51
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Kong WJ, Kessler SN, Wu H, Bäckvall JE. Iron-Catalyzed Cross-Coupling of α-Allenyl Esters with Grignard Reagents for the Synthesis of 1,3-Dienes. Org Lett 2023; 25:120-124. [PMID: 36599130 PMCID: PMC9841610 DOI: 10.1021/acs.orglett.2c03916] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Structurally diverse 1,3-dienes are valuable building blocks in organic synthesis. Herein we report the iron-catalyzed coupling between α-allenyl esters and Grignard reagents, which provides a fast and practical approach to a variety of complex substituted 1,3-dienes. The reaction involves an inexpensive iron catalyst, mild reaction conditions, and provides easy scale up.
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52
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Yu YJ, Schäfer M, Daniliuc CG, Gilmour R. Catalytic, Regioselective 1,4-Fluorodifunctionalization of Dienes. Angew Chem Int Ed Engl 2023; 62:e202214906. [PMID: 36345795 PMCID: PMC10107283 DOI: 10.1002/anie.202214906] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Indexed: 11/09/2022]
Abstract
A catalysis-based regioselective 1,4-fluorofunctionalization of trifluoromethyl substituted 1,3-dienes has been developed to access compact, highly functionalized products. The process allows E,Z-mixed dienes to be processed to a single E-alkene isomer, and leverages an inexpensive and operationally convenient I(I)/I(III) catalysis platform. The first example of catalytic 1,4-difluorination is disclosed and subsequently evolved to enable 1,4-hetero-difunctionalization, which allows δ-fluoro-alcohol and amine derivatives to be forged in a single operation. The protocol is compatible with a variety of nucleophiles including fluoride, nitriles, carboxylic acids, alcohols and even water thereby allowing highly functionalized products, with a stereocenter bearing both C(sp3 )-F and C(sp3 )-CF3 groups, to be generated rapidly. Scalability (up to 3 mmol), and facile post-reaction modifications are demonstrated to underscore the utility of the method in expanding organofluorine chemical space.
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Affiliation(s)
- You-Jie Yu
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Michael Schäfer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Constantin G Daniliuc
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149, Münster, Germany
| | - Ryan Gilmour
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149, Münster, Germany
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53
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Diver ST, Glickert E, Rohde LN, Wild T. Stereoconvergent Synthesis of Z-1,3-Disubstituted-1,3-Dienes by Uphill Photocatalysis. Chemistry 2023; 29:e202202635. [PMID: 36166750 DOI: 10.1002/chem.202202635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 01/05/2023]
Abstract
A variety of 1-aryl-1,3-dienes were isomerized from E to Z isomers by photocatalysis using Ru(bpy)3 [PF6 ]2 and blue LED light. Enrichment of the Z-isomer is thought to occur by selective triplet energy transfer from the photocatalyst to the stereoisomeric mixture. The 1,3-diene starting materials are easily made by catalytic ene-yne metathesis (EYM). To access 1,3-diene Z-stereoisomers directly, a one pot procedure was developed. Additional 1,3-dienes were investigated for both isomerization and Z-enrichment. The combination of cross EYM with photocatalysis allows for the stereoconvergent synthesis of Z-1,3-dienes.
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Affiliation(s)
- Steven T Diver
- Department of Chemistry, University at Buffalo, the State University of New York, 572 Natural Sciences Complex, Amherst, NY, 14260-3000, USA
| | - Elise Glickert
- Department of Chemistry, University at Buffalo, the State University of New York, 572 Natural Sciences Complex, Amherst, NY, 14260-3000, USA
| | - Laurence N Rohde
- Department of Chemistry, University at Buffalo, the State University of New York, 572 Natural Sciences Complex, Amherst, NY, 14260-3000, USA
| | - Thérèse Wild
- Department of Chemistry, University at Buffalo, the State University of New York, 572 Natural Sciences Complex, Amherst, NY, 14260-3000, USA
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54
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Flaget A, Zhang C, Mazet C. Ni-Catalyzed Enantioselective Hydrofunctionalizations of 1,3-Dienes. ACS Catal 2022; 12:15638-15647. [PMID: 36570078 PMCID: PMC9765749 DOI: 10.1021/acscatal.2c05251] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/15/2022] [Indexed: 12/12/2022]
Abstract
Ni-catalyzed enantioselective hydrofunctionalizations of conjugated dienes are particularly demanding reactions to devise because they require not only addressing the inherent challenges associated with the development of an enantioselective transformation but also overcoming all other aspects of selective catalysis (chemoselectivity, regioselectivity, diastereoselectivity, etc.). However, the value-added nature of the chiral allylic and homoallylic derivatives obtained by these methods, the lack of efficient alternatives, and the use of an earth-abundant first-row transition metal have led to renewed interest over the past decade. In this Perspective, we give an overview of the developments in this field, from the original findings (often dating back to the last century) to the most recent contributions. Emphasis is placed on the nature of the hydrofunctionalization agent (C(sp), C(sp2), C(sp3), N, P, or O).
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Affiliation(s)
| | | | - Clément Mazet
- Department of Organic Chemistry, University of Geneva, 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
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55
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Rohde LN, Diver ST. Preparation of Dienyl Boronates by Tandem Ene-Yne Metathesis/Dienyl Isomerization: Ready Access to Diene Building Blocks for the Synthesis of Polyenes. J Org Chem 2022; 87:14078-14092. [PMID: 36223641 DOI: 10.1021/acs.joc.2c01678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The ene-yne metathesis of alkenyl boronates with terminal alkynes is reported. These challenging metatheses were accomplished using a Grubbs catalyst bearing the cyclic alkyl amino carbene (CAAC) ligand, whereas N-heterocyclic carbene (NHC) derived catalysts gave lower yields. Subsequent dienyl isomerization via a cobalt-catalyzed hydrogen atom transfer (HAT) furnished the more substituted dienyl boronate with high EE/EZ ratios. Finally, the resulting dienyl boronate products were successfully used in Suzuki-Miyaura cross-coupling reactions and in a Diels-Alder cycloaddition.
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Affiliation(s)
- Laurence N Rohde
- Department of Chemistry, University at Buffalo, the State University of New York, Amherst, New York 14260, United States
| | - Steven T Diver
- Department of Chemistry, University at Buffalo, the State University of New York, Amherst, New York 14260, United States
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56
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Marcum JS, Meek SJ. Efficient Enantio-, Diastereo, E/ Z-, and Site-Selective Nickel-Catalyzed Fragment Couplings of Aldehydes, Dienes, and Organoborons. J Am Chem Soc 2022; 144:19231-19237. [PMID: 36195082 DOI: 10.1021/jacs.2c08742] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The enantioselective synthesis of bis-homoallylic alcohols through nickel-catalyzed three-component fragment couplings of simple aldehydes, dienes, and aryl organoborons is disclosed. The reactions proceed through diene dicarbofunctionalization that concurrently forms two C-C bonds and two stereogenic centers. The transformations are promoted by a 5.0 mol % loading of a readily accessible chiral phosphine-nickel complex and afford products with high stereoselectivity.
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Affiliation(s)
- Justin S Marcum
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Simon J Meek
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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57
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Rohde LN, Diver ST. Styrene-alkyne cross ene-yne metathesis: Catalyst screening and optimization for unbranched terminal alkyne substrates. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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58
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Zeng YZ, Wang JB, Qin HL. A reductive dehalogenative process for chemo- and stereoselective synthesis of 1,3-dienylsulfonyl fluorides. Org Biomol Chem 2022; 20:7776-7780. [PMID: 36168842 DOI: 10.1039/d2ob01434c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method for the mild and efficient synthesis of 1,3-dienylsulfonyl fluorides was developed via dehalogenation of α-halo-1,3-dienylsulfonyl fluorides in the presence of zinc powder and acetic acid, achieving exclusive chemo- and stereoselectivities. This protocol was successfully applied to the synthesis of heterocyclic dienylsulfonyl fluorides and polyene sulfonyl fluoride.
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Affiliation(s)
- Yu-Zhen Zeng
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, China.
| | - Jian-Bai Wang
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, China. .,Changyi Tianyu Pharm. Co., Ltd., Weifang 261399, China
| | - Hua-Li Qin
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, China.
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59
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60
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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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61
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Fujihara T. Cu-Catalyzed Transformations of 1,3-Dienes: Use of Allyl Copper Intermediates in Functionalization. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.738] [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]
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62
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Fernandes RA, Chandra N, Gangani AJ, Khatun GN. Palladium-Catalyzed Regioselective Intermolecular Hydroalkoxylation of 1-Arylbutadienes. J Org Chem 2022. [PMID: 35895934 DOI: 10.1021/acs.joc.2c01252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient method for the synthesis of (E)-(3-alkoxybut-1-enyl)benzenes by Pd-catalyzed regioselective intermolecular hydroalkoxylation of 1-arylbutadienes has been developed. This method can be executed in a simple operation with no dry reaction conditions required and having tolerance to a wide range of substrates. Chloromethyl methyl ether (MOMCl) as an additive was found to be essential for the success of the reaction.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | - Naveen Chandra
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | - Ashvin J Gangani
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
| | - Gulenur N Khatun
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400076, India
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63
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Huang F, Huang Z, Liu G, Huang Z. Iridium-Catalyzed Selective trans-Semihydrogenation of 1,3-Enynes with Ethanol: Access to ( E,E)-1,4-Diarylbutadienes. Org Lett 2022; 24:5486-5490. [PMID: 35861651 DOI: 10.1021/acs.orglett.2c02327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A trans-semihydrogenation of 1,3-enynes with ethanol as the hydrogen source was developed using a new (PCN)Ir complex as the precatalyst and tBuNH2 as the cocatalyst. This catalyst system provides an efficient and atom-economical access to unsymmetrical (E,E)-1,4-diarylbutadienes with high yields and stereoselectivities. Monitoring the process revealed that a sequence of cis-semihydrogenation of the triple bond of 1,3-enynes (to form (E,Z)-butadienes) and (E,Z)-to-(E,E) isomerization occurs to form (E,E)-butadienes.
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Affiliation(s)
- Fengjie Huang
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
| | - Zhidao Huang
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Guixia Liu
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.,School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
| | - Zheng Huang
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.,School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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64
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Qi YQ, Liu S, Xu Y, Li Y, Su T, Ni HL, Gao Y, Yu W, Cao P, Hu P, Zhao KQ, Wang BQ, Chen B. Nickel-Catalyzed Three-Component Cross-Electrophile Coupling of 1,3-Dienes with Aldehydes and Aryl Bromides. Org Lett 2022; 24:5023-5028. [PMID: 35822901 DOI: 10.1021/acs.orglett.2c01648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We herein report a Ni-catalyzed three-component cross-electrophile coupling of 1,3-dienes with aldehydes and aryl bromides using manganese metal as the reducing agent. This efficient protocol accomplishes dicarbofunctionalization of 1,3-dienes to synthesize diverse structural 1,4-disubstituted homoallylic alcohols by forming two new C-C bonds in one time. Mechanistic study suggests that an allyl-nickel(I) species is involved in the catalytic cycle.
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Affiliation(s)
- Ya-Qiong Qi
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Shuai Liu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Yan Xu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Yang Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Tong Su
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Hai-Liang Ni
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Yuanji Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Wenhao Yu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Peng Cao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Ping Hu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Ke-Qing Zhao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Bi-Qin Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
| | - Bin Chen
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, People's Republic of China
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65
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Deng XH, Jiang JX, Jiang Q, Yang T, Chen B, He L, Chu WD, He CY, Liu QZ. CuH-Catalyzed Enantioselective Reductive Coupling of 1,3-Dienes and Trifluoromethyl Ketoimines or α-Iminoacetates. Org Lett 2022; 24:4586-4591. [PMID: 35714047 DOI: 10.1021/acs.orglett.2c01683] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The intermolecular addition of allylic copper species generated from diene and copper hydride remains elusive. Herein copper hydride catalyzed asymmetric cross reductive coupling of conjugated dienes and ketoimines including trifluoromethyl ketoimines and α-iminoacetates was first achieved using chiral Ph-BPE as the ligand, providing rapid access to structurally and optically enriched homoallylic amines containing two vicinal stereogenic centers with up to 95% yield, 99% ee, and 11:1 diastereoselectivities.
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Affiliation(s)
- Xue-Hua Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Jia-Xi Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Qin Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Ting Yang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Bo Chen
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Long He
- College of Chemistry and Materials Engineering, Guiyang University, Guiyang 550005, China
| | - Wen-Dao Chu
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Cheng-Yu He
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
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66
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Yang LM, Zeng HH, Liu XL, Ma AJ, Peng JB. Copper catalyzed borocarbonylation of benzylidenecyclopropanes through selective proximal C-C bond cleavage: synthesis of γ-boryl-γ,δ-unsaturated carbonyl compounds. Chem Sci 2022; 13:7304-7309. [PMID: 35799816 PMCID: PMC9214919 DOI: 10.1039/d2sc01992b] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/27/2022] [Indexed: 11/23/2022] Open
Abstract
A copper catalyzed borocarbonylation of BCPs via proximal C-C bond cleavage for the synthesis of γ-boryl-γ,δ-unsaturated carbonyl compounds has been developed. Using substituted benzylidenecyclopropanes (BCPs) and chloroformates as starting material, a broad range of γ-boryl-γ,δ-unsaturated esters were prepared in moderate to excellent yields with excellent regio- and stereoselectivity. Besides, when aliphatic acid chlorides were used in this reaction, γ-boryl-γ,δ-unsaturated ketones could be produced in excellent yields. When substituted BCPs were used as substrates, the borocarbonylation occurred predominantly at the proximal C-C bond trans to the phenyl group in a regio- and stereoselective manner, which leads to the Z-isomers as the products. This efficient methodology involves the cleavage of a C-C bond and the formation of a C-C bond as well as a C-B bond, and provides a new method for the proximal C-C bond difunctionalization of BCPs.
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Affiliation(s)
- Li-Miao Yang
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Hui-Hui Zeng
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Xin-Lian Liu
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Ai-Jun Ma
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
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67
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Sakuragi S, Akiba T, Tanahashi T, Fujihara T. Synthesis of Cyclic Allylborates from 1,3-Dienes and a Diboron Reagent. Angew Chem Int Ed Engl 2022; 61:e202202226. [PMID: 35294096 DOI: 10.1002/anie.202202226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 01/16/2023]
Abstract
The synthesis of cyclic allylborates was achieved by the reaction of 1,3-dienes and B2 pin2 using a copper catalyst. Several 1,3-dienes were converted to the corresponding cyclic allylborates in moderate to high yields. The cyclic allylborate obtained could be used in several organic transformations such as allylation of electrophiles and Suzuki-Miyaura coupling.
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Affiliation(s)
- Seiya Sakuragi
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Tomofumi Akiba
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Takumi Tanahashi
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Tetsuaki Fujihara
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
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68
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Sakamoto R, Odagi M, Izumiseki A, Konuki K, Nagasawa K. Stereodivergent Synthesis of 1,3-Dienes via Protodeboronation of Homoallenylboronic Esters. J Org Chem 2022; 87:8084-8098. [PMID: 35671244 DOI: 10.1021/acs.joc.2c00744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Vinylboronic esters and allylboronic esters are well known to afford olefins by protodeboronation, and therefore homoallenylboronic esters should be similarly available as precursors for 1,3-dienes, but this strategy has not been well explored due to the limited availability of homoallenylboronic esters. Here, we describe a versatile synthesis of homoallenylboronic esters via lithiation-borylation and subsequent 1,2-rearrangement. The resulting homoallenylboronic esters were successfully converted into Z- and E-1,3-dienes by protodeboronation using Bu4NF and B(C6F5)3/PhOH, respectively.
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Affiliation(s)
- Ryota Sakamoto
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Minami Odagi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Atsuto Izumiseki
- Research & Development Division, MicroBiopharm Japan Co., Ltd. 156 Nakagawara, Kiyosu, Aichi 452-0915, Japan
| | - Kaname Konuki
- Research & Development Division, MicroBiopharm Japan Co., Ltd. 156 Nakagawara, Kiyosu, Aichi 452-0915, Japan
| | - Kazuo Nagasawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei, Tokyo 184-8588, Japan
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69
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Liu XL, Li L, Lin HZ, Deng JT, Zhang XZ, Peng JB. Copper-catalyzed 1,2-Borylacylation of 1,3-Enynes: synthesis of β-Alkynyl ketones. Chem Commun (Camb) 2022; 58:5968-5971. [PMID: 35475443 DOI: 10.1039/d2cc01732f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A copper catalyzed 1,2-borylacylation of 1,3-enynes with B2pin2 and acid chlorides has been developed. Using readily available 1,3-enynes, B2pin2 and acid chlorides as substrates, a range of highly functionalized α,α-disubstituted β-alkynyl ketones were readily prepared under mild conditions in moderate to good yields. The borylacylated products can be easily derivatized to give several valuable structures. Notably, treatment of the products with NaBO3·4H2O provided 1,2-allenyl ketones, which is proposed to proceed via a retro-aldol process of the corresponding homopropargyl alcohols.
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Affiliation(s)
- Xin-Lian Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
| | - Lin Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
| | - Han-Ze Lin
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
| | - Jing-Tong Deng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
| | - Xiang-Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
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70
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Xu R, Rohde LN, Diver ST. Regioselective Cu-Catalyzed Hydroboration of 1,3-Disubstituted-1,3-Dienes: Functionalization of Conjugated Dienes Readily Accessible through Ene–Yne Metathesis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ruoshui Xu
- Department of Chemistry, University at Buffalo, the State University of New York, Amherst, New York 14260-3000, United States
| | - Laurence N. Rohde
- Department of Chemistry, University at Buffalo, the State University of New York, Amherst, New York 14260-3000, United States
| | - Steven T. Diver
- Department of Chemistry, University at Buffalo, the State University of New York, Amherst, New York 14260-3000, United States
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71
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Szwetkowski C, Slebodnick C, Santos WL. Regio- and stereoselective copper-catalyzed α,β-protoboration of allenoates: access to Z-β,γ-unsaturated β-boryl esters. Org Biomol Chem 2022; 20:3287-3291. [PMID: 35383802 DOI: 10.1039/d2ob00423b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A highly efficient regio- and stereoselective method for allenoate borylation has been developed. Using CuCl and bis(pinacolato)diboron in methanol, a variety of allenoates underwent β-boration and α-protonation to afford the corresponding Z-β,γ-unsaturated β-boryl esters under mild conditions with up to 81% yields.
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Affiliation(s)
- Connor Szwetkowski
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia, 24060, USA.
| | - Carla Slebodnick
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia, 24060, USA.
| | - Webster L Santos
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia, 24060, USA.
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72
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Sakuragi S, Akiba T, Tanahashi T, Fujihara T. Synthesis of Cyclic Allylborates from 1,3‐Dienes and a Diboron Reagent. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202226] [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)
- Seiya Sakuragi
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Tomofumi Akiba
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Takumi Tanahashi
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Tetsuaki Fujihara
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
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73
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Meyer CC, Dubey ZJ, Krische MJ. Enantioselective Iridium-Catalyzed Reductive Coupling of Dienes with Oxetanones and N-Acyl-Azetidinones Mediated by 2-Propanol. Angew Chem Int Ed Engl 2022; 61:e202115959. [PMID: 35119714 PMCID: PMC8940717 DOI: 10.1002/anie.202115959] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 12/26/2022]
Abstract
Cyclometallated iridium-PhanePhos complexes generated in situ from [Ir(cod)Cl]2 and (R)-PhanePhos catalyze 2-propanol-mediated reductive couplings of 2-substituted dienes with oxetanone and N-acyl-azetidinones to form branched homoallylic oxetanols and azetidinols with excellent control of regio- and enantioselectivity without C-C cleavage of the strained ring via enantiotopic π-facial selection of transient allyliridium nucleophiles. This work represents the first systematic study of enantioselective additions to symmetric ketones.
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Affiliation(s)
- Cole C. Meyer
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Zachary J. Dubey
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
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74
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Wang W, He S, Zhong Y, Chen J, Cai C, Luo Y, Xia Y. Cobalt-Catalyzed Z to E Geometrical Isomerization of 1,3-Dienes. J Org Chem 2022; 87:4712-4723. [PMID: 35275485 DOI: 10.1021/acs.joc.1c03164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An efficient cobalt-catalyzed geometrical isomerization of 1,3-dienes is described. In the combination of a CoCl2 precatalyst with an amido-diphosphine-oxazoline ligand, the geometrical isomerization of E/Z mixtures of 1,3-dienes proceed in a stereoconvergent manner, affording (E) isomers in high stereoselectivity. This facile transformation features a broad substrate scope with good functional group tolerance and could be scaled up to the gram scale smoothly with a catalyst loading of 1 mol %.
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Affiliation(s)
- Wei Wang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Shuying He
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yuqing Zhong
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jianhui Chen
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Cheng Cai
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yanshu Luo
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
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75
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Yu W, Jiao X, Fan Y, Zhu S, Chu L. Metallaphotoredox‐Enabled Intermolecular Carbobromination of Alkynes with Alkenyl Bromides. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200096] [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)
- Wei Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Xiaorui Jiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Yanmin Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Shengqing Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
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76
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Xue S, Cristòfol À, Limburg B, Zeng Q, Kleij AW. Dual Cobalt/Organophotoredox Catalysis for Diastereo- and Regioselective 1,2-Difunctionalization of 1,3-Diene Surrogates Creating Quaternary Carbon Centers. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00660] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Sijing Xue
- Institute of Chemical Research of Catalonia (ICIQ), the Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Àlex Cristòfol
- Institute of Chemical Research of Catalonia (ICIQ), the Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Bart Limburg
- Institute of Chemical Research of Catalonia (ICIQ), the Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Qian Zeng
- Institute of Chemical Research of Catalonia (ICIQ), the Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ), the Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- Catalan Institute of Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
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77
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Krische MJ, Meyer CC, Dubey ZJ. Enantioselective Iridium‐Catalyzed Reductive Coupling of Dienes with Oxetanones and N‐Acyl‐Azetidinones Mediated by 2‐Propanol. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Michael Joseph Krische
- University of Texas at Austin Chemistry and Biochemistry 105 E 24TH ST. STOP A5300 78712 Austin UNITED STATES
| | - Cole C. Meyer
- The University of Texas at Austin Chemistry UNITED STATES
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78
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Liu H, Han YF, Gao ZH, Zhang CL, Wang C, Ye S. Cooperative N-Heterocyclic Carbene/Nickel-Catalyzed Hydroacylation of 1,3-Dienes with Aldehydes in Water. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05517] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Hao Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - You-Feng Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhong-Hua Gao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chun-Lin Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Congyang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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79
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Abstract
This review highlights the hydroelementation reactions of conjugated and separated diynes, which depending on the process conditions, catalytic system, as well as the type of reagents, leads to the formation of various products: enynes, dienes, allenes, polymers, or cyclic compounds. The presence of two triple bonds in the diyne structure makes these compounds important reagents but selective product formation is often difficult owing to problems associated with maintaining appropriate reaction regio- and stereoselectivity. Herein we review this topic to gain knowledge on the reactivity of diynes and to systematise the range of information relating to their use in hydroelementation reactions. The review is divided according to the addition of the E-H (E = Mg, B, Al, Si, Ge, Sn, N, P, O, S, Se, Te) bond to the triple bond(s) in the diyne, as well as to the type of the reagent used, and the product formed. Not only are the hydroelementation reactions comprehensively discussed, but the synthetic potential of the obtained products is also presented. The majority of published research is included within this review, illustrating the potential as well as limitations of these processes, with the intent to showcase the power of these transformations and the obtained products in synthesis and materials chemistry.
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Affiliation(s)
- Jędrzej Walkowiak
- Adam Mickiewicz University in Poznan, Center for Advanced Technology, Uniwersytetu Poznanskiego 10, 61-614, Poznan.
| | - Jakub Szyling
- Adam Mickiewicz University in Poznan, Center for Advanced Technology, Uniwersytetu Poznanskiego 10, 61-614, Poznan. .,Adam Mickiewicz University in Poznan, Faculty of Chemistry, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland
| | - Adrian Franczyk
- Adam Mickiewicz University in Poznan, Center for Advanced Technology, Uniwersytetu Poznanskiego 10, 61-614, Poznan.
| | - Rebecca L Melen
- Cardiff Catalysis Institute, Cardiff University, School of Chemistry, Park Place, Main Building, Cardiff CF10 3AT, Cymru/Wales, UK.
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80
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Zhang Y, Wang H, Mao Y, Shi S. Ni-Catalyzed Three-Component Coupling Reaction of Butadiene,Aldimines and Alkenylboronic Acids. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202110042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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81
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Fu C, Zhang ZS, Li Y, Gao D, Cui ZN, Li Z. Diversity-Oriented Synthesis of Fluoroalkylated Amines via Palladium-Catalyzed Divergent Fluoroalkylamination of 1,3-Dienes. Chem Commun (Camb) 2022; 58:5614-5617. [DOI: 10.1039/d2cc00983h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we reported the first versatile and expeditious protocol for the diversity-oriented synthesis (DOS) of fluoroalkylated amines via the photoinduced palladium-catalyzed cross coupling of 1,3-dienes, amines and fluoroalkyl iodides, which...
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82
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Hu Y, Hu L, Gao H, Lv X, Wu Y, Lu G. Computational study of Cu-catalyzed 1,2-hydrocarboxylation of 1,3-dienes with CO2: Pauli repulsion-controlled regioselectivity of Cu–Bpin additions. Org Chem Front 2022. [DOI: 10.1039/d2qo00236a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The mechanism and origin of regioselectivity of Cu-catalyzed 1,2-hydrocarboxylation of 1,3-dienes with CO2 were computationally investigated. The results show that CO2 not only acts as a carboxylation reagent, but also...
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83
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Nanda SK, Mallik R. 1,2-Difunctionalizations of alkynes entailing concomitant C–C and C–N bond-forming carboamination reactions. RSC Adv 2022; 12:5847-5870. [PMID: 35424576 PMCID: PMC8981577 DOI: 10.1039/d1ra06633a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 01/30/2022] [Indexed: 12/20/2022] Open
Abstract
Vicinal carboamination of alkynes is a highly reliable and efficient practical strategy for the quick preparation of valuable and diverse amine derivatives starting from simple synthons. The last decade has witnessed numerous practical methods employing transition-metal-based/metal-free carboamination approaches using alkynes for the synthesis of these N-bearing entities. Driven by the renaissance of transition metal catalysis, intermolecular and intramolecular carboamination of alkynes comprising concomitant C–N and C–C bond formation has been studied extensively. In contrast to metal catalysis, though analogous metal-free approaches have been relatively less explored in the literature, they serve as alternatives to these expensive approaches. Despite this significant progress, reviews documenting such examples are sporadic; as a result, most reports of this type remained scattered throughout the literature, thereby hampering further developments in this escalating field. In this review, different conceptual approaches will be discussed and examples from the literature will be presented. Further, the reader will get insight into the mechanisms of different transformations. The 1,2-difunctionalization of alkynes happening through concomitant C–C and C–N bond formation strategies have provide an unified access to diversely functionalized N-bearing heterocycles.![]()
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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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84
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Lu JL, Kang Y, Zhang Z, Huang YA, Tan LQ, Zhang XZ, Peng JB. A palladium catalyzed stereo-convergent aminocarbonylation of 1,3-dienes with nitroarenes: synthesis of ( E, E)-dienamides. Org Chem Front 2022. [DOI: 10.1039/d2qo01478e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A palladium catalyzed stereo-convergent aminocarbonylation of 1,3-dienes with nitroarenes has been developed. The reaction of mixtrues of E/Z isomers of 1,3-dienes reacted with nitroarenes and produced (E,E)-dienamides with high stereoselectivities.
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Affiliation(s)
- Jin-Liang Lu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Yun Kang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Yin-Ai Huang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Lu-Qi Tan
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Xiang-Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China
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85
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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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86
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Wang H, Liu CF, Tan TD, Khoo KRB, Koh MJ. N-Heterocyclic Carbene–Nickel-Catalyzed Regioselective Diarylation of Aliphatic-1,3-Dienes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04766] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hongyu Wang
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Republic of Singapore 117544, Republic of Singapore
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Chen-Fei Liu
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Republic of Singapore 117544, Republic of Singapore
| | - Tong-De Tan
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Republic of Singapore 117544, Republic of Singapore
- Institute of New Materials & Industry Technology, College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Kyna Ru Bin Khoo
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Republic of Singapore 117544, Republic of Singapore
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Republic of Singapore 117544, Republic of Singapore
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87
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Han LJ, Rao CS, Ma SS, Sheng GY, Zhang JP, Xu BH. Palladium-Catalyzed Methoxycarbonylation of 1,3-Butadiene to Methyl-3-Pentenoate: Introduction of a Continuous Process. J Catal 2021. [DOI: 10.1016/j.jcat.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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88
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Ma S, Li F, Zhang G, Shi L, Wang X. Highly Regioselective Difluoroalkylarylation of Butadiene through a Nickel-Catalyzed Tandem Radical Process. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Shucheng Ma
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, (People’s Republic of China)
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
| | - Fangjie Li
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmacology, Hengyang Medical School, University of South China, Hengyang 421001, People’s Republic of China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, (People’s Republic of China)
| | - Lei Shi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, 46 East of Construction Road, Xinxiang, Henan 453007, (People’s Republic of China)
| | - Xiaoming Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People’s Republic of China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, People’s Republic of China
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89
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Hou CJ, Schuppe AW, Knippel JL, Ni AZ, Buchwald SL. A Dual CuH- and Pd-Catalyzed Stereoselective Synthesis of Highly Substituted 1,3-Dienes. Org Lett 2021; 23:8816-8821. [PMID: 34726414 PMCID: PMC9212073 DOI: 10.1021/acs.orglett.1c03324] [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: 11/30/2022]
Abstract
Conjugated dienes are versatile building blocks and prevalent substructures in synthetic chemistry. Herein, we report a method for the stereoselective hydroalkenylation of alkynes, utilizing readily available enol triflates. We leveraged an in situ-generated and geometrically pure vinyl-Cu(I) species to form the Z,Z- or Z,E-1,3-dienes in excellent stereoselectivity and yield. This approach allowed for the synthesis of highly substituted Z-dienes, including pentasubstituted 1,3-dienes, which are difficult to prepare by existing approaches.
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Affiliation(s)
- Chuan-Jin Hou
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Alexander W Schuppe
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - James Levi Knippel
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Anton Z Ni
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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90
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Wang C, Guo Y, Wang X, Wang Z, Ding K. Ni-Catalyzed Regioselective Hydroarylation of 1-Aryl-1,3-Butadienes with Aryl Halides. Chemistry 2021; 27:15903-15907. [PMID: 34506052 DOI: 10.1002/chem.202102847] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Indexed: 11/11/2022]
Abstract
An efficient nickel-catalyzed regioselective hydroarylation of 1,3-dienes with aryl halides and a silane has been developed, affording a range of allylic arenes in good to excellent yields under mild conditions. This method exhibits broad substrate scope, and excellent functional group tolerance. Late-stage modification of complex architectures was demonstrated.
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Affiliation(s)
- Chengdong Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontier Science Center for Transformative Molecules School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Yingjie Guo
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Xiaoming Wang
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Zheng Wang
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Kuiling Ding
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Frontier Science Center for Transformative Molecules School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.,State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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91
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Talbot FJT, Zhang S, Satpathi B, Howell GP, Perry GJP, Crisenza GEM, Procter DJ. Modular Synthesis of Stereodefined Benzocyclobutene Derivatives via Sequential Cu- and Pd-Catalysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04496] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fabien J. T. Talbot
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Shibo Zhang
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Bishnupada Satpathi
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Gareth P. Howell
- Chemical Development, Pharmaceutical Technology and Development, Operations, AstraZeneca, Silk Road Business Park, Macclesfield SK10 2NA, U.K
| | - Gregory J. P. Perry
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | | | - David J. Procter
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
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92
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Bose SK, Mao L, Kuehn L, Radius U, Nekvinda J, Santos WL, Westcott SA, Steel PG, Marder TB. First-Row d-Block Element-Catalyzed Carbon-Boron Bond Formation and Related Processes. Chem Rev 2021; 121:13238-13341. [PMID: 34618418 DOI: 10.1021/acs.chemrev.1c00255] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Organoboron reagents represent a unique class of compounds because of their utility in modern synthetic organic chemistry, often affording unprecedented reactivity. The transformation of the carbon-boron bond into a carbon-X (X = C, N, and O) bond in a stereocontrolled fashion has become invaluable in medicinal chemistry, agrochemistry, and natural products chemistry as well as materials science. Over the past decade, first-row d-block transition metals have become increasingly widely used as catalysts for the formation of a carbon-boron bond, a transformation traditionally catalyzed by expensive precious metals. This recent focus on alternative transition metals has enabled growth in fundamental methods in organoboron chemistry. This review surveys the current state-of-the-art in the use of first-row d-block element-based catalysts for the formation of carbon-boron bonds.
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Affiliation(s)
- Shubhankar Kumar Bose
- Centre for Nano and Material Sciences (CNMS), Jain University, Jain Global Campus, Bangalore-562112, India
| | - Lujia Mao
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, 571199 Haikou, Hainan, P. R. China
| | - Laura Kuehn
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Udo Radius
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Jan Nekvinda
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Webster L Santos
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Stephen A Westcott
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Patrick G Steel
- Department of Chemistry, University of Durham, Science Laboratories South Road, Durham DH1 3LE, U.K
| | - Todd B Marder
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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93
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Burg F, Rovis T. Diastereoselective Three-Component 3,4-Amino Oxygenation of 1,3-Dienes Catalyzed by a Cationic Heptamethylindenyl Rhodium(III) Complex. J Am Chem Soc 2021; 143:17964-17969. [PMID: 34668705 DOI: 10.1021/jacs.1c09276] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The direct oxyamination of olefins is a compelling tool to rapidly access β-amino alcohols-a privileged motif ubiquitous in natural products, pharmaceuticals and agrochemicals. Although a variety of expedient methods are established for simple alkenes, selective amino oxygenation of 1,3-dienes is less explored. Within this context, methods for the oxyamination of 1,3-dienes that are selective for the internal position remain unprecedented. We herein report a modular three-component approach to perform an internal and highly diastereoselective amino oxygenation of 1,3-dienes catalyzed by a cationic heptamethylindenyl (Ind*) Rh(III) complex.
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Affiliation(s)
- Finn Burg
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Tomislav Rovis
- Department of Chemistry, Columbia University, New York, New York 10027, United States
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94
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Wang PZ, Wu X, Cheng Y, Jiang M, Xiao WJ, Chen JR. Photoinduced Copper-Catalyzed Asymmetric Three-Component Coupling of 1,3-Dienes: An Alternative to Kharasch-Sosnovsky Reaction. Angew Chem Int Ed Engl 2021; 60:22956-22962. [PMID: 34405935 DOI: 10.1002/anie.202110084] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Indexed: 11/10/2022]
Abstract
Kharasch-Sosnovsky reaction is one of the most powerful methods for allylic oxidation of alkenes. However, the inherent radical mechanism and use of peroxides as both oxidants and oxygen nucleophiles render dearth of universal catalytic systems for highly enantioselective variants and limited scope. Herein, an alternative to the asymmetric Kharasch-Sosnovsky reaction that utilized a chiral copper catalyst and purple-LED irradiation to enable the three-component coupling of 1,3-dienes, oxime esters, and carboxylic acids is reported. This protocol features mild conditions, remarkable scope and functional group tolerance as evidenced by >80 examples and utility in the late-stage modification of pharmaceuticals and natural products. Detailed mechanistic studies provide evidences for the radical-based reaction pathway.
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Affiliation(s)
- Peng-Zi Wang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Xue Wu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Ying Cheng
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Min Jiang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, 310036, China
| | - Wen-Jing Xiao
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, China.,State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Jia-Rong Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticides & Chemical Biology Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei, 430079, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
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95
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Zheng D, Jana K, Alasmary FA, Daniliuc CG, Studer A. Transition-Metal-Free Intramolecular Radical Aminoboration of Unactivated Alkenes. Org Lett 2021; 23:7688-7692. [PMID: 34542297 DOI: 10.1021/acs.orglett.1c03024] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient transition-metal-free cyclizing radical aminoboration of unactivated alkenes is reported. The B2(OH)4 reagent was used as the boron source, and the interaction between B2(OH)4 and an aryloxyamide N-radical precursor enabled the chain reaction to be initiated upon irradiation in the absence of any catalyst. This transformation proceeds via cyclization of an N-radical with subsequent intermolecular C-radical borylation. The cascade shows a broad scope and provides a wide range of high-value cyclic 1,2-aminoboronic esters.
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Affiliation(s)
- Danqing Zheng
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, Corrensstraβe 40, 48149 Münster, Germany.,State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, 210009 Nanjing, China
| | - Kalipada Jana
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, Corrensstraβe 40, 48149 Münster, Germany
| | - Fatmah Ali Alasmary
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Constantin G Daniliuc
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, Corrensstraβe 40, 48149 Münster, Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, Corrensstraβe 40, 48149 Münster, Germany.,Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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96
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Zhang H, Shen C, Xu Z, Tian X, Dong K. Improving the performance of palladium-catalysed telomerization of 1,3-butadiene by metallocene-based phosphine ligand. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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97
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Xiang M, Pfaffinger DE, Krische MJ. Allenes and Dienes as Chiral Allylmetal Pronucleophiles in Catalytic Enantioselective C=X Addition: Historical Perspective and State-of-The-Art Survey. Chemistry 2021; 27:13107-13116. [PMID: 34185926 PMCID: PMC8446312 DOI: 10.1002/chem.202101890] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Indexed: 12/18/2022]
Abstract
The use of allenes and 1,3-dienes as chiral allylmetal pronucleophiles in intermolecular catalytic enantioselective reductive additions to aldehydes, ketones, imines, carbon dioxide and other C=X electrophiles is exhaustively catalogued together with redox-neutral hydrogen auto-transfer processes. Coverage is limited to processes that result in both C-H and C-C bond formation. The use of alkynes as latent allylmetal pronucleophiles and multicomponent C=X allylations involving allenes and dienes is not covered. As illustrated in this review, the ability of allenes and 1,3-dienes to serve as tractable non-metallic pronucleophiles has evoked many useful transformations that have no counterpart in traditional allylmetal chemistry.
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Affiliation(s)
- Ming Xiang
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Dana E. Pfaffinger
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
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98
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Chen M. Cu-catalyzed coupling of vinylidene cyclopropanes with allyl and allenyl boronates. Chem Commun (Camb) 2021; 57:9212-9215. [PMID: 34519300 DOI: 10.1039/d1cc03823k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of Cu-catalyzed coupling of vinylidene cyclopropanes with allyl or allenyl boronates is reported. The reaction forms a C-C bond at the terminal carbon atom of the allene moiety of vinylidene cyclopropanes with concurrent opening of the cyclopropane ring. In addition, the resulting Cu-enolate intermediate can be intercepted by external electrophiles.
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Affiliation(s)
- Ming Chen
- Department of Chemistry and Biochemistry, Auburn University, Auburn, 36849, USA.
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99
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Yoon WS, Han JT, Yun J. Divergent Access to Benzocycles through Copper‐Catalyzed Borylative Cyclizations. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Wan Seok Yoon
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
| | - Jung Tae Han
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
| | - Jaesook Yun
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
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100
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Wang P, Wu X, Cheng Y, Jiang M, Xiao W, Chen J. Photoinduced Copper‐Catalyzed Asymmetric Three‐Component Coupling of 1,3‐Dienes: An Alternative to Kharasch–Sosnovsky Reaction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110084] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Peng‐Zi Wang
- CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Xue Wu
- CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Ying Cheng
- CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
| | - Min Jiang
- College of Materials Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou 310036 China
| | - Wen‐Jing Xiao
- CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China
| | - Jia‐Rong Chen
- CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides & Chemical Biology Ministry of Education College of Chemistry Central China Normal University 152 Luoyu Road Wuhan Hubei 430079 China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 China
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