C. Escolástico, M. Blanco, R. Claramunt, D. Sanz, J. Elguero
{"title":"Microwave Synthesis of Arylmethyl Substituted Pyrazoles","authors":"C. Escolástico, M. Blanco, R. Claramunt, D. Sanz, J. Elguero","doi":"10.2174/1874095200801020010","DOIUrl":null,"url":null,"abstract":"The synthesis under MW irradiation without solvent of 19 pyrazoles, of which only 8 were known, is described. They bear C-methyl groups and trityl, diphenylmethyl and benzyl groups at positions 1 and 4 of the pyrazole ring. In the reaction between pyrazole and trityl bromide an unexpected reaction occurred and 4-(9-phenyl-9H-fluoren-9-yl)-1H- pyrazole (7) was isolated.","PeriodicalId":23020,"journal":{"name":"The Open Organic Chemistry Journal","volume":"31 1","pages":"10-16"},"PeriodicalIF":0.0000,"publicationDate":"2008-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Open Organic Chemistry Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2174/1874095200801020010","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The synthesis under MW irradiation without solvent of 19 pyrazoles, of which only 8 were known, is described. They bear C-methyl groups and trityl, diphenylmethyl and benzyl groups at positions 1 and 4 of the pyrazole ring. In the reaction between pyrazole and trityl bromide an unexpected reaction occurred and 4-(9-phenyl-9H-fluoren-9-yl)-1H- pyrazole (7) was isolated.
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