Muhammad Adnan Bashir , Xuanjie Chen , Tie Wang , Hui Guo , Hongbin Zhai
{"title":"仿生氧化苯酚- enamine[3 + 2]环加成法合成环五[b]苯并呋喃","authors":"Muhammad Adnan Bashir , Xuanjie Chen , Tie Wang , Hui Guo , Hongbin Zhai","doi":"10.1039/d2qo01916g","DOIUrl":null,"url":null,"abstract":"<div><p>A hemin/<em>t</em>-BuOOH-catalyzed oxidative phenol–enamine formal [3 + 2] cycloaddition has been developed, enabling the environmentally benign synthesis of valuable cyclopenta[<em>b</em>]benzofuran scaffolds under sustainable reaction conditions with excellent atom- and step-economy. Mechanistic studies point to the involvement of a two-electron oxidation pathway. Based on the preliminary biological investigations, compound <strong>3ay</strong> displayed moderate anti-cancer activities (IC<sub>50</sub> = 27.73 μM) against MCF7 cells (breast cancer cells).</p></div>","PeriodicalId":94379,"journal":{"name":"Organic chemistry frontiers : an international journal of organic chemistry","volume":"10 5","pages":"Pages 1213-1218"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synthesis of cyclopenta[b]benzofurans via biomimetic oxidative phenol–enamine [3 + 2] cycloaddition†\",\"authors\":\"Muhammad Adnan Bashir , Xuanjie Chen , Tie Wang , Hui Guo , Hongbin Zhai\",\"doi\":\"10.1039/d2qo01916g\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A hemin/<em>t</em>-BuOOH-catalyzed oxidative phenol–enamine formal [3 + 2] cycloaddition has been developed, enabling the environmentally benign synthesis of valuable cyclopenta[<em>b</em>]benzofuran scaffolds under sustainable reaction conditions with excellent atom- and step-economy. Mechanistic studies point to the involvement of a two-electron oxidation pathway. Based on the preliminary biological investigations, compound <strong>3ay</strong> displayed moderate anti-cancer activities (IC<sub>50</sub> = 27.73 μM) against MCF7 cells (breast cancer cells).</p></div>\",\"PeriodicalId\":94379,\"journal\":{\"name\":\"Organic chemistry frontiers : an international journal of organic chemistry\",\"volume\":\"10 5\",\"pages\":\"Pages 1213-1218\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Organic chemistry frontiers : an international journal of organic chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/org/science/article/pii/S2052411023005278\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic chemistry frontiers : an international journal of organic chemistry","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2052411023005278","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Synthesis of cyclopenta[b]benzofurans via biomimetic oxidative phenol–enamine [3 + 2] cycloaddition†
A hemin/t-BuOOH-catalyzed oxidative phenol–enamine formal [3 + 2] cycloaddition has been developed, enabling the environmentally benign synthesis of valuable cyclopenta[b]benzofuran scaffolds under sustainable reaction conditions with excellent atom- and step-economy. Mechanistic studies point to the involvement of a two-electron oxidation pathway. Based on the preliminary biological investigations, compound 3ay displayed moderate anti-cancer activities (IC50 = 27.73 μM) against MCF7 cells (breast cancer cells).