Yan Zhu , Ying Shao , Shengbiao Tang , Jiangtao Sun
{"title":"铜催化2-羰基吲哚的1,4-羧酸酯脱芳重排†","authors":"Yan Zhu , Ying Shao , Shengbiao Tang , Jiangtao Sun","doi":"10.1039/d2qo01647h","DOIUrl":null,"url":null,"abstract":"<div><p>A novel dearomative 1,4-rearrangement reaction of 2-carbonateindoles with aryl diazoacetates has been developed in the presence of a copper catalyst, which might proceed through a tandem formation of a zwitterionic intermediate, intramolecular cyclization and ring-opening reaction to give the final rearrangement products containing an all-carbon quaternary center with two newly formed C–C bonds. In this sequence, the disruption of the aromaticity of indole has been realized, associated with 1,4-carboxylate rearrangements.</p></div>","PeriodicalId":94379,"journal":{"name":"Organic chemistry frontiers : an international journal of organic chemistry","volume":"10 1","pages":"Pages 99-103"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Copper-catalyzed dearomative 1,4-carboxylate rearrangement of 2-carbonateindoles†\",\"authors\":\"Yan Zhu , Ying Shao , Shengbiao Tang , Jiangtao Sun\",\"doi\":\"10.1039/d2qo01647h\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A novel dearomative 1,4-rearrangement reaction of 2-carbonateindoles with aryl diazoacetates has been developed in the presence of a copper catalyst, which might proceed through a tandem formation of a zwitterionic intermediate, intramolecular cyclization and ring-opening reaction to give the final rearrangement products containing an all-carbon quaternary center with two newly formed C–C bonds. In this sequence, the disruption of the aromaticity of indole has been realized, associated with 1,4-carboxylate rearrangements.</p></div>\",\"PeriodicalId\":94379,\"journal\":{\"name\":\"Organic chemistry frontiers : an international journal of organic chemistry\",\"volume\":\"10 1\",\"pages\":\"Pages 99-103\"},\"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/S2052411023003437\",\"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/S2052411023003437","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Copper-catalyzed dearomative 1,4-carboxylate rearrangement of 2-carbonateindoles†
A novel dearomative 1,4-rearrangement reaction of 2-carbonateindoles with aryl diazoacetates has been developed in the presence of a copper catalyst, which might proceed through a tandem formation of a zwitterionic intermediate, intramolecular cyclization and ring-opening reaction to give the final rearrangement products containing an all-carbon quaternary center with two newly formed C–C bonds. In this sequence, the disruption of the aromaticity of indole has been realized, associated with 1,4-carboxylate rearrangements.
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