{"title":"Mechanochemical cyclization of push-pull enamines with propargyl alcohols","authors":"Srinivasarao Yaragorla, Megavath Vinod, Dandugula Sneha Latha","doi":"10.1016/j.tet.2024.134339","DOIUrl":null,"url":null,"abstract":"<div><div>We developed an efficient mechanochemical method for the synthesis of 1,2-dihydropyridine derivatives from push-pull enamines and <em>tert</em>-propargyl alcohols under ball milling with <em>p</em>-TsOH/HFIP. The reaction proceeds smoothly under metal-free conditions with fast, efficient, and high-yielding synthesis of 1,2-dihydropyridines. The reaction shows excellent atom economy, with a broad substrate generality.</div></div>","PeriodicalId":437,"journal":{"name":"Tetrahedron","volume":null,"pages":null},"PeriodicalIF":2.1000,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tetrahedron","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0040402024005209","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
引用次数: 0
Abstract
We developed an efficient mechanochemical method for the synthesis of 1,2-dihydropyridine derivatives from push-pull enamines and tert-propargyl alcohols under ball milling with p-TsOH/HFIP. The reaction proceeds smoothly under metal-free conditions with fast, efficient, and high-yielding synthesis of 1,2-dihydropyridines. The reaction shows excellent atom economy, with a broad substrate generality.
期刊介绍：
Tetrahedron publishes full accounts of research having outstanding significance in the broad field of organic chemistry and its related disciplines, such as organic materials and bio-organic chemistry.
Regular papers in Tetrahedron are expected to represent detailed accounts of an original study having substantially greater scope and details than that found in a communication, as published in Tetrahedron Letters.
Tetrahedron also publishes thematic collections of papers as special issues and ''Reports'', commissioned in-depth reviews providing a comprehensive overview of a research area.
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