{"title":"Selectfluor-triggered C–H halogenations of enaminones with copper(I) halide (CuX) for the synthesis of 3-halochromones","authors":"Tian Ma, Xiaoli Li, Jinwei Yuan","doi":"10.1515/znb-2024-0027","DOIUrl":null,"url":null,"abstract":"A practical and efficient synthetic route to construct a variety of 3-halochromones has been realized using Selectfluor reagent as a fluorine source, or Selectfluor-copper(I) halide combination as halogen source under mild conditions. This reaction proceeds via a sequence of electrophilic cation addition, and cyclization leading to a broad range of 3-halochromones in good to excellent yields in a short period of time. Additionally, the utilization of commercially available and cost-effective Selectfluor and copper(I) halide renders this system highly practical.","PeriodicalId":23831,"journal":{"name":"Zeitschrift für Naturforschung B","volume":"10 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeitschrift für Naturforschung B","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/znb-2024-0027","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A practical and efficient synthetic route to construct a variety of 3-halochromones has been realized using Selectfluor reagent as a fluorine source, or Selectfluor-copper(I) halide combination as halogen source under mild conditions. This reaction proceeds via a sequence of electrophilic cation addition, and cyclization leading to a broad range of 3-halochromones in good to excellent yields in a short period of time. Additionally, the utilization of commercially available and cost-effective Selectfluor and copper(I) halide renders this system highly practical.
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