Farooq Biabani, Sanjay K Singh, S Kumar, Kanwal Raj, A Pathak
{"title":"The Willgerodt-Kindler reaction on lupenone: unusual oxidative dimerization.","authors":"Farooq Biabani, Sanjay K Singh, S Kumar, Kanwal Raj, A Pathak","doi":"10.1080/10575630290020514","DOIUrl":null,"url":null,"abstract":"<p><p>In continuation of our interest in chemical modification of triterpenoids, the Willgerodt-Kindler reaction of a lupane type triterpenoid lupenone provided a novel dimerized product 2. Formation of 2 is associated with an unusual oxidative dimerization of lupenone under Willgerodt-Kindler reaction conditions. The structure 2 was confirmed by extensive analysis of spectroscopic data including ES-MS and 2D-NMR.</p>","PeriodicalId":18873,"journal":{"name":"Natural Product Letters","volume":"16 5","pages":"297-300"},"PeriodicalIF":0.0000,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/10575630290020514","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Natural Product Letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10575630290020514","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
In continuation of our interest in chemical modification of triterpenoids, the Willgerodt-Kindler reaction of a lupane type triterpenoid lupenone provided a novel dimerized product 2. Formation of 2 is associated with an unusual oxidative dimerization of lupenone under Willgerodt-Kindler reaction conditions. The structure 2 was confirmed by extensive analysis of spectroscopic data including ES-MS and 2D-NMR.
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