, School of Petrochemical Engineering","place":["Changzhou, China"]},{"name":"Changzhou University","place":["Changzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4860-5458","authenticated-orcid":true,"given":"Shengbiao","family":"Tang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Catalysis for Pharmaceutical Intermediates in the Petroleum and Chemical Industry, School of Petrochemical Engineering","place":["Changzhou, China"]},{"name":"Changzhou University","place":["Changzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2025,8,20]]},"reference":[{"key":"ref1\/cit1a","doi-asserted-by":"publisher","DOI":"10.1021\/co1000508"},{"key":"ref1\/cit1b","doi-asserted-by":"publisher","DOI":"10.1517\/14656560903078410"},{"key":"ref1\/cit1c","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2016.09.004"},{"key":"ref1\/cit1d","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jmedchem.5b00683"},{"key":"ref2\/cit2a","doi-asserted-by":"publisher","DOI":"10.1021\/ol026013u"},{"key":"ref2\/cit2b","doi-asserted-by":"publisher","DOI":"10.1021\/jm0302041"},{"key":"ref2\/cit2c","doi-asserted-by":"publisher","DOI":"10.1002\/cmdc.200500068"},{"key":"ref3\/cit3a","doi-asserted-by":"publisher","DOI":"10.1016\/S0065-2725(08)60331-1"},{"key":"ref3\/cit3b","doi-asserted-by":"publisher","DOI":"10.1016\/S0040-4020(01)89262-0"},{"key":"ref3\/cit3c","doi-asserted-by":"publisher","DOI":"10.1039\/c2ob25996f"},{"key":"ref3\/cit3d","doi-asserted-by":"publisher","DOI":"10.1002\/slct.201602062"},{"key":"ref3\/cit3e","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-018-03085-3"},{"key":"ref3\/cit3f","doi-asserted-by":"publisher","DOI":"10.1021\/jo900441s"},{"key":"ref4\/cit4","doi-asserted-by":"publisher","DOI":"10.1039\/D0SC05725H"},{"key":"ref5\/cit5a","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.2c04775"},{"key":"ref5\/cit5b","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.2c02561"},{"key":"ref5\/cit5c","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.3c01219"},{"key":"ref5\/cit5d","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.4c01219"},{"key":"ref5\/cit5e","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.5c01267"},{"key":"ref6\/cit6","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.4c01279"},{"key":"ref7\/cit7a","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201603382"},{"key":"ref7\/cit7b","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.6b03210"},{"key":"ref7\/cit7c","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.6b00599"},{"key":"ref8\/cit8a","doi-asserted-by":"publisher","DOI":"10.1039\/C5SC01972A"},{"key":"ref8\/cit8b","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.6b03043"},{"key":"ref8\/cit8c","doi-asserted-by":"publisher","DOI":"10.1002\/adsc.201501152"},{"key":"ref8\/cit8d","doi-asserted-by":"publisher","DOI":"10.1039\/C8CC01040D"},{"key":"ref8\/cit8e","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.9b00670"},{"key":"ref8\/cit8f","doi-asserted-by":"publisher","DOI":"10.1039\/D0CC02836C"},{"key":"ref8\/cit8g","doi-asserted-by":"publisher","DOI":"10.1039\/D0CC05965J"},{"key":"ref8\/cit8h","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.0c00608"},{"key":"ref8\/cit8i","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201913825"},{"key":"ref8\/cit8j","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.1c03413"},{"key":"ref9\/cit9a","doi-asserted-by":"publisher","DOI":"10.1021\/cr010011q"},{"key":"ref9\/cit9b","doi-asserted-by":"publisher","DOI":"10.1021\/cr0100244"},{"key":"ref9\/cit9c","doi-asserted-by":"publisher","DOI":"10.1021\/cr60288a003"},{"key":"ref9\/cit9d","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.9b04656"},{"key":"ref9\/cit9e","doi-asserted-by":"publisher","DOI":"10.1038\/s41557-021-00746-7"},{"key":"ref9\/cit9f","doi-asserted-by":"publisher","DOI":"10.1039\/D2CC00421F"},{"key":"ref9\/cit9g","doi-asserted-by":"publisher","DOI":"10.1002\/adsc.202101175"},{"key":"ref10\/cit10a","doi-asserted-by":"publisher","DOI":"10.1039\/D0OB00601G"},{"key":"ref10\/cit10b","doi-asserted-by":"publisher","DOI":"10.1021\/acs.joc.1c02464"},{"key":"ref10\/cit10c","doi-asserted-by":"publisher","DOI":"10.1039\/D1QO00322D"}],"container-title":["Organic Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/pubs.acs.org\/doi\/pdf\/10.1021\/acs.orglett.5c02626","content-type":"application\/pdf","content-version":"vor","intended-application":"unspecified"},{"URL":"https:\/\/pubs.acs.org\/doi\/pdf\/10.1021\/acs.orglett.5c02626","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,29]],"date-time":"2025-08-29T08:14:23Z","timestamp":1756455263000},"score":1,"resource":{"primary":{"URL":"https:\/\/pubs.acs.org\/doi\/10.1021\/acs.orglett.5c02626"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,8,20]]},"references-count":43,"journal-issue":{"issue":"34","published-print":{"date-parts":[[2025,8,29]]}},"alternative-id":["10.1021\/acs.orglett.5c02626"],"URL":"https:\/\/doi.org\/10.1021\/acs.orglett.5c02626","relation":{},"ISSN":["1523-7060","1523-7052"],"issn-type":[{"value":"1523-7060","type":"print"},{"value":"1523-7052","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,8,20]]}}}