{"title":"Electrochemically Driven Ugi-Azide Reaction via C(sp<sup>3</sup>)-H Bond Activation of Tertiary Amines.","authors":"Bin Song, Feng Zhao, Pengxiang Gao, Ruizong Wang, Xuehai Ju, Bingcheng Hu, Chong Zhang","doi":"10.1021/acs.orglett.5c00163","DOIUrl":null,"url":null,"abstract":"<p><p>An electrochemically driven Ugi-azide reaction was established via C(sp<sup>3</sup>)-H bond activation of tertiary amines to prepare α-aminomethyl tetrazoles within 2.5 h under mild conditions with remarkable tolerance of various functional groups. Besides, this electrochemical strategy not only obviated the needs of iodine, metal, and exogenous oxidant but possessed potential applicability of convenient large-scale synthesis. Mechanistic studies indicated both the alkyl carbon-centered radical generated at the anode and intramolecular [3 + 2] cycloaddition are key factors for this strategy.</p>","PeriodicalId":54,"journal":{"name":"Organic Letters","volume":" ","pages":""},"PeriodicalIF":4.9000,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic Letters","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/acs.orglett.5c00163","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
引用次数: 0
Abstract
An electrochemically driven Ugi-azide reaction was established via C(sp3)-H bond activation of tertiary amines to prepare α-aminomethyl tetrazoles within 2.5 h under mild conditions with remarkable tolerance of various functional groups. Besides, this electrochemical strategy not only obviated the needs of iodine, metal, and exogenous oxidant but possessed potential applicability of convenient large-scale synthesis. Mechanistic studies indicated both the alkyl carbon-centered radical generated at the anode and intramolecular [3 + 2] cycloaddition are key factors for this strategy.
期刊介绍：
Organic Letters invites original reports of fundamental research in all branches of the theory and practice of organic, physical organic, organometallic,medicinal, and bioorganic chemistry. Organic Letters provides rapid disclosure of the key elements of significant studies that are of interest to a large portion of the organic community. In selecting manuscripts for publication, the Editors place emphasis on the originality, quality and wide interest of the work. Authors should provide enough background information to place the new disclosure in context and to justify the rapid publication format. Back-to-back Letters will be considered. Full details should be reserved for an Article, which should appear in due course.
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