{"title":"Silica-ZnCl 2 : An Efficient Catalyst for the Synthesis of 4-Methylcoumarins.","authors":"Bandita Datta, Mohamed Afzal Pasha","doi":"10.1155/2013/132794","DOIUrl":null,"url":null,"abstract":"<p><p>Silica-ZnCl2 has been found to be an efficient and eco-friendly catalyst for the synthesis of substituted 4-methylcoumarins from ethyl acetoacetate and substituted phenols under \"neat\" conditions in an oil bath at 80°C. The experimental procedure is simple, includes shorter reaction times (15-65 min), compatible with sensitive functional groups, and results in excellent yield of the products. </p>","PeriodicalId":14730,"journal":{"name":"ISRN Organic Chemistry","volume":"2013 ","pages":"132794"},"PeriodicalIF":0.0000,"publicationDate":"2013-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/132794","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ISRN Organic Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1155/2013/132794","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Silica-ZnCl2 has been found to be an efficient and eco-friendly catalyst for the synthesis of substituted 4-methylcoumarins from ethyl acetoacetate and substituted phenols under "neat" conditions in an oil bath at 80°C. The experimental procedure is simple, includes shorter reaction times (15-65 min), compatible with sensitive functional groups, and results in excellent yield of the products.
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