1
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Prusty P, Jeganmohan M. Cobalt-catalyzed three-component assembly of aromatic oximes with substituted dienes and formaldehyde. Chem Commun (Camb) 2024. [PMID: 39229705 DOI: 10.1039/d4cc03877k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
A cobalt-catalyzed three-component assembly of substituted aryl oximes with dienes and formaldehyde via C-H bond activation is described. This protocol affords highly regio- and chemoselective substituted homoallylic alcohols with moderate-to-excellent yields. The scope of this protocol has been extensively explored with various substituted aryl ketoximes and aldoximes. Butadiene and internally substituted dienes are also well compatible for this transformation. A plausible reaction mechanism is proposed to account for the present reaction and is supported by deuterium labeling studies.
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Affiliation(s)
- Priyambada Prusty
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
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2
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Wang J, Xu B, Wang Y, Xia G, Zhang ZM, Zhang J. Pd-Catalyzed Enantioselective Three-Component Carboamination of 1,3-Cyclohexadiene. J Am Chem Soc 2024; 146:21231-21238. [PMID: 39074300 DOI: 10.1021/jacs.4c07382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2024]
Abstract
Asymmetric Pd-catalyzed three-component carboamination reactions of dienes to construct chiral cyclohexenylamines, which are of great importance in many fields of chemistry, have remained largely unexplored. Here, we demonstrate a highly enantio- and regioselective Pd/Ming-Phos-catalyzed carboamination reactions of 1,3-cyclohexadiene with readily available aryl iodides and anilines for facile access to diverse valuable chiral cyclohexenylamines. The process shows excellent functional group tolerance, easy scalability, and mild conditions. Moreover, mechanistic studies suggest that this reaction has a first-order dependence on the concentration of the palladium catalyst and aniline.
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Affiliation(s)
- Jinrong Wang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P.R.China
| | - Bing Xu
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P.R.China
- Zhuhai Fudan Innovation Institute, Zhuhai, Guangdong 519000, P.R.China
| | - Yibo Wang
- College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, Changchun, Jilin 130012, P. R. China
| | - Guangzhen Xia
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Soochow University, Suzhou, Jiangsu 215123, P.R.China
| | - Zhan-Ming Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P.R.China
- Fudan Zhangjiang Institute, Shanghai, 201203, P.R.China
| | - Junliang Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P.R.China
- Zhuhai Fudan Innovation Institute, Zhuhai, Guangdong 519000, P.R.China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P.R.China
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3
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Chen WL, Song JL, Fang S, Li JB, Zhang SS, Shu B. Rh(III)-catalyzed C(sp 2)-H functionalization/[4+2] annulation of oxadiazolones with iodonium ylides to access diverse fused-isoquinolines and fused-pyridines. Chem Commun (Camb) 2024; 60:6560-6563. [PMID: 38845542 DOI: 10.1039/d4cc02046d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
In this study, a Rh(III)-catalyzed C-H/N-H [4+2] annulation of oxadiazolones with iodonium ylides has been developed, which afforded a series of diverse fused-isoquinolines and fused-pyridines in moderate to high yields. These divergent synthesis protocols featured mild conditions, broad substrate scope, and functional-group compatibility. In addition, scale-up synthesis, related applications and preliminary mechanistic explorations were also accomplished.
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Affiliation(s)
- Wang-Liang Chen
- School of Pharmacy, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Jia-Lin Song
- School of Pharmacy, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Sheng Fang
- School of Pharmacy, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Jiong-Bang Li
- School of Pharmacy, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Bing Shu
- School of Pharmacy, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
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4
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Canfield AM, Rodina D, Paradine SM. Dienes as Versatile Substrates for Transition Metal-Catalyzed Reactions. Angew Chem Int Ed Engl 2024; 63:e202401550. [PMID: 38436553 PMCID: PMC11078299 DOI: 10.1002/anie.202401550] [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: 01/23/2024] [Revised: 03/02/2024] [Accepted: 03/04/2024] [Indexed: 03/05/2024]
Abstract
Dienes have been of great interest to synthetic chemists as valuable substrates due to their abundance and ease of synthesis. Their unique stereoelectronic properties enable broad reactivity with a wide range of transition metals to construct molecular complexity facilitating synthesis of biologically active compounds. In addition, structural diene variation can result in substrate-controlled reactions, providing valuable mechanistic insights into reactivity and selectivity patterns. The last decade has seen a wealth of new methodologies involving diene substrates through the power of transition metal catalysis. This review summarizes recent advances and remaining opportunities for transition metal-catalyzed transformations involving dienes.
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Affiliation(s)
- Amanda M. Canfield
- Department of Chemistry, University of Rochester, 120 Trustee Road, Rochester, NY 14627
| | - Dasha Rodina
- Department of Chemistry, University of Rochester, 120 Trustee Road, Rochester, NY 14627
| | - Shauna M. Paradine
- Department of Chemistry, University of Rochester, 120 Trustee Road, Rochester, NY 14627
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5
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Ruan XY, Wu DX, Li WA, Lin Z, Sayed M, Han ZY, Gong LZ. Photoinduced Pd-Catalyzed Enantioselective Carboamination of Dienes via Aliphatic C-H Bond Elaboration. J Am Chem Soc 2024; 146:12053-12062. [PMID: 38622809 DOI: 10.1021/jacs.4c01690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Three-component diene carboaminations offer a potent means to access synthetically valuable allylic amines with rapid molecular complexity escalation. The existing literature primarily discloses racemic examples, necessitating the use of halides/pseudohalides as substrates. This paper introduces a photoinduced Pd-catalyzed enantioselective three-component carboamination of aryl-substituted 1,3-dienes, leveraging aliphatic C-H bonds for rapid synthesis. The reaction employs 10 mol % of chiral palladium catalyst and an excess aryl bromide as the HAT reagent. This approach yields diverse chiral allylamines with moderate to excellent enantioselectivities. Notably, it stands as the first instance of an asymmetric three-component diene carboamination reaction, directly utilizing abundant C(sp3)-H bearing partners, such as toluene-type substrates, ethers, amines, esters, and ketones. The protocol exhibits versatility across amines, encompassing aliphatic, aromatic, primary, and secondary derivatives. This method could serve as a versatile platform for stereoselective incorporation of various nucleophiles, dienes, and C(sp3)-H bearing partners.
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Affiliation(s)
- Xiao-Yun Ruan
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Dan-Xing Wu
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Wen-Ao Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Zihan Lin
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Mostafa Sayed
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Zhi-Yong Han
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Liu-Zhu Gong
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
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6
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Jia X, Hao GL, Feng M, Jiang H, Wang SG, Huang L. Rh(III)-Catalyzed Diastereo- and Enantioselective Regiodivergent (Hetero)Arylamidation of (Homo)Allylic Sulfides. J Am Chem Soc 2024; 146:9768-9778. [PMID: 38545837 DOI: 10.1021/jacs.3c14041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
A rhodium-catalyzed 3-component conjunctive diastereo- and regioselective arylamidation of (homo)allylic sulfides, organon boronic acids, and dioxazolones is reported. These reactions deliver the 1,2-insertion and 2,1-insertion arylamidation products, respectively, for allylic sulfides and homoallylic sulfides. The enantioselective arylamidation of terminal and internal allylic sulfides is achieved, furnishing various 1,3-N,S compounds featuring one or two contiguous stereocenters in high yields and with high diastereo- and enantioselectivities. Mechanistic studies suggest a change in the turnover-limiting and selectivity-determining steps induced by the native and easily removable sulfide group.
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Affiliation(s)
- Xiaoyan Jia
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Gui-Lin Hao
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China
| | - Mengxia Feng
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Huanfeng Jiang
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Shou-Guo Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China
| | - Liangbin Huang
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
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7
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Zhuang K, Haug GC, Wang Y, Yin S, Sun H, Huang S, Trevino R, Shen K, Sun Y, Huang C, Qin B, Liu Y, Cheng M, Larionov OV, Jin S. Cobalt-Catalyzed Carbon-Heteroatom Transfer Enables Regioselective Tricomponent 1,4-Carboamination. J Am Chem Soc 2024; 146:8508-8519. [PMID: 38382542 DOI: 10.1021/jacs.3c14828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Tricomponent cobalt(salen)-catalyzed carbofunctionalization of unsaturated substrates by radical-polar crossover has the potential to streamline access to broad classes of heteroatom-functionalized synthetic targets, yet the reaction platform has remained elusive, despite the well-developed analogous hydrofunctionalizations mediated by high-valent alkylcobalt intermediates. We report herein the development of a cobalt(salen) catalytic system that enables carbofunctionalization. The reaction entails a tricomponent decarboxylative 1,4-carboamination of dienes and provides a direct route to aromatic allylic amines by obviating preformed allylation reagents and protection of oxidation-sensitive aromatic amines. The catalytic system merges acridine photocatalysis with cobalt(salen)-catalyzed regioselective 1,4-carbofunctionalization that facilitates the crossover of the radical and polar phases of the tricomponent coupling process, revealing critical roles of the reactants, as well as ligand effects and the nature of the formal high-valent alkylcobalt species on the chemo- and regioselectivity.
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Affiliation(s)
- Kaitong Zhuang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Graham C Haug
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Yangyang Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Shuyu Yin
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Huiying Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Siwen Huang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Ramon Trevino
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Kunzhi Shen
- Shenyang Photosensitive Chemical Research Institute Company Limited, 8-12 No. 6 Road, Shenyang 110141, P. R. China
| | - Yao Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Chao Huang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Bin Qin
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Yongxiang Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Maosheng Cheng
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
| | - Oleg V Larionov
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Shengfei Jin
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, P. R. China
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8
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Chen W, Yu L, Pan Y, Ni S, Wang Y. Electrochemical Nickel-Catalyzed 1,2-Diarylation of 1,3-Dienes. Org Lett 2023; 25:9225-9230. [PMID: 38113061 DOI: 10.1021/acs.orglett.3c03936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Due to the presence of carbon-carbon double bonds, 1,3-dienes exhibit great reactivity. A protocol for the site-selective diarylation of terminal 1,3-dienes is reported here. The transformation is facilitated by the Ni catalyst without the need for additional ligands, utilizing an electrochemical setup. Preliminary results indicate that by introducing chiral ligands moderate enantioselective diarylation products can be obtained. This method affords diversely substituted diarylated products that occur as structural motifs in various natural products.
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Affiliation(s)
- Wangzhe Chen
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Lei Yu
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yi Pan
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shengyang Ni
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yi Wang
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials and Technology, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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9
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Ma X, Malcolmson SJ. Palladium-Catalyzed Regiodivergent Three-Component Alkenylamination of 1,3-Dienes with Alkyl and Aryl Amines. J Am Chem Soc 2023; 145:27680-27689. [PMID: 38054457 PMCID: PMC10802114 DOI: 10.1021/jacs.3c09873] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
We report a palladium-catalyzed method for 4,3- or 4,1-selective alkenylamination of terminal dienes. Three-component couplings proceed with alkenyl triflates and several amines, giving vicinal carboamination with a Xantphos-supported catalyst and distal difunctionalization with a phosphoramidite ligand. A number of constitutionally different disubstituted dienes also participate in regiodivergent carboaminations. Experimental evidence indicates that selectivity in the Xantphos reactions is largely influenced by the substrate, whereas the phosphoramidite-promoted process is catalyst controlled, orchestrated by a key π-stacking interaction among the ligand, solvent, and substrate.
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Affiliation(s)
- Xiaoxiao Ma
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Steven J Malcolmson
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
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10
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Hwang Y, Wisniewski SR, Engle KM. Ligand-Enabled Carboamidation of Unactivated Alkenes through Enhanced Organonickel Electrophilicity. J Am Chem Soc 2023; 145:25293-25303. [PMID: 37938051 DOI: 10.1021/jacs.3c08855] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Catalytic carboamination of alkenes is a powerful synthetic tool to access valuable amine scaffolds from abundant and readily available alkenes. Although a number of synthetic approaches have been developed to achieve the rapid buildup of molecular complexity in this realm, the installation of diverse carbon and nitrogen functionalities onto unactivated alkenes remains underdeveloped. Here we present a ligand design approach to enable nickel-catalyzed three-component carboamidation that is applicable to a wide range of alkenyl amine derivatives via a tandem process involving alkyl migratory insertion and inner-sphere metal-nitrenoid transfer. With this method, various nitrogen functionalities can be installed into both internal and terminal unactivated alkenes, leading to differentially substituted diamines that would otherwise be difficult to access. Mechanistic investigations reveal that the tailored Ni(cod)(BQiPr) precatalyst modulates the electronic properties of the presumed π-alkene-nickel intermediate via the quinone ligand, leading to enhanced carbonickelation efficiency across the unactivated C═C bond. These findings establish nickel's ability to catalyze multicomponent carboamidation with a high efficiency and exquisite selectivity.
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Affiliation(s)
- Yeongyu Hwang
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Steven R Wisniewski
- Chemical Process Development Bristol Myers Squibb, New Brunswick, New Jersey 08903, United States
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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11
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Ghosh A, Kondalarao K, Saha A, Gandon V, Sahoo AK. A Three-Component Arene Difunctionalization: Merger of C(sp 3 )/(sp 2 )-H Bond Addition. Angew Chem Int Ed Engl 2023:e202314395. [PMID: 37856699 DOI: 10.1002/anie.202314395] [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: 09/26/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023]
Abstract
A tandem three-component C-H bond addition involving the activation of an inert C(sp3 )-H bond is reported. The process enables the direct regioselective synthesis of 1,2-difunctionalized arenes with the formation of C(sp3 )- and C(sp2 )-C(arene) bonds. 2-Iodobenzoic acid derivatives behave as masked bifunctional reagent (BFR) and react with 2-pyridyl-methyl sulfoximine (MPyS) protected aliphatic acids bearing α,α-disubstituted groups, and alkenes to produce β-aryl-δ-alkenyl amide derivatives in a single operation. The transformation involves Pd(II)/Pd(IV) and Pd(II)/Pd(0) catalytic systems. Detailed mechanistic studies, including density functional theory (DFT) calculations, reveal the formation of large T-shaped palladacycles and the onset of a 1,2-palladium migration via decarboxylation.
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Affiliation(s)
- Arghadip Ghosh
- School of Chemistry, University of Hyderabad, 500046, Hyderabad, Telangana, India
| | - Koneti Kondalarao
- School of Chemistry, University of Hyderabad, 500046, Hyderabad, Telangana, India
| | - Arijit Saha
- School of Chemistry, University of Hyderabad, 500046, Hyderabad, Telangana, India
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, Bâtiment Henri Moissan, 17 avenue des Sciences, 91400, Orsay, France
| | - Akhila K Sahoo
- School of Chemistry, University of Hyderabad, 500046, Hyderabad, Telangana, India
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12
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Li X, Song H, Yu S, Mi R, Li XX. Rhodium-Catalyzed Enantioselective 1,4-Oxyamination of Conjugated gem-Difluorodienes via Coupling with Carboxylic Acids and Dioxazolones. Angew Chem Int Ed Engl 2023; 62:e202305669. [PMID: 37357836 DOI: 10.1002/anie.202305669] [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: 04/25/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
The incorporation of fluorine atoms in organics improves their bioactivity and lipophilicity. Catalytic functionalization of gem-difluorodienes represents one of the most straightforward approaches to access fluorinated alkenes. In contrast to the regular 1,3-dienes that undergo diverse asymmetric di/hydrofunctionalizations, the regio- and enantioselective oxyamination of gem-difluorodienes remains untouched. Herein, we report asymmetric 1,4-oxyamination of gem-difluorodiene by chiral rhodium-catalyzed three-component coupling with readily available carboxylic acid and dioxazolone, affording gem-difluorinated 1,4-amino alcohol derivatives. Our asymmetric protocol exhibits high 1,4-regio- and enantioselectivity with utility in the late-stage modification of pharmaceuticals and natural products. Stoichiometric experiments provide evidences for the π-allylrhodium pathway. Related oxyamination was also realized when trifluoroethanol was used as an oxygen nucleophile.
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Affiliation(s)
- Xingwei Li
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Heng Song
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Songjie Yu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Ruijie Mi
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Xiao-Xi Li
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
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13
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Prusty P, Jeganmohan M. Co(III)-Catalyzed three-component assembling of N-(2-pyrimidyl) indoles with dienes and formaldehyde. Chem Commun (Camb) 2023. [PMID: 37219398 DOI: 10.1039/d3cc00875d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
A highly regio- and chemoselective three-component assembling of N-pyrimidyl indoles with dienes and formaldehyde in the presence of a Co(III) catalyst was demonstrated. The scope of the reaction was investigated with a variety of indole derivatives to synthesize substituted homoallylic alcohols. Both butadiene and isoprene units were compatible with the reaction. To understand the reaction mechanism, various investigations were carried out, and suggested the plausibility of a reaction mechanism involving C-H bond activation as a key step.
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Affiliation(s)
- Priyambada Prusty
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
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14
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Kong L, Han X, Hu P, Wang F, Li X. Three-component regioselective carboamidation of 1,3-enynes via rhodium(III)-catalyzed C-H activation. Chem Commun (Camb) 2023; 59:6690-6693. [PMID: 37161763 DOI: 10.1039/d3cc01666h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Rhodium-catalyzed regio- and stereoselective three-component carboamidation of 1,3-enynes has been realized using indoles and dioxazolones as the functionalizing reagents. A wide range of multi-substituted skipped 1,4-dienes have been constructed in good yields and excellent stereoselectivity. The stereoselectivity is under substrate control. 1,3-Enynes bearing a relatively bulky alkyne terminus reacted with Z-selectivity. In contrast, a sterically less hindered alkyne terminus tends to predominantly give the E-configured skipped diene.
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Affiliation(s)
- Lingheng Kong
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.
- College of Chemistry and Chemical Engineering, Taishan University, Tai'an, Shandong, 271000, China
| | - Xi Han
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.
| | - Panjie Hu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.
| | - Fen Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.
| | - Xingwei Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.
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15
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Khot NP, Nagtilak PJ, Deo NK, Kapur M. A three component 1,3-difunctionalization of vinyl diazo esters enabled by a cobalt catalyzed C-H activation/carbene migratory insertion. Chem Commun (Camb) 2023; 59:6076-6079. [PMID: 37114935 DOI: 10.1039/d3cc00295k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
We report herein, a modular, regioselective 1,3-oxyarylation of vinyl diazo esters via a Co-catalyzed C-H activation/carbene migratory insertion cascade. The transformation involves the formation of C-C and C-O bonds in a one-pot fashion and displays a broad substrate scope with respect to both, vinyl diazo esters as well as benzamides. The coupled products were subjected to hydrogenation to access elusive allyl alcohol scaffolds. Mechanistic investigations reveal interesting insights on the mode of transformation, involving C-H activation, carbene migratory insertion of the diazo compound followed by a radical addition as the key steps of the transformation.
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Affiliation(s)
- Nandkishor Prakash Khot
- Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Prajyot Jayadev Nagtilak
- Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Nitish Kumar Deo
- Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Manmohan Kapur
- Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal By-pass Road, Bhopal 462066, Madhya Pradesh, India.
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16
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Tan G, Paulus F, Petti A, Wiethoff MA, Lauer A, Daniliuc C, Glorius F. Metal-free photosensitized radical relay 1,4-carboimination across two distinct olefins. Chem Sci 2023; 14:2447-2454. [PMID: 36873844 PMCID: PMC9977457 DOI: 10.1039/d2sc06497a] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 02/03/2023] [Indexed: 02/05/2023] Open
Abstract
Intermolecular carboamination of olefins offers a powerful platform for the rapid construction of structurally complex amines from abundant feedstocks. However, these reactions often require transition-metal catalysis, and are mainly limited to 1,2-carboamination. Herein, we report a novel radical relay 1,4-carboimination across two distinct olefins with alkyl carboxylic acid-derived bifunctional oxime esters via energy transfer catalysis. The reaction is highly chemo- and regioselective, and multiple C-C and C-N bonds were formed in a single orchestrated operation. This mild and metal-free method features a remarkably broad substrate scope with excellent tolerance of sensitive functional groups, therefore providing easy access to structurally diverse 1,4-carboiminated products. Moreover, the obtained imines could be easily converted into valuable biologically relevant free γ-amino acids.
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Affiliation(s)
- Guangying Tan
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Fritz Paulus
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Alessia Petti
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Maxim-Aleksa Wiethoff
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Anna Lauer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Constantin Daniliuc
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster Corrensstraße 36 48149 Münster Germany
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17
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Li Y, Dong Y, Wang X, Li G, Xue H, Xin W, Zhang Q, Guan W, Fu J. Regio-, Site-, and Stereoselective Three-Component Aminofluorination of 1,3-Dienes via Cooperative Silver Salt and Copper Catalysis. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Yang Li
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yujiao Dong
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Xin Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Guangfu Li
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Huiqing Xue
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Wanyang Xin
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Qian Zhang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Wei Guan
- Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Junkai Fu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis and Institute of Functional Material Chemistry, Department of Chemistry, Northeast Normal University, Changchun 130024, China
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18
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Liang Z, Wang K, Sun Q, Peng Y, Bao X. Iron-catalyzed dual decarboxylative coupling of α-amino acids and dioxazolones under visible-light to access amide derivatives. Chem Commun (Camb) 2023; 59:752-755. [PMID: 36541573 DOI: 10.1039/d2cc03318f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An iron-catalyzed decarboxylative C-N coupling of α-amino acids with dioxazolones is described herein to synthesize amide derivatives under visible-light. The desired products can be given in good to excellent yields under simple, mild, and oxidant-free conditions. This protocol provides a practical route for the transformation of α-amino acids to the corresponding amides. Computational studies were carried out to shed light on the mechanism of this reaction.
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Affiliation(s)
- Zhanqun Liang
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Kaifeng Wang
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Qing Sun
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Yuzhu Peng
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Xiaoguang Bao
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China. .,Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu 215123, China
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19
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Tassone JP, Yeo J, Ellman JA. Three-component carboformylation: α-quaternary aldehyde synthesis via Co(iii)-catalysed sequential C-H bond addition to dienes and acetic formic anhydride. Chem Sci 2022; 13:14320-14326. [PMID: 36545136 PMCID: PMC9749387 DOI: 10.1039/d2sc05599f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 11/20/2022] [Indexed: 11/23/2022] Open
Abstract
All carbon α-quaternary aldehydes are prepared via Co(iii)-catalysed sequential C-H bond addition to dienes and acetic formic anhydride, representing a rare example of intermolecular carboformylation. A wide range of internally substituted dienes containing diverse functionality can be employed in this reaction, affording complex α-quaternary aldehydes that would not be accessible via hydroformylation approaches. Mechanistic investigations, including control reactions and deuterium labeling studies, establish a catalytic cycle that accounts for formyl group introduction with an uncommon 1,3-addition selectivity to the conjugated diene. Investigations into the role of the uniquely effective additive Proton Sponge® were also conducted, leading to the observation of a putative, intermediate Co(i) tetramethylfulvene complex at low temperatures via NMR spectroscopy. The synthetic utility of the aldehyde products is demonstrated by various transformations, including proline-catalysed asymmetric aldol addition, reductive amination, and the asymmetric synthesis of amines using tert-butanesulfinamide technology.
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Affiliation(s)
- Joseph P. Tassone
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
| | - Jihyeon Yeo
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
| | - Jonathan A. Ellman
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
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20
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Zeng Z, Gao H, Zhou Z, Yi W. Intermolecular Redox-Neutral Carboamination of C–C Multiple Bonds Initiated by Transition-Metal-Catalyzed C–H Activation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Zhongyi Zeng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Hui Gao
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Zhi Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Wei Yi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
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21
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Burg F, Rovis T. Rh(III)-catalyzed Intra- and Intermolecular 3,4-Difunctionalization of 1,3-Dienes via Rh(III)-π-allyl Amidation with 1,4,2-Dioxazolones. ACS Catal 2022; 12:9690-9697. [PMID: 37829170 PMCID: PMC10569259 DOI: 10.1021/acscatal.2c02537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We herein report a modular strategy, which enables Rh(III)-catalyzed diastereoselective 3,4-amino oxygenation and diamination of 1,3-dienes using different O- and N-nucleophiles in combination with readily available 3-substituted 1,4,2-dioxazolones (78 examples, 37-91% yield). Previous attempts to functionalize the internal double bond rested on the use of plain alcoholic solvents as nucleophilic coupling partners thus dramatically limiting the scope of this transformation. We have now identified hexafluoroisopropanol as a non-nucleophilic solvent which allows the use of diverse nucleophiles and greatly expands the scope, including an unprecedented amino hydroxylation to selectively install valuable, unprotected β-amino alcohols across 1,3-dienes. Moreover, various elaborate alcohols prove to be compatible providing unique access to complex organic molecules. Finally, this method is employed in a series of intramolecular reactions to deliver valuable nitrogen heterocycles as well as γ- and δ-lactones.
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Affiliation(s)
- Finn Burg
- Department of Chemistry, Columbia University, New York 10027, United States
| | - Tomislav Rovis
- Department of Chemistry, Columbia University, New York 10027, United States
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22
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Brandes DS, Ellman JA. C-H bond activation and sequential addition to two different coupling partners: a versatile approach to molecular complexity. Chem Soc Rev 2022; 51:6738-6756. [PMID: 35822540 PMCID: PMC9364435 DOI: 10.1039/d2cs00012a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Sequential multicomponent C-H bond addition is a powerful approach for the rapid, modular generation of molecular complexity in a single reaction. In this approach, C-H bonds are typically added across π-bonds or π-bond isosteres, followed by subsequent coupling to another type of functionality, thereby forming two σ-bonds in a single reaction sequence. Many sequential C-H bond addition reactions have been developed to date, including additions across both conjugated and isolated π-systems followed by coupling with reactants such as carbonyl compounds, cyanating reagents, aminating reagents, halogenating reagents, oxygenating reagents, and alkylating reagents. These atom-economical reactions transform ubiquitous C-H bonds under mild conditions to more complex structures with a high level of regiochemical and stereochemical control. Surprising connectivities and diverse mechanisms have been elucidated in the development of these reactions. Given the large number of possible combinations of coupling partners, there are enormous opportunities for the discovery of new sequential C-H bond addition reactions.
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Affiliation(s)
- Daniel S Brandes
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, Connecticut 06520, USA.
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, Connecticut 06520, USA.
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23
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Song JL, Chen SY, Xiao L, Xie XL, Zheng YC, Shang-Shi Z, Shu B. Rh(III)‐Catalyzed N‐Arylation of Alkyl Dioxazolones with Arylboronic Acids for the Synthesis of N‐Aryl Amides. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jia-Lin Song
- Guangdong Pharmaceutical University School of Pharmacy CHINA
| | - Shao-Yong Chen
- Guangdong Pharmaceutical University Center for Drug Research and Development CHINA
| | - Lin Xiao
- Guangdong Pharmaceutical University Center for Drug Research and Development CHINA
| | - Xiao-Ling Xie
- Guangdong Pharmaceutical University School of Pharmacy CHINA
| | - Yi-Chuan Zheng
- Guangdong Pharmaceutical University Center for Drug Research and Development CHINA
| | - Zhang Shang-Shi
- Guangdong Pharmaceutical University Center for Drug Research and development Higher Education Mega Center 510006 GuangZhou CHINA
| | - Bing Shu
- Guangdong Pharmaceutical University School of Pharmacy CHINA
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24
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Xu C, Tassone JP, Mercado BQ, Ellman JA. Stereoselective Synthesis of Allenyl Alcohols by Cobalt(III)-Catalyzed Sequential C-H Bond Addition to 1,3-Enynes and Aldehydes. Angew Chem Int Ed Engl 2022; 61:e202202364. [PMID: 35420724 PMCID: PMC9189073 DOI: 10.1002/anie.202202364] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Indexed: 12/11/2022]
Abstract
An efficient and stereoselective CoIII -catalyzed sequential C-H bond addition to 1,3-enynes and aldehydes is disclosed. This transformation represents the first example of sequential C-H bond additions to 1,3-enynes and a second coupling partner and provides the first example of preparing allenes by C-H bond addition to 1,3-enynes. A wide range of aldehydes, C-H bond substrates and 1,3-enynes with large substituents on the alkynes are effective substrates. The allenyl alcohol products can be further converted to dihydrofurans with high stereoselectivity either in situ or under Ag-mediated cyclization conditions. The allenyl silyl group can also be transferred to the adjacent alcohol by a Brook rearrangement. Moreover, a mechanism for the transformation is proposed supported by X-ray structural characterization of a cobaltacycle intermediate.
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Affiliation(s)
- Chaofan Xu
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06520, USA
| | - Joseph P Tassone
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06520, USA
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06520, USA
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT 06520, USA
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25
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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26
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Xu C, Tassone JP, Mercado BQ, Ellman JA. Stereoselective Synthesis of Allenyl Alcohols by Cobalt(III)‐Catalyzed Sequential C−H Bond Addition to 1,3‐Enynes and Aldehydes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | - Jonathan Anthony Ellman
- Yale University Dept. of Chemistry 225 Prospect StreetPO Box 208107 06520 8107 New Haven UNITED STATES
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27
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Ramesh B, Jeganmohan M. Cobalt(III)-Catalyzed Regio- and Chemoselective [4 + 2]-Annulation of N-Chlorobenzamides/Acrylamides with 1,3-Dienes at Room Temperature. J Org Chem 2022; 87:5713-5729. [PMID: 35414174 DOI: 10.1021/acs.joc.2c00072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Co(III)-catalyzed regio- and chemoselective redox-neutral C-H annulation of arylamides/acrylamides with 1,3-dienes is described. The present annulation reaction was well suited with a less-reactive 1,3-butadiene. By employing this protocol, pharmaceutically important 3,4-dihydroisoquinolinones were synthesized in good yields. Furthermore, the prepared 3,4-dihydroisoquinolinones were converted into highly important oxirane derivatives in good yields. A plausible mechanistic cycle is proposed and supported by a competition experiment and kinetic isotopic effect (KIE) studies.
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Affiliation(s)
- Balu Ramesh
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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28
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Lee M, Heo J, Kim D, Chang S. On the Origin of Rh-Catalyzed Selective Ring-Opening Amidation of Substituted Cyclopropanols to Access β 2-Amino Ketones. J Am Chem Soc 2022; 144:3667-3675. [PMID: 35167292 DOI: 10.1021/jacs.1c12934] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
β2-Amino carbonyls, an α-substituted β-amino scaffold, hold a prominent place in the development of new pharmaceuticals and peptidomimetics. Herein, we report a highly efficient Rh-catalyzed ring-opening amidation of substituted cyclopropanols, which turned out to serve as a linchpin for the selective synthesis of β2-amino ketones to outcompete the formation of β3-isomers. Instead of the generally accepted rationale to consider steric factors for the β2-selectivity, orbital interaction was elucidated to play a more critical role in the amidative ring-opening of cyclopropanols to generate the key Rh-C intermediate. Subsequent inner-sphere acylnitrene transfer was achieved in excellent efficiency (TON > 5000) by using readily accessible dioxazolones as the amino source to afford β2-amino ketones with broad applicability.
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Affiliation(s)
- Minhan Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Joon Heo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Dongwook Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Sukbok Chang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
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29
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Nanda SK, Mallik R. Transition Metal‐Catalyzed Carboamination of Alkenes and Allenes: Recent Progress. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Santosh Kumar Nanda
- Department of Chemistry, School of Applied Science Centurion University of Technology and Management Paralakhemundi Odisha 761211 India
| | - Rosy Mallik
- Department of Chemistry, School of Applied Science Centurion University of Technology and Management Paralakhemundi Odisha 761211 India
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30
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Brandes DS, Muma AD, Ellman JA. Synthesis of α-Branched Amines by Three- and Four-Component C-H Functionalization Employing a Readily Diversifiable Hydrazone Directing Group. Org Lett 2021; 23:9597-9601. [PMID: 34881902 PMCID: PMC8785212 DOI: 10.1021/acs.orglett.1c03807] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Efficient syntheses of α-branched amines by three- and four-component C-H functionalization employing a diversifiable hydrazone directing group have been developed. The hydrazone in the α-branched amine products has been readily converted to multiple desirable functionalities such as a nitrile, a carboxylic acid, alkenes, and heterocycles using diverse heterolytic chemistry and homolytic transition metal- or photoredox-catalyzed processes. This study represents the first example of a four-component C-H functionalization reaction.
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Affiliation(s)
- Daniel S Brandes
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Alex D Muma
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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31
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You C, Studer A. Three-component 1,2-carboamination of vinyl boronic esters via amidyl radical induced 1,2-migration. Chem Sci 2021; 12:15765-15769. [PMID: 35003609 PMCID: PMC8654000 DOI: 10.1039/d1sc05811h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 11/16/2021] [Indexed: 12/25/2022] Open
Abstract
Three-component 1,2-carboamination of vinyl boronic esters with alkyl/aryl lithium reagents and N-chloro-carbamates/carboxamides is presented. Vinylboron ate complexes generated in situ from the boronic ester and an organo lithium reagent are shown to react with readily available N-chloro-carbamates/carboxamides to give valuable 1,2-aminoboronic esters. These cascades proceed in the absence of any catalyst upon simple visible light irradiation. Amidyl radicals add to the vinylboron ate complexes followed by oxidation and 1,2-alkyl/aryl migration from boron to carbon to give the corresponding carboamination products. These practical cascades show high functional group tolerance and accordingly exhibit broad substrate scope. Gram-scale reaction and diverse follow-up transformations convincingly demonstrate the synthetic potential of this method.
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Affiliation(s)
- Cai You
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Corrensstraβe 40 48149 Münster Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Corrensstraβe 40 48149 Münster Germany
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32
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Kang T, Kim N, Cheng PT, Zhang H, Foo K, Engle KM. Nickel-Catalyzed 1,2-Carboamination of Alkenyl Alcohols. J Am Chem Soc 2021; 143:13962-13970. [PMID: 34415748 DOI: 10.1021/jacs.1c07112] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An alcohol-directed, nickel-catalyzed three-component umpolung carboamination of unactivated alkenes with aryl/alkenylboronic esters and electrophilic aminating reagents is reported. This transformation is enabled by specifically tailored O-(2,6-dimethoxybenzoyl)hydroxylamine electrophiles that suppress competitive processes, including undesired β-hydride elimination and transesterification between the alcohol substrate and electrophile. The reaction delivers the desired 1,2-carboaminated products with generally high regio- and syn-diastereoselectivity and exhibits a broad scope of coupling partners and alkenes, including complex natural products. Various mechanistic experiments and analysis of the stereochemical outcome with a cyclic alkene substrate, as confirmed by X-ray crystallographic analysis, support alcohol-directed syn-insertion of an organonickel(I) species.
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Affiliation(s)
- Taeho Kang
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Nana Kim
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Peter T Cheng
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Hao Zhang
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Klement Foo
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Keary M Engle
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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33
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Pinkert T, Das M, Schrader ML, Glorius F. Use of Strain-Release for the Diastereoselective Construction of Quaternary Carbon Centers. J Am Chem Soc 2021; 143:7648-7654. [PMID: 33974436 DOI: 10.1021/jacs.1c03492] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Herein, we describe the formation of quaternary carbon centers with excellent diastereoselectivity via a strain-release protocol. An organometallic species is generated by Cp*Rh(III)-catalyzed C-H activation, which is then coupled with strained bicyclobutanes (BCBs) and a prochiral carbon electrophile in a three-component reaction. This work illustrates a rare example of BCBs in transition metal catalysis and demonstrates their broad potential to access novel reaction pathways. The method developed exhibits ample functional group tolerance, and the products can be further transformed into valuable α-quaternary β-lactones. Preliminary mechanistic investigations suggest a twofold C-C bond cleavage sequence involving σ-bond insertion and an ensuing β-carbon elimination event.
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Affiliation(s)
- Tobias Pinkert
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Mowpriya Das
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Malte L Schrader
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
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34
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Mi R, Zhang X, Wang J, Chen H, Lan Y, Wang F, Li X. Rhodium-Catalyzed Regio-, Diastereo-, and Enantioselective Three-Component Carboamination of Dienes via C–H Activation. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01615] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ruijie Mi
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Xuepeng Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Jinlei Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Haohua Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China
| | - Fen Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
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35
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Hao J, Ge Y, Yang L, Wang J, Luan X. Highly regioselective Ru(II)-catalyzed [3+2] spiroannulation of 1-aryl-2-naphthols with alkynes via a double directing group strategy. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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36
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Brandes DS, Sirvent A, Mercado BQ, Ellman JA. Three-Component 1,2-Carboamidation of Bridged Bicyclic Alkenes via Rh III-Catalyzed Addition of C-H Bonds and Amidating Reagents. Org Lett 2021; 23:2836-2840. [PMID: 33739839 PMCID: PMC8026749 DOI: 10.1021/acs.orglett.1c00851] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A three-component method is described for the preparation of syn-1,2-disubstituted bridged bicyclic compounds. The reaction was demonstrated for readily available aromatic and heteroaromatic C-H bond substrates with tertiary and secondary amide, lactam, pyrazole, and triazole directing groups and a variety of bridged bicyclic alkenes, including norbornene, benzonorbornadiene, oxygen- and nitrogen-bridged analogs, and an unsaturated tropinone. A broad dioxazolone scope was also observed. The use of a chiral Cp-derived RhIII catalyst enables asymmetric synthesis of products.
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Affiliation(s)
- Daniel S Brandes
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Ana Sirvent
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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37
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Mondal S, Pinkert T, Daniliuc CG, Glorius F. Regioselektive und redox‐neutrale Cp*Ir
III
‐katalysierte allylische C‐H‐Alkinylierung. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015249] [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)
- Shobhan Mondal
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
| | - Tobias Pinkert
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
| | - Frank Glorius
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
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38
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Yanagawa M, Harada S, Hirose S, Nemoto T. Rapid Synthesis of Functionalized Hydrocarbazolones
via
Indole C2−H Activation Using Enone Functionality as a Directing Group/Electrophilic Species. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mai Yanagawa
- Graduate School of Pharmaceutical Sciences Chiba University 1-8-1, Inohana, Chuo-ku Chiba 260-8675 Japan
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences Chiba University 1-8-1, Inohana, Chuo-ku Chiba 260-8675 Japan
| | - Shumpei Hirose
- Graduate School of Pharmaceutical Sciences Chiba University 1-8-1, Inohana, Chuo-ku Chiba 260-8675 Japan
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences Chiba University 1-8-1, Inohana, Chuo-ku Chiba 260-8675 Japan
- Molecular Chirality Research Center Chiba University 1-33, Yayoi-cho, Inage-ku Chiba 263-8522 Japan
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39
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Wu L, Xu H, Gao H, Li L, Chen W, Zhou Z, Yi W. Chiral Allylic Amine Synthesis Enabled by the Enantioselective CpXRh(III)-Catalyzed Carboaminations of 1,3-Dienes. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04777] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Liexin Wu
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Huiying Xu
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Hui Gao
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Liping Li
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Weijie Chen
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Zhi Zhou
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Wei Yi
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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40
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Mondal S, Pinkert T, Daniliuc CG, Glorius F. Regioselective and Redox‐Neutral Cp*Ir
III
‐Catalyzed Allylic C−H Alkynylation. Angew Chem Int Ed Engl 2021; 60:5688-5692. [DOI: 10.1002/anie.202015249] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/22/2020] [Indexed: 01/09/2023]
Affiliation(s)
- Shobhan Mondal
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Tobias Pinkert
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Frank Glorius
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
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41
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Dongbang S, Ellman JA. Synthesis of Nitrile Bearing Acyclic Quaternary Centers through Co(III)-Catalyzed Sequential C-H Bond Addition to Dienes and N-Cyanosuccinimide. Angew Chem Int Ed Engl 2021; 60:2135-2139. [PMID: 33017508 DOI: 10.1002/anie.202010735] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Indexed: 12/12/2022]
Abstract
Herein we disclose a three-component strategy to access quaternary centers bearing nitriles by cobalt-catalyzed C-H bond activation and sequential addition to internally substituted 1,3-dienes and an electrophilic cyanating reagent with high regio and stereocontrol. 2-Aryl and alkyl monosubstituted dienes provide α-aryl and α-alkyl α-methyl-substituted nitriles, respectively. An even wider variety of functionality can be installed at the quaternary carbon by using 1,2-disubstituted dienes. The synthetic utility of the nitrile products was successfully demonstrated by various transformations, including conversions to γ-lactones and tetrazoles. The observed connectivity in the products along with studies with deuterium labeled reactants provide insight into the mechanism. Formation of a 7-membered cobaltacycle by C-H activation and migratory insertion of the diene is followed by β-hydride elimination and hydride reinsertion to give a 6-membered cobaltacycle that then reacts with the cyanating agent.
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Affiliation(s)
- Sun Dongbang
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
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42
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Xie H, Liang JY, Huang ZJ, Shu B, Zheng YC, Liu YZ, Chen SY, Liu XG, Zhang SS. Rh( iii)-Catalyzed tandem C(sp 2)–H allylation/ N-alkylation annulation of arene amides with 2-alkylidenetrimethylene carbonates. Org Chem Front 2021. [DOI: 10.1039/d1qo01129d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A Rh(iii)-catalyzed tandem C(sp2)–H allylation/N-alkylation annulation reaction of arene amides employing 5-methylene-1,3-dioxan-2-one as an efficient allyl source has been disclosed for the first time.
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Affiliation(s)
- Hui Xie
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Jin-Yi Liang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Zhuo-Jun Huang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Bing Shu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Yi-Chuan Zheng
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Yan-Zhi Liu
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Shao-Yong Chen
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Xu-Ge Liu
- Key Laboratory of Brain Targeted Nanodrugs of Henan Province, School of Pharmacy, Henan University, Kaifeng, Henan 475004, P. R. China
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
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43
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Cui Y, Bai D, Liu B, Chang J, Li X. Rh(iii)-Catalyzed acylation of heteroarenes with cyclobutenones via C-H/C-C bond activation. Chem Commun (Camb) 2020; 56:15631-15634. [PMID: 33283807 DOI: 10.1039/d0cc05965j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Rhodium(iii)-catalyzed C-H acylation of heteroarenes has been realized using cyclobutenones as an acylating reagent. This coupling proceeded via integration of C-H activation of heteroarenes and C-C cleavage of cyclobutenones. The reaction features excellent regio/chemoselectivity leading to versatile chalcones with exclusive E-selectivity.
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Affiliation(s)
- Yixin Cui
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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44
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Mukherjee P, Maiti D. Evolution of strept(avidin)-based artificial metalloenzymes in organometallic catalysis. Chem Commun (Camb) 2020; 56:14519-14540. [PMID: 33150893 DOI: 10.1039/d0cc05450j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Artificial metalloenzymes have been recently established as efficient alternatives to traditional transition metal catalysts. The presence of a secondary coordination sphere in artificial metalloenzymes makes them advantageous over transition metal catalysts, which rely essentially on their first coordination sphere to exhibit their catalytic activity. Recent developments on streptavidin- and avidin-based artificial metalloenzymes have made them highly chemically and genetically evolved for selective organometallic transformations. In this review, we discuss the chemo-genetic optimization of streptavidin- and avidin-based artificial metalloenzymes for the enhancement of their catalytic activities towards a wide range of synthetic transformations. Considering the high impact in vivo applications of artificial metalloenzymes, their catalytic efficacies to promote abiological reactions in intracellular as well as periplasmic environment are also discussed. Overall, this review can provide an insight to readers regarding the design and systematic optimization of strept(avidin)-based artificial metalloenzymes for specific reactions.
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Affiliation(s)
- Prasun Mukherjee
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
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45
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Chu Y, Bi S, Wu X, Jiang Y, Liu Y, Ling B, Yuan XA. Mechanism, bonding nature of metal-nitrenoid, and selectivity for a nitrene-participating three-component carboamination of dienes: A DFT study. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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Dongbang S, Ellman JA. Synthesis of Nitrile Bearing Acyclic Quaternary Centers through Co(III)‐Catalyzed Sequential C−H Bond Addition to Dienes and
N
‐Cyanosuccinimide. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Sun Dongbang
- Department of Chemistry Yale University 225 Prospect St. New Haven CT 06520 USA
| | - Jonathan A. Ellman
- Department of Chemistry Yale University 225 Prospect St. New Haven CT 06520 USA
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47
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Shi P, Tu Y, Wang C, Kong D, Ma D, Bolm C. Synthesis of Benzothiadiazine-1-oxides by Rhodium-Catalyzed C-H Amidation/Cyclization. Org Lett 2020; 22:8842-8845. [PMID: 33170727 DOI: 10.1021/acs.orglett.0c03212] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A rhodium-catalyzed C-H amidation/cyclization sequence provides benzothiadiazine-1-oxides from sulfoximines and 1,4,2-dioxazol-5-ones in good yields. The reaction is characterized by a high functional group tolerance and, in contrast to most previous transformations of this type, is well-suited for S-alkyl-S-aryl-substituted sulfoximines.
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Affiliation(s)
- Peng Shi
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Yongliang Tu
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Chenyang Wang
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Deshen Kong
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Ding Ma
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Carsten Bolm
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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48
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Chen C, Shi C, Yang Y, Zhou B. Rh(iii)-catalyzed tandem annulative redox-neutral arylation/amidation of aromatic tethered alkenes. Chem Sci 2020; 11:12124-12129. [PMID: 34094427 PMCID: PMC8162841 DOI: 10.1039/d0sc04007j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Transition-metal-catalyzed directed C–H functionalization has emerged as a powerful and straightforward tool to construct C–C bonds and C–N bonds. Among these processes, the intramolecular annulative alkene hydroarylation reaction has received much attention because this intramolecular annulation can produce more complex and high value-added structural motifs found in numerous natural products and bioactive molecules. Despite remarkable progress, these annulative protocols developed to date remain limited to hydroarylation and functionalization of one side of alkenes, thus largely limiting the structural diversity and complexity. Herein, we developed a rhodium(iii)-catalyzed tandem annulative arylation/amidation reaction of aromatic tethered alkenes to deliver a variety of 2,3-dihydro-3-benzofuranmethanamine derivatives bearing an all-carbon quaternary stereo center by employing 3-substituted 1,4,2-dioxazol-5-ones as an amidating reagent to capture the transient C(sp3)–Rh intermediate. Notably, by simply changing the directing group, a second, unsymmetrical ortho C–H amidation/annulation can be achieved to provide tricyclic dihydrofuro[3,2-f]quinazolinones in good yields. A rhodium(iii)-catalyzed tandem annulative arylation/amidation reaction of aromatic tethered alkenes was developed to deliver a variety of 2,3-dihydro-3-benzofuranmethanamine derivatives.![]()
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Affiliation(s)
- Chao Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China
| | - Chen Shi
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China
| | - Yaxi Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Bing Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
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49
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Sun J, Yuan W, Tian R, Wang P, Zhang X, Li X. Rhodium(III)‐Catalyzed Asymmetric [4+1] and [5+1] Annulation of Arenes and 1,3‐Enynes: A Distinct Mechanism of Allyl Formation and Allyl Functionalization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010832] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Jiaqiong Sun
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Weiliang Yuan
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Rong Tian
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Peiyuan Wang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Xue‐Peng Zhang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Sciences Shandong University Qingdao 266237 China
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50
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Sun J, Yuan W, Tian R, Wang P, Zhang X, Li X. Rhodium(III)‐Catalyzed Asymmetric [4+1] and [5+1] Annulation of Arenes and 1,3‐Enynes: A Distinct Mechanism of Allyl Formation and Allyl Functionalization. Angew Chem Int Ed Engl 2020; 59:22706-22713. [DOI: 10.1002/anie.202010832] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Jiaqiong Sun
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Weiliang Yuan
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Rong Tian
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Peiyuan Wang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Xue‐Peng Zhang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Sciences Shandong University Qingdao 266237 China
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