1
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Liu J, Guo L, Chen Z, Guo Y, Zhang W, Peng X, Wang Z, Zeng YF. Photoredox-catalyzed unsymmetrical diamination of alkenes for access to vicinal diamines. Chem Commun (Camb) 2024; 60:3413-3416. [PMID: 38441256 DOI: 10.1039/d4cc00330f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
A photoredox-catalyzed unsymmetrical diamination of alkenes by using N-aminopyridinium salts and nitriles as the amination reagents has been developed. Various vicinal diamines were obtained in moderate to excellent yields under mild reaction conditions. Furthermore, this protocol could be applied in the late-stage modification of pharmaceuticals and natural products. Preliminary mechanistic studies suggested that this methodology may undergo a radical pathway followed by a Ritter-type reaction.
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Affiliation(s)
- Jie Liu
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Lu Guo
- Department of Sports Medicine, Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Zhang Chen
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Yu Guo
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Wei Zhang
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Xue Peng
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Zhen Wang
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- MOE Key Lab of Rare Pediatric Diseases, University of South China, Hengyang, Hunan, 421001, China
| | - Yao-Fu Zeng
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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2
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Mohiti M, Lu Y, He H, Ni SF, Somfai P. Regio- and Enantioselective Synthesis of 1,2-Diamines by Formal Hydroamination of Enamines: Scope, Mechanism, and Asymmetric Synthesis of Orthogonally Protected Bis-Piperazines as a Privileged Scaffold. Chemistry 2024; 30:e202303078. [PMID: 38205968 DOI: 10.1002/chem.202303078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/12/2024]
Abstract
We have previously reported the first formal hydroamination of enamines for the synthesis of chiral 1,2-diamines. Here, we describe: (i) the discovery, optimization, and substrate expansion of this reaction; (ii) a novel and straightforward protocol for the "click-type" synthesis of enamines in quantitative yield utilizing sodium sulfate in a dual role as an ancillary and dehydrating agent without the need for workup or purification; (iii) the application of this methodology to the first enantioselective synthesis of orthogonally protected 1,1'-(1-(4-fluorophenyl)ethane-1,2-diyl) piperazines, a scaffold for rapid lead optimization in drug discovery; (iv) a computational investigation into the mechanism and rationalization of the enantioselectivities of the reaction.
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Affiliation(s)
- Maziar Mohiti
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
| | - Yu Lu
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
| | - Hui He
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Shao-Fei Ni
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Peter Somfai
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
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3
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Yang LF, Xiong ZQ, Ouyang XH, Wang QA, Li JH. Cobalt-Promoted Photoredox 1,2-Amidoamination of Alkenes with N-Sulfonamidopyridin-1-ium Salts and Free Amines. Org Lett 2024; 26:1667-1671. [PMID: 38380904 DOI: 10.1021/acs.orglett.4c00155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
A cobalt-promoted photoredox 1,2-amidoamination of alkenes with N-sulfonamidopyridin-1-ium salts and free amines for the synthesis of unsymmetrical vicinal diamines has been developed. The reaction handles N-(sulfonamido)pyridin-1-ium salts as the sulfonamidyl radical precursors and free amines as the nucleophilic terminating reagents to enable the formation of two new C(sp3)-N bonds in a single reaction step and offers a route to selectively producing unsymmetrical vicinal diamines with an exquisite selectivity and a good compatibility of functional groups.
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Affiliation(s)
- Liang-Feng Yang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Zhi-Qiang Xiong
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Xuan-Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Qiu-An Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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4
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Kumar R. Transition-Metal-Catalyzed 1,2-Diaminations of Olefins: Synthetic Methodologies and Mechanistic Studies. Chem Asian J 2024; 19:e202300705. [PMID: 37743249 DOI: 10.1002/asia.202300705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/20/2023] [Accepted: 09/20/2023] [Indexed: 09/26/2023]
Abstract
1,2-Diamines are synthetically important motifs in organo-catalysis, natural products, and drug research. Continuous utilization of transition-metal based catalyst in direct 1,2-diamination of olefines, in contrast to metal-free transformations, with numerous impressive advances made in recent years (2015-2023). This review summarized contemporary research on the transition-metal catalyzed/mediated [e. g., Cu(II), Pd(II), Fe(II), Rh(III), Ir(III), and Co(II)] 1,2-diamination (asymmetric and non-asymmetric) especially emphasizing the recent synthetic methodologies and mechanistic understandings. Moreover, up-to-date discussion on (i) paramount role of oxidant and catalyst (ii) key achievements (iii) generality and uniqueness, (iv) synthetic limitations or future challenges, and (v) future opportunities are summarized related to this potential area.
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Affiliation(s)
- Ravinder Kumar
- Department of Chemistry, MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, Haryana, INDIA
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5
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Nagamalla S, Thomas AA, Nirpal AK, Mague JT, Sathyamoorthi S. Ring Opening of Aziridines by Pendant Sulfamates Allows for Regioselective and Stereospecific Preparation of Vicinal Diamines. J Org Chem 2023; 88:15989-16006. [PMID: 37903411 PMCID: PMC10799289 DOI: 10.1021/acs.joc.3c01731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
The ring opening of aziridines by pendant sulfamates is a viable strategy for the rapid preparation of vicinal diamines. Our reaction is compatible with both disubstituted cis- and trans-aziridines; unsubstituted, N-alkyl, and N-aryl sulfamates engage effectively. In all cases examined, the cyclization reaction is perfectly regioselective and stereospecific. Once activated, the product oxathiazinane heterocycles can be ring opened with a diverse range of nucleophiles.
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Affiliation(s)
- Someshwar Nagamalla
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Annu Anna Thomas
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Appasaheb K. Nirpal
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
| | - Joel T. Mague
- Department of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Shyam Sathyamoorthi
- Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66047, United States
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6
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Robins JG, Johnson JS. Development of New Reactions Driven by N-O Bond Cleavage: from O-Acyl Hydroxylamines to Tetrodotoxin. Synlett 2023; 34:1563-1572. [PMID: 37841363 PMCID: PMC10574809 DOI: 10.1055/s-0042-1751423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
This Account describes new reactions that have been developed in the Johnson laboratories at UNC Chapel Hill enabled by considerations of N-O bond cleavage. Three main case studies are highlighted: the metal-catalyzed electrophilic amination of O-acyl hydroxyl amines, multihetero-Cope rearrangements driven by O-N bond breakage, and merged dearomatization/N=O cycloadditions for the synthesis of complex 4-aminocyclohexanols such as those found in the natural product tetrodotoxin.
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Affiliation(s)
- Jacob G Robins
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, USA
| | - Jeffrey S Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, USA
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7
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Dai JJ, Yin X, Li L, Rivera ME, Wang YC, Dai M. Modular and practical diamination of allenes. Nat Commun 2023; 14:1774. [PMID: 36997504 PMCID: PMC10063549 DOI: 10.1038/s41467-023-37345-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 03/10/2023] [Indexed: 04/01/2023] Open
Abstract
Vicinal diamines are privileged scaffolds in medicine, agrochemicals, catalysis, and other fields. While significant advancements have been made in diamination of olefins, diamination of allenes is only sporadically explored. Furthermore, direct incorporation of acyclic and cyclic alkyl amines onto unsaturated π systems is highly desirable and important, but problematic for many previously reported amination reactions including the diamination of olefins. Herein, we report a modular and practical diamination of allenes, which offers efficient syntheses of β,γ-diamino carboxylates and sulfones. This reaction features broad substrate scope, excellent functional group tolerability, and scalability. Experimental and computational studies support an ionic reaction pathway initiated with a nucleophilic addition of the in situ formed iodoamine to the electron deficient allene substrate. An iodoamine activation mode via a halogen bond with a chloride ion was revealed to substantially increase the nucleophilicity of the iodoamine and lower the activation energy barrier for the nucleophilic addition step.
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Affiliation(s)
- Jian-Jun Dai
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Xianglin Yin
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA
| | - Lei Li
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Mario E Rivera
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Ye-Cheng Wang
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA.
| | - Mingji Dai
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, IN, 47907, USA.
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA.
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8
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Wu D, Jiang M, Wang JJ, Yu W. Copper-Catalyzed Sulfonylation/Cyclization of Pent-4-ynamides toward Sulfonyl-Functionalized Pyrrol-2-ones. Org Lett 2023; 25:2073-2077. [PMID: 36926914 DOI: 10.1021/acs.orglett.3c00441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
A domino sulfonylation/intramolecular C-N coupling/dehydrogenation reaction was realized between pent-4-ynamides and sulfonyl chlorides by catalysis of Cu(acac)2 and 2,2'-bis(diphenylphosphanyl)-1,1'-binaphthalene. The reaction provides a convenient approach to sulfonyl-functionalized pyrrol-2-ones. This method can also be applied to the synthesis of 3-alkylidene isoindolinones from 2-ethynyl-benzamides.
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Affiliation(s)
- Danhua Wu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Menglu Jiang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Juan-Juan Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Wei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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9
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Saryazdi S, Parkin S, Grossman RB. 1,2-Diamination of Alkenes via 1,3-Dipolar Cycloaddition with Azidium Ions or Azides. Org Lett 2023; 25:331-335. [PMID: 36626894 DOI: 10.1021/acs.orglett.2c03908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We describe two new methods for the 1,2-diamination of alkenes. First, either an azidium ion (ArN═N+═NAr) undergoes 1,3-dipolar cycloaddition with an alkene to give a 1,2,3-triazolinium ion directly, or an intramolecular azide-alkene cycloaddition followed by N-benzylation provides the same. Second, hydrogenation of the 1,2,3-triazolinium ion over Raney Ni excises the central N atom and gives the 1,2-diamine. The stereochemistry of the alkene is usually, but not always, preserved in the 1,2-diamine.
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Affiliation(s)
- Setareh Saryazdi
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - Sean Parkin
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - Robert B Grossman
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
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10
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Pratley C, Fenner S, Murphy JA. Nitrogen-Centered Radicals in Functionalization of sp 2 Systems: Generation, Reactivity, and Applications in Synthesis. Chem Rev 2022; 122:8181-8260. [PMID: 35285636 DOI: 10.1021/acs.chemrev.1c00831] [Citation(s) in RCA: 87] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The chemistry of nitrogen-centered radicals (NCRs) has plentiful applications in organic synthesis, and they continue to expand as our understanding of these reactive species increases. The utility of these reactive intermediates is demonstrated in the recent advances in C-H amination and the (di)amination of alkenes. Synthesis of previously challenging structures can be achieved by efficient functionalization of sp2 moieties without prefunctionalization, allowing for faster and more streamlined synthesis. This Review addresses the generation, reactivity, and application of NCRs, including, but not limited to, iminyl, aminyl, amidyl, and aminium species. Contributions from early discovery up to the most recent examples have been highlighted, covering radical initiation, thermolysis, photolysis, and, more recently, photoredox catalysis. Radical-mediated intermolecular amination of (hetero)arenes can occur with a variety of complex amine precursors, generating aniline derivatives, an important class of structures for drug discovery and development. Functionalization of olefins is achievable in high anti-Markovnikov regioselectivity and allows access to difunctionalized structures when the intermediate carbon radicals are trapped. Additionally, the reactivity of NCRs can be harnessed for the rapid construction of N-heterocycles such as pyrrolidines, phenanthridines, quinoxalines, and quinazolinones.
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Affiliation(s)
- Cassie Pratley
- Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, United Kingdom.,GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Herts SG1 2NY, United Kingdom
| | - Sabine Fenner
- GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Herts SG1 2NY, United Kingdom
| | - John A Murphy
- Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, United Kingdom
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11
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Kremsmair A, Wilke HR, Simon MM, Schmidt Q, Karaghiosoff K, Knochel P. General stereoretentive preparation of chiral secondary mixed alkylmagnesium reagents and their use for enantioselective electrophilic aminations. Chem Sci 2021; 13:44-49. [PMID: 35059149 PMCID: PMC8694387 DOI: 10.1039/d1sc05315a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 10/18/2021] [Indexed: 12/17/2022] Open
Abstract
A general preparation of enantiomerically and diastereomerically enriched secondary alkylmagnesium reagents was reported as well as their use for performing highly stereoselective transition-metal free electrophilic aminations leading to α-chiral amines in up to 97% ee. Thus, the reaction of t-BuLi (2.2 equiv.) with a mixture of chiral secondary alkyl iodides and the commercially available magnesium reagent Me3SiCH2MgCl in a 2 : 1 mixture of pentane and diethyl ether at up to -50 °C provided optically enriched secondary mixed alkylmagnesium species of the type alkyl(Me)CHMgCH2SiMe3 with high retention of configuration (up to 99% ee). The resulting enantiomerically enriched dialkylmagnesium reagents were trapped with electrophiles such as non-enolizable ketones, aldehydes, acid chlorides, isocyanates, chlorophosphines and O-benzoyl hydroxylamines providing α-chiral tertiary alcohols, ketones, amides, phosphines and tertiary amines in up to 89% yield (over three reaction steps) and up to 99% ee.
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Affiliation(s)
- Alexander Kremsmair
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
| | - Henrik R Wilke
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
| | - Matthias M Simon
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
| | - Quirin Schmidt
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
| | - Konstantin Karaghiosoff
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
| | - Paul Knochel
- Department of Chemistry, Ludwig-Maximilians-Universität München Butenandtstraße 5-13 81377 München Germany
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12
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Kirsch JK, Gonzalez GA, Faculak MS, Wolfe JP. Pd-Catalyzed Alkene Diamination Reactions with O-Benzoylhydroxylamine Electrophiles: Evidence Supporting a Pd(II/IV) Catalytic Cycle, the Role of 2,4-Pentanedione Derivatives as Ligands, and Expanded Substrate Scope. J Org Chem 2021; 86:11378-11387. [PMID: 34344155 DOI: 10.1021/acs.joc.1c00877] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This article describes continued studies on Pd-catalyzed alkene diamination reactions between N-allylguanidines or ureas and O-benzoylhydroxylamine derivatives, which serve as N-centered electrophiles. The transformations generate cyclic guanidines and ureas bearing dialkylaminomethyl groups in moderate to good yield. We describe new mechanistic experiments that have led to a revised mechanistic hypothesis that involves a key oxidative addition of the electrophile to a PdII complex, followed by reductive elimination from PdIV to form the alkyl carbon-nitrogen bond. In addition, we demonstrate that acac, not phosphine, serves as a key ligand for palladium. Moreover, simple acac derivatives bearing substituted aryl groups outperform acac in the catalytic reactions, and phosphines inhibit catalysis in many cases. These discoveries have led to a significant expansion in the scope of this chemistry, which now allows for the coupling of a variety of cyclic amines, acyclic secondary amines, and primary amines. In addition, we also demonstrate that these new conditions allow for the use of amide nucleophiles, in addition to guanidines and ureas.
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Affiliation(s)
- Janelle K Kirsch
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Gabriel A Gonzalez
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Mason S Faculak
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - John P Wolfe
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, United States
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13
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14
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Chen J, Zhu YP, Li JH, Wang QA. External-oxidant-free amino-benzoyloxylation of unactivated alkenes of unsaturated ketoximes with O-benzoylhydroxylamines. Chem Commun (Camb) 2021; 57:5215-5218. [PMID: 33908971 DOI: 10.1039/d1cc01565f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A new copper-catalyzed two-component amino-benzoyloxylation of unactivated alkenes of unsaturated ketoximes with O-benzoylhydroxylamines as the benzoyloxy sources is developed. Chemoselectivity of this method toward amino-benzoyloxylation or oxy-benzoyloxylation of alkenyl ketoximes relies on the position of the tethered olefins, and provides an external-oxidant-free alkene difunctionalization route that directly utilizes O-benzoylhydroxylamines as the benzoyloxy radical precursors and internal oxidants for the divergent synthesis of cyclic nitrones and isoxazolines.
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Affiliation(s)
- Jiangfei Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China.
| | - Yan-Ping Zhu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Shandong, Yantai, 264005, China.
| | - Jin-Heng Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China. and School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Shandong, Yantai, 264005, China. and Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Qiu-An Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China.
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15
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Yang D, Huang H, Zhang H, Yin LM, Song MP, Niu JL. Regioselective Intermolecular Hydroamination of Unactivated Alkenes: “Co–H” Enabled Remote Functionalization. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00625] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Dandan Yang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Hai Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - He Zhang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Li-Ming Yin
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Mao-Ping Song
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jun-Long Niu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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16
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Li Y, Ali A, Dong J, Zhang Y, Shi L, Liu Q, Fu J. Copper-Catalyzed Diamination of Unactivated Alkenes With Electron-Rich Amino Sources. Org Lett 2021; 23:4072-4077. [PMID: 33970646 DOI: 10.1021/acs.orglett.1c01313] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The catalytic intermolecular diamination of unactivated alkenes with electron-rich amino sources is a challenge. Herein, by employing a directing-group strategy, a copper-catalyzed diamination of unactivated alkenes was realized. Symmetrical diamines were efficiently produced in a highly diastereoselective manner with readily available dialkylamines as amino sources, while a one-pot and two-step operation was necessary to produce the unsymmetrical diamines. These reactions were proposed to proceed through aziridinium intermediates.
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Affiliation(s)
- Yang Li
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Arshad Ali
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Junchao Dong
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yu Zhang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Lili Shi
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
| | - Qun Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Junkai Fu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China.,State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
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17
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Cao J, Lv D, Yu F, Chiou MF, Li Y, Bao H. Regioselective Three-Component Synthesis of Vicinal Diamines via 1,2-Diamination of Styrenes. Org Lett 2021; 23:3184-3189. [PMID: 33792337 DOI: 10.1021/acs.orglett.1c00898] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The vicinal diamine motif plays a significant role in natural products, drug design, and organic synthesis, and development of synthetic methods for the synthesis of diamines is a long-standing interest. Herein, we report a regioselective intermolecular three-component vicinal diamination of styrenes with acetonitrile and azodicarboxylates. The diamination products can be produced in moderate to excellent yields via the Ritter reaction. Synthetic applications and theoretical studies of this reaction have been conducted.
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Affiliation(s)
- Jie Cao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, Fujian 350108, P. R. China.,Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
| | - Daqi Lv
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, Fujian 350108, P. R. China.,Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
| | - Fei Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
| | - Mong-Feng Chiou
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
| | - Yajun Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
| | - Hongli Bao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
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18
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Wu Z, Hu M, Li J, Wu W, Jiang H. Recent advances in aminative difunctionalization of alkenes. Org Biomol Chem 2021; 19:3036-3054. [PMID: 33734255 DOI: 10.1039/d0ob02446e] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Alkenes are versatile building blocks in modern organic synthesis. In the difunctionalization reactions of alkenes, two functional groups can be simultaneously introduced into the π system. This is an efficient strategy for the synthesis of multifunctional compounds with complex structures and has the advantages of atom and step economy. Nitrogen-containing organic compounds are widely found in natural products and synthetic compounds, such as dyes, pesticides, medicines, artificial resins, and so on. Many natural products with high biological activity and a broad range of drugs have nitrogen-containing functional groups. The research on the construction methods of C-N bonds has always been one of the most important tasks in organic synthesis, especially in drug synthesis, and the synthetic methods starting from simple and easily available raw materials have been a topic of interest to chemists. The aminative difunctionalization of alkenes can efficiently construct C-N bonds, and at the same time, prepare some compounds that usually require multiple steps of reaction. It is one of the most effective strategies for the simple and efficient synthesis of functionalized nitrogen-containing compounds. This review outlines the major developments focusing on the transition metal-catalyzed or metal-free diamination, aminohalogenation, aminocarbonation, amino-oxidation and aminoboronation reactions of alkenes from 2015-2020.
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Affiliation(s)
- Ziying Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
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19
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Chen X, Xiao F, He WM. Recent developments in the difunctionalization of alkenes with C–N bond formation. Org Chem Front 2021. [DOI: 10.1039/d1qo00375e] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Various alkene difunctionalization reactions involving nitridization, diamination, azidation, oxyamination, carboamination, aminohalogenation, and nitration are introduced in this review.
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Affiliation(s)
- Xiang Chen
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, 421001, China
| | - Fang Xiao
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Wei-Min He
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, 421001, China
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20
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Zhang Y, Lu J, Lan T, Cheng S, Liu W, Chen C. Preparation, Characterization, and Reactivity of Aliphatic Amino Iodane(III) Reagents. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001373] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yue Zhang
- College of Science & Material Science & Chemical Engineering Institute Tianjin University of Science and Technology Tianjin 300457 P. R. China
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education, MOE), Department of Chemistry. Tsinghua University Beijing 100084 China
| | - Jing Lu
- College of Science & Material Science & Chemical Engineering Institute Tianjin University of Science and Technology Tianjin 300457 P. R. China
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education, MOE), Department of Chemistry. Tsinghua University Beijing 100084 China
| | - Tianlei Lan
- College of Science & Material Science & Chemical Engineering Institute Tianjin University of Science and Technology Tianjin 300457 P. R. China
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education, MOE), Department of Chemistry. Tsinghua University Beijing 100084 China
| | - Shaoling Cheng
- College of Science & Material Science & Chemical Engineering Institute Tianjin University of Science and Technology Tianjin 300457 P. R. China
| | - Wei Liu
- College of Science & Material Science & Chemical Engineering Institute Tianjin University of Science and Technology Tianjin 300457 P. R. China
| | - Chao Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education, MOE), Department of Chemistry. Tsinghua University Beijing 100084 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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21
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Subramanian P, Kaliappan KP. A One‐Pot Copper‐Catalyzed 3‐Fold C–N Bond Coupling Strategy to the Synthesis of Substituted Benzimidazoles. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000428] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | - Krishna P. Kaliappan
- Department of Chemistry Indian Institute of Technology Bombay 400076 Powai Mumbai India
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22
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Vicinal difunctionalization of carbon-carbon double bond for the platform synthesis of trifluoroalkyl amines. Nat Commun 2020; 11:5924. [PMID: 33230122 PMCID: PMC7683743 DOI: 10.1038/s41467-020-19748-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 10/27/2020] [Indexed: 02/06/2023] Open
Abstract
Regioselective vicinal diamination of carbon-carbon double bonds with two different amines is a synthetic challenge under transition metal-free conditions, especially for the synthesis of trifluoromethylated amines. However, the synthesis of ethylene diamines and fluorinated amine compounds is demanded, especially in the pharmaceutical sector. Herein, we demonstrate that the controllable double nucleophilic functionalization of an activated alkene synthon, originated from a trifluoropropenyliodonium salt with two distinct nucleophiles, enables the selective synthesis of trifluoromethylated ethylene amines and diamines on broad scale with high efficiency under mild reaction conditions. Considering the chemical nature of the reactants, our synthetic approach brings forth an efficient methodology and provides versatile access to highly fluorinated amines.
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23
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Zhang W, Wang C, Wang Q. Copper-Catalyzed Decarboxylative Functionalization of Conjugated β,γ-Unsaturated Carboxylic Acids. ACS Catal 2020; 10:13179-13185. [PMID: 34367721 PMCID: PMC8346209 DOI: 10.1021/acscatal.0c03621] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Copper-catalyzed decarboxylative coupling reactions of conjugated β,γ-unsaturated carboxylic acids have been achieved for allylic amination, alkylation, sulfonylation, and phosphinoylation. This approach was effective for a broad scope of amino, alkyl, sulfonyl, and phosphinoyl radical precursors as well as various conjugated β,γ-unsaturated carboxylic acids. These reactions also feature high regioselectivity, good functional group tolerance, and simple operation procedure. Mechanistic studies show that the reaction proceeds via copper-catalyzed electrophilic addition onto an olefin followed by decarboxylation, with radical intermediates involved. These insights present a modular and powerful strategy to access versatilely functionalized allyl-containing skeletons from readily available and stable carboxylic acids.
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Affiliation(s)
- Wei Zhang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Chengming Wang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Qiu Wang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
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24
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Govaerts S, Angelini L, Hampton C, Malet‐Sanz L, Ruffoni A, Leonori D. Photoinduced Olefin Diamination with Alkylamines. Angew Chem Int Ed Engl 2020; 59:15021-15028. [PMID: 32432808 PMCID: PMC7497254 DOI: 10.1002/anie.202005652] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/19/2020] [Indexed: 11/07/2022]
Abstract
Vicinal diamines are ubiquitous materials in organic and medicinal chemistry. The direct coupling of olefins and amines would be an ideal approach to construct these motifs. However, alkene diamination remains a long-standing challenge in organic synthesis, especially when using two different amine components. We report a general strategy for the direct and selective assembly of vicinal 1,2-diamines using readily available olefin and amine building blocks. This mild and straightforward approach involves in situ formation and photoinduced activation of N-chloroamines to give aminium radicals that enable efficient alkene aminochlorination. Owing to the ambiphilic nature of the β-chloroamines produced, conversion into tetra-alkyl aziridinium ions was possible, thus enabling diamination by regioselective ring-opening with primary or secondary amines. This strategy streamlines the preparation of vicinal diamines from multistep sequences to a single chemical transformation.
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Affiliation(s)
- Sebastian Govaerts
- Department of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Lucrezia Angelini
- Department of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Charlotte Hampton
- Department of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Laia Malet‐Sanz
- Eli Lilly and Company LimitedErl Wood ManorWindleshamSurreyGU20 6PHUK
| | - Alessandro Ruffoni
- Department of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
| | - Daniele Leonori
- Department of ChemistryUniversity of ManchesterOxford RoadManchesterM13 9PLUK
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25
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Hu K, Zhang Y, Zhou Z, Yang Y, Zha Z, Wang Z. Iodine-Mediated Electrochemical C(sp2)–H Amination: Switchable Synthesis of Indolines and Indoles. Org Lett 2020; 22:5773-5777. [DOI: 10.1021/acs.orglett.0c01821] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Kangfei Hu
- University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
| | - Yan Zhang
- University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
| | - Zhenghong Zhou
- University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
| | - Yu Yang
- University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
| | - Zhenggen Zha
- University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Science at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Science, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China
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26
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Li S, Chen Q, Li W, Gu G, Zhang J. Visible Light Driven Copper(I) Catalyzed Oxyamination of Electron Deficient Alkenes
†. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000105] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sanliang Li
- Department of Chemistry, Fudan University 2005 Songhu Road Shanghai 200438 China
| | - Qiaoyu Chen
- Department of Chemistry, Fudan University 2005 Songhu Road Shanghai 200438 China
| | - Wenbo Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 China
| | - Guangxin Gu
- Department of Material Science, Fudan University 2005 Songhu Road Shanghai 200438 China
| | - Junliang Zhang
- Department of Chemistry, Fudan University 2005 Songhu Road Shanghai 200438 China
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27
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Govaerts S, Angelini L, Hampton C, Malet‐Sanz L, Ruffoni A, Leonori D. Photoinduced Olefin Diamination with Alkylamines. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005652] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sebastian Govaerts
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Lucrezia Angelini
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Charlotte Hampton
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Laia Malet‐Sanz
- Eli Lilly and Company Limited Erl Wood Manor Windlesham Surrey GU20 6PH UK
| | - Alessandro Ruffoni
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Daniele Leonori
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
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28
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Xiao H, Meng W, Xu XH, Huang Y. Trifluoromethylthiolation and trifluoromethanesulfonylation of β,γ-unsaturated hydrazones. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Rao WH, Jiang LL, Chen FY, Zhang M, Guo YY, Chen JJ, Cui Y, Zou GD, Tang L. Access to functionalized pyrrolidones via copper-catalyzed aminooxygenation of unactivated alkenes. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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30
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Peilleron L, Cariou K. Synthetic approaches towards avibactam and other diazabicyclooctane β-lactamase inhibitors. Org Biomol Chem 2020; 18:830-844. [DOI: 10.1039/c9ob02605c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthetic strategies to obtain avibactam and other diazabicyclooctane β-lactamase inhibitors such as ETX2514 are presented.
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Affiliation(s)
- Laure Peilleron
- Université Paris-Saclay
- CNRS
- Institut de Chimie des Substances Naturelles
- Gif-sur-Yvette
- France
| | - Kevin Cariou
- Université Paris-Saclay
- CNRS
- Institut de Chimie des Substances Naturelles
- Gif-sur-Yvette
- France
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31
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Liu Z, Wang P, Ou H, Yan Z, Chen S, Tan X, Yu D, Zhao X, Mu T. Preparation of cyclic imides from alkene-tethered amides: application of homogeneous Cu( ii) catalytic systems. RSC Adv 2020; 10:7698-7707. [PMID: 35492186 PMCID: PMC9049870 DOI: 10.1039/c9ra10422d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/05/2020] [Indexed: 01/03/2023] Open
Abstract
A Cu-based homogeneous catalytic system was proposed for the preparation of imides from alkene-tethered amides. Here, O2 acted as a terminal oxidant and a cheap and easily available oxygen source. The cleavage of C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bonds and the formation of C–N bonds were catalyzed by Cu(ii) salts with proper nitrogen-containing ligands under 100 °C. The synthesis approach has potential applications in pharmaceutical syntheses. Moreover, scaled-up experiments confirmed the practical applicability. A catalytic system comprising Cu(ii) and a nitrogen-based ligand for the oxygenation and cyclization of alkene-tethered amides.![]()
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Affiliation(s)
- Zhenghui Liu
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Taizhou 318000
- China
| | - Peng Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Hualin Ou
- Beijing National Laboratory for Molecular Sciences
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Zhenzhong Yan
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Taizhou 318000
- China
| | - Suqing Chen
- School of Pharmaceutical and Materials Engineering
- Taizhou University
- Taizhou 318000
- China
| | - Xingxing Tan
- Beijing National Laboratory for Molecular Sciences
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Dongkun Yu
- Department of Chemistry
- Renmin University of China
- Beijing 100872
- China
| | - Xinhui Zhao
- Department of Chemistry
- Renmin University of China
- Beijing 100872
- China
| | - Tiancheng Mu
- Department of Chemistry
- Renmin University of China
- Beijing 100872
- China
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32
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Liu L, Si M, Han S, Zhang Y, Li J. Copper-catalyzed regioselective sulfonylcyanations of vinylarenes. Org Chem Front 2020. [DOI: 10.1039/d0qo00415d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A set of copper-catalyzed sulfonylcyanations of vinylarenes with readily accessible arylsulfonyl chlorides and trimethyl cyanide was achieved, providing a streamlined route to various decorated β-sulfonyl nitriles with good regioselectivity and functional group tolerance.
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Affiliation(s)
- Lei Liu
- School of Pharmaceutical Sciences
- Jiangnan University. Lihu Avenue 1800
- Wuxi 214122
- China
| | - Mingran Si
- School of Pharmaceutical Sciences
- Jiangnan University. Lihu Avenue 1800
- Wuxi 214122
- China
| | - Shengnan Han
- School of Pharmaceutical Sciences
- Jiangnan University. Lihu Avenue 1800
- Wuxi 214122
- China
| | - Yan Zhang
- School of Pharmaceutical Sciences
- Jiangnan University. Lihu Avenue 1800
- Wuxi 214122
- China
| | - Jie Li
- School of Pharmaceutical Sciences
- Jiangnan University. Lihu Avenue 1800
- Wuxi 214122
- China
- Key Laboratory of Organic Synthesis of Jiangsu Province
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33
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Wang J, Zheng G, Li X. Rhodium( iii)-catalyzed diamidation of olefins via amidorhodation and further amidation. Chem Commun (Camb) 2020; 56:7809-7812. [DOI: 10.1039/d0cc00952k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Rh(iii)/Co(iii)-catalyzed diamidation of amide-tethered olefins has been realized using dioxazolones and arylsulfonamides as different classes of amidating reagents.
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Affiliation(s)
- Jinlei Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
- China
| | - Guangfan Zheng
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
- China
| | - Xingwei Li
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
- China
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34
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Li Y, Liang Y, Dong J, Deng Y, Zhao C, Su Z, Guan W, Bi X, Liu Q, Fu J. Directed Copper-Catalyzed Intermolecular Aminative Difunctionalization of Unactivated Alkenes. J Am Chem Soc 2019; 141:18475-18485. [DOI: 10.1021/jacs.9b07607] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | - Junkai Fu
- Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
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35
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Peilleron L, Retailleau P, Cariou K. Synthesis of Cyclic
N
‐Hydroxylated Ureas and Oxazolidinone Oximes Enabled by Chemoselective Iodine(III)‐Mediated Radical or Cationic Cyclizations of Unsaturated
N
‐Alkoxyureas. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901135] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Laure Peilleron
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Institut de Chimie des Substances Naturelles CNRS UPR 2301, Université Paris-SudUniversité Paris-Saclay Avenue de la Terrasse 91198 Gif-sur-Yvette France
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36
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Liu R, Li M, Xie W, Zhou H, Zhang Y, Qiu G. Tunable Synthesis of 3-Hydroxylisoquinolin-1,4-dione and Isoquinolin-1-one Enabled by Copper-Catalyzed Radical 6-endo Aza-cyclization of 2-Alkynylbenzamide. J Org Chem 2019; 84:11763-11773. [DOI: 10.1021/acs.joc.9b01643] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Renzhi Liu
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Meng Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Wenlin Xie
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Hongwei Zhou
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Yajing Zhang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
| | - Guanyinsheng Qiu
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, Zhejiang, China
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37
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Li J, Wei J, Zhu B, Wang T, Jiao N. Cu-catalyzed oxygenation of alkene-tethered amides with O 2 via unactivated C[double bond, length as m-dash]C bond cleavage: a direct approach to cyclic imides. Chem Sci 2019; 10:9099-9103. [PMID: 31827752 PMCID: PMC6889834 DOI: 10.1039/c9sc03175h] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/04/2019] [Indexed: 12/15/2022] Open
Abstract
An efficient aerobic unactivated C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bond cleavage process was achieved, in which the succinimide or glutarimide derivatives could be prepared directly from alkenyl amides.
The transformations of unactivated alkenes through C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bond double cleavage are always attractive but very challenging. We report herein a chemoselective approach to valuable cyclic imides by a novel Cu-catalyzed geminal amino-oxygenation of unactivated C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bonds. O2 was successfully employed as the oxidant as well as the O-source and was incorporated into alkenyl amides via C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bond cleavage for the efficient preparation of succinimide or glutarimide derivatives. Moreover, the present strategy under simple conditions can be used in the late-stage modification of biologically active compounds and the synthesis of pharmaceuticals, which demonstrated the potential application.
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Affiliation(s)
- Junhua Li
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Road 38 , Beijing 100191 , China .
| | - Jialiang Wei
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Road 38 , Beijing 100191 , China .
| | - Bencong Zhu
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Road 38 , Beijing 100191 , China .
| | - Teng Wang
- School of Chemistry , Beihang University , Xue Yuan Road 37 , Beijing , 100191 , China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Road 38 , Beijing 100191 , China . .,State Key Laboratory of Organometallic Chemistry , Chinese Academy of Sciences , Shanghai 200032 , China
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Abstract
At the advent of cross-coupling chemistry, carbon electrophiles based on halides or pseudohalides were the only suitable electrophilic coupling partners. Almost two decades passed before the first cross-coupling reaction of heteroatom-based electrophiles was reported. Early work by Murai and Tanaka initiated investigations into silicon electrophiles. Narasaka and Johnson pioneered the way in the use of nitrogen electrophiles, while Suginome began the exploration of boron electrophiles. The chemistry reviewed within provides perspective on the use of heteroatomic electrophiles, specifically silicon-, nitrogen-, boron-, oxygen-, and phosphorus-based electrophiles in transition-metal catalyzed cross-coupling. For the purposes of this review, a loose definition of cross-coupling is utilized; all reactions minimally proceed via an oxidative addition event. Although not cross-coupling in a traditional sense, we have also included catalyzed reactions that join a heteroatomic electrophile with an in situ generated nucleophile. However, for brevity, those involving hydroamination or C-H activation as a key step are largely excluded. This work includes primary references published up to and including October 2018.
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Affiliation(s)
- Katerina M Korch
- Department of Chemistry and Biochemistry , University of Delaware Newark , Delaware 19716 , United States
| | - Donald A Watson
- Department of Chemistry and Biochemistry , University of Delaware Newark , Delaware 19716 , United States
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39
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Wang L, Wang C. Copper-Catalyzed Diamination of Oxime Ester-Tethered Unactivated Alkenes with Unprotected Amines. J Org Chem 2019; 84:6547-6556. [DOI: 10.1021/acs.joc.9b00936] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lin Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 20237, P. R. China
| | - Chuan Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 20237, P. R. China
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40
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Yu L, Somfai P. Regio‐ and Enantioselective Formal Hydroamination of Enamines for the Synthesis of 1,2‐Diamines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lu Yu
- Centre for Analysis and SynthesisDepartment of ChemistryLund University 22100 Lund Sweden
| | - Peter Somfai
- Centre for Analysis and SynthesisDepartment of ChemistryLund University 22100 Lund Sweden
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41
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Yu L, Somfai P. Regio- and Enantioselective Formal Hydroamination of Enamines for the Synthesis of 1,2-Diamines. Angew Chem Int Ed Engl 2019; 58:8551-8555. [PMID: 30990943 DOI: 10.1002/anie.201902642] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/16/2019] [Indexed: 01/02/2023]
Abstract
The asymmetric formal hydroamination of enamines using a CuH catalyst is reported. The method provides a straightforward and efficient approach to the synthesis of chiral 1,2-dialkyl amines in good yields with high levels of enantioselectivities for a broad range of substrates, and should have significant value for the preparation of molecules bearing a 1,2-diamine motif.
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Affiliation(s)
- Lu Yu
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, 22100, Lund, Sweden
| | - Peter Somfai
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, 22100, Lund, Sweden
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42
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Rao WH, Jiang LL, Liu XM, Chen MJ, Chen FY, Jiang X, Zhao JX, Zou GD, Zhou YQ, Tang L. Copper(II)-Catalyzed Alkene Aminosulfonylation with Sodium Sulfinates For the Synthesis of Sulfonylated Pyrrolidones. Org Lett 2019; 21:2890-2893. [PMID: 30958680 DOI: 10.1021/acs.orglett.9b00907] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A copper-catalyzed direct aminosulfonylation of unactivated alkenes with sodium sulfinates for the efficient synthesis of sulfonylated pyrrolidones is described. This reaction features good functional group tolerance and wide substrate scope, providing an efficient and straightforward protocol to access this kind of pyrrolidones. Moreover, preliminary mechanistic investigations disclosed that a free-radical pathway might be invovled in the process.
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Affiliation(s)
- Wei-Hao Rao
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China.,Henan Key Laboratory of Utilization of Non-Metallic Mineral in the South of Henan , Xinyang Normal University , Xinyang 464000 , China
| | - Li-Li Jiang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Xiao-Meng Liu
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Mei-Jun Chen
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Fang-Yuan Chen
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Xin Jiang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Jin-Xiao Zhao
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Guo-Dong Zou
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Yu-Qiang Zhou
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Lin Tang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
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43
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Wang LJ, Chen JM, Dong W, Hou CY, Pang M, Jin WB, Dong FG, Xu ZD, Li W. Synthesis of Sulfonylated Lactams by Copper-Mediated Aminosulfonylation of 2-Vinylbenzamides with Sodium Sulfinates. J Org Chem 2019; 84:2330-2338. [PMID: 30665305 DOI: 10.1021/acs.joc.8b03002] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Treatment of 2-vinylbenzamide derivatives with sulfinate sodium in the presence of Cu(NO3)2·3H2O led to an intra/intermolecular aminosulfonylation reaction to produce sulfonylated lactams in moderate to good yields. The developed method features the easily available and stable sulfone reagents, ease of operation, and a broad functional group tolerance.
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Affiliation(s)
- Li-Jing Wang
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Jia-Min Chen
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Wei Dong
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Cong-Ying Hou
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Mingming Pang
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Wen-Bo Jin
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Fu-Gui Dong
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
| | - Zhi-Dong Xu
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China.,School of Chemical and Pharmaceutical Engineering , Hebei University of Science & Technology , Shijiazhuang 050018 , P. R. China
| | - Wei Li
- College of Chemistry & Environmental Science , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China.,Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province , Hebei University , 180 Wusi Donglu , Baoding 071002 , P. R. China
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44
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Hemric BN, Chen AW, Wang Q. Copper-Catalyzed Modular Amino Oxygenation of Alkenes: Access to Diverse 1,2-Amino Oxygen-Containing Skeletons. J Org Chem 2019; 84:1468-1488. [PMID: 30588808 DOI: 10.1021/acs.joc.8b02885] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Copper-catalyzed alkene amino oxygenation reactions using O-acylhydroxylamines have been achieved for a rapid and modular access to diverse 1,2-amino oxygen-containing molecules. This transformation is applicable to the use of alcohols, carbonyls, oximes, and thio-carboxylic acids as nucleophiles on both terminal and internal alkenes. Mild reaction conditions tolerate a wide range of functional groups, including ether, ester, amide, carbamate, and halide. The reaction protocol allows for starting with free amines as the precursor of O-benzoylhydroxylamines to eliminate their isolation and purification, contributing to broader synthetic utilities. Mechanistic investigations reveal the amino oxygenation reactions may involve distinct pathways, depending on different oxygen nucleophiles.
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Affiliation(s)
- Brett N Hemric
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Andy W Chen
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Qiu Wang
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
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45
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Trammell R, Rajabimoghadam K, Garcia-Bosch I. Copper-Promoted Functionalization of Organic Molecules: from Biologically Relevant Cu/O 2 Model Systems to Organometallic Transformations. Chem Rev 2019; 119:2954-3031. [PMID: 30698952 DOI: 10.1021/acs.chemrev.8b00368] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Copper is one of the most abundant and less toxic transition metals. Nature takes advantage of the bioavailability and rich redox chemistry of Cu to carry out oxygenase and oxidase organic transformations using O2 (or H2O2) as oxidant. Inspired by the reactivity of these Cu-dependent metalloenzymes, chemists have developed synthetic protocols to functionalize organic molecules under enviormentally benign conditions. Copper also promotes other transformations usually catalyzed by 4d and 5d transition metals (Pd, Pt, Rh, etc.) such as nitrene insertions or C-C and C-heteroatom coupling reactions. In this review, we summarized the most relevant research in which copper promotes or catalyzes the functionalization of organic molecules, including biological catalysis, bioinspired model systems, and organometallic reactivity. The reaction mechanisms by which these processes take place are discussed in detail.
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Affiliation(s)
- Rachel Trammell
- Department of Chemistry , Southern Methodist University , Dallas , Texas 75275 , United States
| | | | - Isaac Garcia-Bosch
- Department of Chemistry , Southern Methodist University , Dallas , Texas 75275 , United States
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46
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Wang Z, Han MY, Li P, Wang L. Copper-Catalyzed Deoxygenative C-2 Amination of Quinoline N
-Oxides. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800963] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Zhihui Wang
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Man-Yi Han
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Pinhua Li
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Lei Wang
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 200032 Shanghai P. R. China
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47
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Xiong Y, Sun Y, Zhang G. Copper-Catalyzed Synthesis of β-Azido Sulfonates or Fluorinated Alkanes: Divergent Reactivity of Sodium Sulfinates. Org Lett 2018; 20:6250-6254. [DOI: 10.1021/acs.orglett.8b02735] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yang Xiong
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Youwen Sun
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Guozhu Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
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48
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Abrams R, Lefebvre Q, Clayden J. Transition Metal Free Cycloamination of Prenyl Carbamates and Ureas Promoted by Aryldiazonium Salts. Angew Chem Int Ed Engl 2018; 57:13587-13591. [DOI: 10.1002/anie.201809323] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Roman Abrams
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
| | - Quentin Lefebvre
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
| | - Jonathan Clayden
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
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49
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Abrams R, Lefebvre Q, Clayden J. Transition Metal Free Cycloamination of Prenyl Carbamates and Ureas Promoted by Aryldiazonium Salts. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809323] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Roman Abrams
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
| | - Quentin Lefebvre
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
| | - Jonathan Clayden
- School of Chemistry; University of Bristol; Cantock's Close Bristol BS8 1TS UK
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50
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Xu F, Shuler SA, Watson DA. Synthesis of N-H Bearing Imidazolidinones and Dihydroimidazolones Using Aza-Heck Cyclizations. Angew Chem Int Ed Engl 2018; 57:12081-12085. [PMID: 30125443 PMCID: PMC6141047 DOI: 10.1002/anie.201806295] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Indexed: 12/12/2022]
Abstract
The synthesis of unsaturated, unprotected imidazolidinones via an aza-Heck reaction is described. This palladium-catalyzed process allows for the cyclization of N-phenoxy ureas onto pendant alkenes. The reaction has broad functional group tolerance, can be applied to complex ring topologies, and can be used to directly prepare mono- and bis-unprotected imidazolidinones. By addition of Bu4 NI, dihydroimidazolones can be accessed from the same starting materials. Improved conditions for preparing unsaturated, unprotected lactams are also reported.
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Affiliation(s)
- Feiyang Xu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (USA)
| | - Scott A. Shuler
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (USA)
| | - Donald A. Watson
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (USA)
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