{"title":"氨基酸催化邻苯二胺与α-酮酸合成苯并咪唑。","authors":"Zhenbiao Luo, Mulin Huang, Xiangyong Wang, Xinye Wang, Zhihui Hu, Liang Zhao and Ting Huang","doi":"10.1039/D5RA06371J","DOIUrl":null,"url":null,"abstract":"<p >A green and simple method for the synthesis of benzimidazoles by amino acid catalysis of <em>o</em>-phenylenediamines with α-keto acids has been developed. The reaction proceeded smoothly in water under air and metal catalyst-free conditions to obtain 2-substituted benzimidazoles. Furthermore, the method was performed in an open system at room temperature, making the experimental operation very simple and greatly enhancing the accessibility of the method.</p>","PeriodicalId":102,"journal":{"name":"RSC Advances","volume":" 44","pages":" 36803-36807"},"PeriodicalIF":4.6000,"publicationDate":"2025-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12498134/pdf/","citationCount":"0","resultStr":"{\"title\":\"Synthesis of benzimidazoles from o-phenylenediamines with α-keto acids via amino acid catalysis\",\"authors\":\"Zhenbiao Luo, Mulin Huang, Xiangyong Wang, Xinye Wang, Zhihui Hu, Liang Zhao and Ting Huang\",\"doi\":\"10.1039/D5RA06371J\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >A green and simple method for the synthesis of benzimidazoles by amino acid catalysis of <em>o</em>-phenylenediamines with α-keto acids has been developed. The reaction proceeded smoothly in water under air and metal catalyst-free conditions to obtain 2-substituted benzimidazoles. Furthermore, the method was performed in an open system at room temperature, making the experimental operation very simple and greatly enhancing the accessibility of the method.</p>\",\"PeriodicalId\":102,\"journal\":{\"name\":\"RSC Advances\",\"volume\":\" 44\",\"pages\":\" 36803-36807\"},\"PeriodicalIF\":4.6000,\"publicationDate\":\"2025-10-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12498134/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"RSC Advances\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.rsc.org/en/content/articlelanding/2025/ra/d5ra06371j\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"RSC Advances","FirstCategoryId":"92","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2025/ra/d5ra06371j","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Synthesis of benzimidazoles from o-phenylenediamines with α-keto acids via amino acid catalysis
A green and simple method for the synthesis of benzimidazoles by amino acid catalysis of o-phenylenediamines with α-keto acids has been developed. The reaction proceeded smoothly in water under air and metal catalyst-free conditions to obtain 2-substituted benzimidazoles. Furthermore, the method was performed in an open system at room temperature, making the experimental operation very simple and greatly enhancing the accessibility of the method.
期刊介绍:
An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.