Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives

Abstract Difluorocarbene, an important reactive intermediate in organic synthesis, exhibits intriguing properties and synthetic versatility. However, great challenges in modulating reaction pathways limit its widespread application in synthetic chemistry. While metal-catalyzed difluorocarbene transf...

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Main Authors: Jiuling Li, Baofan Wang, Taichen Liu, Qinghong Wen, Tongfei Jing, Xiang Fu, Yingming Pan, Kai Wei, Xiaoyu Zhou, Wenhao Hu, Zhenghui Kang
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-61947-z
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author Jiuling Li
Baofan Wang
Taichen Liu
Qinghong Wen
Tongfei Jing
Xiang Fu
Yingming Pan
Kai Wei
Xiaoyu Zhou
Wenhao Hu
Zhenghui Kang
author_facet Jiuling Li
Baofan Wang
Taichen Liu
Qinghong Wen
Tongfei Jing
Xiang Fu
Yingming Pan
Kai Wei
Xiaoyu Zhou
Wenhao Hu
Zhenghui Kang
author_sort Jiuling Li
collection DOAJ
description Abstract Difluorocarbene, an important reactive intermediate in organic synthesis, exhibits intriguing properties and synthetic versatility. However, great challenges in modulating reaction pathways limit its widespread application in synthetic chemistry. While metal-catalyzed difluorocarbene transfer offers a promising strategy but remains a formidable challenge. Herein, we disclose a copper-mediated multicomponent reaction of amine, aldehyde and BrCF2CO2K for synthesis of α- aminoamide derivatives, wherein copper-difluorocarbene serve as carbonyl source. Control experiments and DFT calculations support the pathway initiated by formation of a copper-difluorocarbene from BrCF2CO2K, followed by nucleophilic attack of the amine to produce an ammonium ylide, interception of the ylide with imine, and defluorination via carbonyl migration. This transformation demonstrates broad substrate scope, accommodating not only aromatic aldehydes but also alkyl aldehydes and drug-modified arylamines, highlighting its synthetic applicability. Furthermore, the method provides a practical and ideal alternative to classical Ugi or Strecker reactions, circumventing the need for toxic cyanide salts or unstable isonitriles.
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institution Kabale University
issn 2041-1723
language English
publishDate 2025-07-01
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series Nature Communications
spelling doaj-art-b56701a38b4542c4bed4c9d5dea954b92025-08-20T04:02:54ZengNature PortfolioNature Communications2041-17232025-07-0116111010.1038/s41467-025-61947-zMulti-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivativesJiuling Li0Baofan Wang1Taichen Liu2Qinghong Wen3Tongfei Jing4Xiang Fu5Yingming Pan6Kai Wei7Xiaoyu Zhou8Wenhao Hu9Zhenghui Kang10School of Medical Sciences, Pingdingshan UniversityZhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of SciencesSchool of Medical Sciences, Pingdingshan UniversityZhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of SciencesZhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of SciencesSchool of Pharmaceutical Sciences, Sun Yat-sen UniversitySchool of Chemistry and Pharmaceutical Sciences, Guangxi Normal UniversitySchool of Medical Sciences, Pingdingshan UniversitySchool of Pharmaceutical and Chemical Engineering, Taizhou UniversitySchool of Pharmaceutical Sciences, Sun Yat-sen UniversityZhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of SciencesAbstract Difluorocarbene, an important reactive intermediate in organic synthesis, exhibits intriguing properties and synthetic versatility. However, great challenges in modulating reaction pathways limit its widespread application in synthetic chemistry. While metal-catalyzed difluorocarbene transfer offers a promising strategy but remains a formidable challenge. Herein, we disclose a copper-mediated multicomponent reaction of amine, aldehyde and BrCF2CO2K for synthesis of α- aminoamide derivatives, wherein copper-difluorocarbene serve as carbonyl source. Control experiments and DFT calculations support the pathway initiated by formation of a copper-difluorocarbene from BrCF2CO2K, followed by nucleophilic attack of the amine to produce an ammonium ylide, interception of the ylide with imine, and defluorination via carbonyl migration. This transformation demonstrates broad substrate scope, accommodating not only aromatic aldehydes but also alkyl aldehydes and drug-modified arylamines, highlighting its synthetic applicability. Furthermore, the method provides a practical and ideal alternative to classical Ugi or Strecker reactions, circumventing the need for toxic cyanide salts or unstable isonitriles.https://doi.org/10.1038/s41467-025-61947-z
spellingShingle Jiuling Li
Baofan Wang
Taichen Liu
Qinghong Wen
Tongfei Jing
Xiang Fu
Yingming Pan
Kai Wei
Xiaoyu Zhou
Wenhao Hu
Zhenghui Kang
Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
Nature Communications
title Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
title_full Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
title_fullStr Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
title_full_unstemmed Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
title_short Multi-component reactions via copper(I) difluorocarbene as carbonyl source for constructing α—aminoamide derivatives
title_sort multi component reactions via copper i difluorocarbene as carbonyl source for constructing α aminoamide derivatives
url https://doi.org/10.1038/s41467-025-61947-z
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