{"title":"Rhodium-Catalyzed Asymmetric Hydrogenation and Transfer Hydrogenation of α-Nitro Ketones","authors":"Hao Sun, Liren Xu, Sai Ruan, Virginie Ratovelomanana-Vidal, Gen-Qiang Chen, Xumu Zhang","doi":"10.1021/acs.orglett.4c03859","DOIUrl":null,"url":null,"abstract":"A catalytic protocol for the enantioselective hydrogenation and transfer hydrogenation of α-nitro ketones was developed, providing a wide range of β-nitro-α-phenylethanols with high yields and excellent enantioselectivities (up to 98% yield and up to >99.9% ee). Compatibility with a wide range of solvents and bases demonstrates the robustness of this reaction. The synthetic potential of the protocol was demonstrated by the high TON experiment as well as the application in the synthesis of key intermediates of mirabegron (S/C = 10,000, 95% yield, 99% ee).","PeriodicalId":54,"journal":{"name":"Organic Letters","volume":null,"pages":null},"PeriodicalIF":4.9000,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic Letters","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/acs.orglett.4c03859","RegionNum":1,"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 catalytic protocol for the enantioselective hydrogenation and transfer hydrogenation of α-nitro ketones was developed, providing a wide range of β-nitro-α-phenylethanols with high yields and excellent enantioselectivities (up to 98% yield and up to >99.9% ee). Compatibility with a wide range of solvents and bases demonstrates the robustness of this reaction. The synthetic potential of the protocol was demonstrated by the high TON experiment as well as the application in the synthesis of key intermediates of mirabegron (S/C = 10,000, 95% yield, 99% ee).
期刊介绍:
Organic Letters invites original reports of fundamental research in all branches of the theory and practice of organic, physical organic, organometallic,medicinal, and bioorganic chemistry. Organic Letters provides rapid disclosure of the key elements of significant studies that are of interest to a large portion of the organic community. In selecting manuscripts for publication, the Editors place emphasis on the originality, quality and wide interest of the work. Authors should provide enough background information to place the new disclosure in context and to justify the rapid publication format. Back-to-back Letters will be considered. Full details should be reserved for an Article, which should appear in due course.