Xingyuan Ye, Peng Bao, Yan Pan, Han Xiao, Qiuwen Li and Guangke He
{"title":"Base-promoted tandem ring-opening/ring-closing of N-alkynyl-2-oxazolidinones enables facile synthesis of 2-oxazolines†","authors":"Xingyuan Ye, Peng Bao, Yan Pan, Han Xiao, Qiuwen Li and Guangke He","doi":"10.1039/D4OB01561D","DOIUrl":null,"url":null,"abstract":"<p >A K<small><sub>2</sub></small>CO<small><sub>3</sub></small>-promoted tandem ring-opening/ring-closing of <em>N</em>-alkynyl-2-oxazolidinones has been described, affording 2-oxazolines in 42–99% yields without column chromatography isolation. This operationally simple reaction proceeds under ambient conditions without a transition-metal catalyst and an external oxidant and can be applied for the late-stage functionalization of biologically active compounds.</p>","PeriodicalId":96,"journal":{"name":"Organic & Biomolecular Chemistry","volume":" 48","pages":" 9388-9393"},"PeriodicalIF":2.9000,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic & Biomolecular Chemistry","FirstCategoryId":"92","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2024/ob/d4ob01561d","RegionNum":3,"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
A K2CO3-promoted tandem ring-opening/ring-closing of N-alkynyl-2-oxazolidinones has been described, affording 2-oxazolines in 42–99% yields without column chromatography isolation. This operationally simple reaction proceeds under ambient conditions without a transition-metal catalyst and an external oxidant and can be applied for the late-stage functionalization of biologically active compounds.
期刊介绍:
Organic & Biomolecular Chemistry is an international journal using integrated research in chemistry-organic chemistry. Founded in 2003 by the Royal Society of Chemistry, the journal is published in Semimonthly issues and has been indexed by SCIE, a leading international database. The journal focuses on the key research and cutting-edge progress in the field of chemistry-organic chemistry, publishes and reports the research results in this field in a timely manner, and is committed to becoming a window and platform for rapid academic exchanges among peers in this field. The journal's impact factor in 2023 is 2.9, and its CiteScore is 5.5.