{"title":"二氧化硅-氯化锌:合成4-甲基香豆素的高效催化剂。","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":"{\"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}","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}
Silica-ZnCl 2 : An Efficient Catalyst for the Synthesis of 4-Methylcoumarins.
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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