An effective, recyclable, eco-friendly 3-(2-aminoethyl)-1-methyl-1H-imidazol-3-ium bromide [Aemim]Br: Solvent, base free synthesis of carbonyl compound catalyst by FeCl3/TEMPO
{"title":"An effective, recyclable, eco-friendly 3-(2-aminoethyl)-1-methyl-1H-imidazol-3-ium bromide [Aemim]Br: Solvent, base free synthesis of carbonyl compound catalyst by FeCl3/TEMPO","authors":"Sakthinarayanan Jayaraman , Selvarasu Uthayanila , Kasi Venkatesan , Ramasamy ShanmugaPriya , Parasuraman Karthikeyan","doi":"10.1016/j.jil.2023.100073","DOIUrl":null,"url":null,"abstract":"<div><p>We first report a novel solvent, base free synthesis of carbonyl compound catalyst by FeCl<sub>3</sub>/TEMPO at 40 °C with high-rate. In this article, we examine the mechanism of this catalytic system and compare the reactivity of aromatic alcohols. Furthermore, the efficacy of 3-(2-aminoethyl)-1-methyl-1H-imidazol-3-ium bromide [Aemim]Br could be maintained after seven recycling cycles. High catalyst productivity and reaction rate (5.53 to 22.50) have been accomplished with the use of an enhanced procedure.</p></div>","PeriodicalId":100794,"journal":{"name":"Journal of Ionic Liquids","volume":"4 1","pages":"Article 100073"},"PeriodicalIF":0.0000,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772422023000253/pdfft?md5=9a4e9032e3ae41ca09b735c73bd99a23&pid=1-s2.0-S2772422023000253-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Ionic Liquids","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2772422023000253","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
We first report a novel solvent, base free synthesis of carbonyl compound catalyst by FeCl3/TEMPO at 40 °C with high-rate. In this article, we examine the mechanism of this catalytic system and compare the reactivity of aromatic alcohols. Furthermore, the efficacy of 3-(2-aminoethyl)-1-methyl-1H-imidazol-3-ium bromide [Aemim]Br could be maintained after seven recycling cycles. High catalyst productivity and reaction rate (5.53 to 22.50) have been accomplished with the use of an enhanced procedure.
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