{"title":"Concise organocatalyzed epoxidation based total synthesis of (−)- and (+)-trans-posticlures and (−)-(6Z,9Z,4S,5S)-trans-4,5-epoxynonadeca-6,9-diene†","authors":"Rodney A. Fernandes and Gulenur N. Khatun","doi":"10.1039/D5OB00597C","DOIUrl":null,"url":null,"abstract":"<p >A concise, flexible and efficient organocatalytic strategy has been developed for the enantioselective synthesis of (−)-<em>trans</em>- and (+)-<em>trans</em>-posticlures, along with (−)-(6<em>Z</em>,9<em>Z</em>,4<em>S</em>,5<em>S</em>)-<em>trans</em>-4,5-epoxynonadeca-6,9-diene which are remarkable natural <em>trans</em>-epoxide pheromones. The key transformations in this approach involve an organocatalyzed asymmetric Jørgensen epoxidation and stereoselective (<em>Z</em>)-Wittig olefination. Notably, the Jørgensen epoxidation step ensures excellent enantiopurity (up to 97% ee) in the synthesis of the target pheromone antipodes.</p>","PeriodicalId":96,"journal":{"name":"Organic & Biomolecular Chemistry","volume":" 21","pages":" 5159-5162"},"PeriodicalIF":2.9000,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic & Biomolecular Chemistry","FirstCategoryId":"92","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2025/ob/d5ob00597c","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
引用次数: 0
Abstract
A concise, flexible and efficient organocatalytic strategy has been developed for the enantioselective synthesis of (−)-trans- and (+)-trans-posticlures, along with (−)-(6Z,9Z,4S,5S)-trans-4,5-epoxynonadeca-6,9-diene which are remarkable natural trans-epoxide pheromones. The key transformations in this approach involve an organocatalyzed asymmetric Jørgensen epoxidation and stereoselective (Z)-Wittig olefination. Notably, the Jørgensen epoxidation step ensures excellent enantiopurity (up to 97% ee) in the synthesis of the target pheromone antipodes.
期刊介绍:
Organic & Biomolecular Chemistry is an international journal using integrated research in chemistry-organic chemistry. Founded in 2003 by the Royal Society of Chemistry, the journal is published in Semimonthly issues and has been indexed by SCIE, a leading international database. The journal focuses on the key research and cutting-edge progress in the field of chemistry-organic chemistry, publishes and reports the research results in this field in a timely manner, and is committed to becoming a window and platform for rapid academic exchanges among peers in this field. The journal's impact factor in 2023 is 2.9, and its CiteScore is 5.5.