1
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Zhou J, Chen P, Liang G, Zhou J, Ou J, Zhou P, Wang T, Zhang D, Zhou H. Heterobimetallic Zinc/Strontium Catalysis: Z/ E-Selective Asymmetric Conjugate Addition of 3-Acetoxy-2-oxindoles to Alkynones. J Org Chem 2024; 89:12307-12317. [PMID: 39190123 DOI: 10.1021/acs.joc.4c01256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
A chiral Zn-Sr heterobimetallic catalyst system generated in situ has been developed for the first highly Z/E-selective asymmetric conjugate addition of 3-acetoxy-2-oxindoles to alkynones. Both terminal alkynones and nonterminal alkynones could be applied to the heterobimetallic catalytic system. The corresponding 3-alkenyl-3-acyloxy-2-oxindoles were obtained in moderate to excellent yields (55-99%) with high E:Z ratios (8:1-30:1) and high enantioselectivities (86-99% ee).
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Affiliation(s)
- Junyu Zhou
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Peng Chen
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Guojuan Liang
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Jing Zhou
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Jianhua Ou
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Pengfei Zhou
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Tao Wang
- Joint Training Base for Pharmacy Postgraduate Students of Chongqing Medical University and Chongqing Medleader Bio-Pharm Company, Ltd., Chongqing 400016, China
| | - Dong Zhang
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Hui Zhou
- Chongqing Research Center for Pharmaceutical Engineering, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
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2
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Kozhummal H, Das SK, Cooze CJC, Lundgren RJ. Enantio- and Z-Selective δ-Hydroarylation of Aryl-Substituted 1,3-Dienes via Rh-Catalyzed Conjugate Addition. Angew Chem Int Ed Engl 2024; 63:e202406102. [PMID: 38753742 DOI: 10.1002/anie.202406102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 05/18/2024]
Abstract
Metal-catalyzed enantioselective conjugate arylations of electron-poor alkenes are highly selective processes for C(sp2)-C(sp3) bond formation. δ-Selective hydroarylations of electron-poor 1,3-dienes are less well developed and reactions that deliver high enantioselectivity while giving single alkene isomer products are elusive. Here we report the Rh-catalyzed δ-arylation of aryl-substituted 1,3-dienes that gives nearly exclusive Z-1,4-addition products (generally with >95 : 5 positional and geometrical selectivity). This remote functionalization provides access to chiral diarylated alkenes from readily available precursors poised for further functionalization, including in the synthesis of bioactive molecules. Mechanistic studies suggest that protonolysis of a Rh-allyl intermediate generated by diene insertion into a Rh-aryl is the turnover limiting step and occurs by an inner-sphere proton transfer pathway.
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Affiliation(s)
- Hima Kozhummal
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Sandip Kumar Das
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | | | - Rylan J Lundgren
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
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3
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Suzuki H, Moro R, Matsuda T. Palladium-Catalyzed anti-Michael-Type (Hetero)arylation of Acrylamides. J Am Chem Soc 2024; 146:13697-13702. [PMID: 38742920 DOI: 10.1021/jacs.4c00841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
This paper reports a direct α-(hetero)arylation of acrylamides through an inverse electron-demand nucleophilic addition, specifically an anti-Michael-type addition. The introduction of a quinolyl directing group facilitates the nucleophilic addition of (hetero)arenes to the α-position of acrylamides. The quinolyl directing group effectively suppresses undesired β-hydrogen elimination and is removable for subsequent derivatization. The presented method provides an atom economical synthesis of α-(hetero)arylamide with a high degree of functional group tolerance.
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Affiliation(s)
- Hirotsugu Suzuki
- Tenure-Track Program for Innovative Research, University of Fukui, 3-9-1 Bunkyo, Fukui-shi, Fukui 910-8507, Japan
| | - Ryota Moro
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Takanori Matsuda
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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4
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Galeote O, Kennington SCD, Benedito G, Fraedrich L, Davies-Howe E, Costa AM, Romea P, Urpí F, Aullón G, Font-Bardia M, Puigjaner C. Direct, Stereodivergent, and Catalytic Michael Additions of Thioimides to α,β-Unsaturated Aldehydes - Total Synthesis of Tapentadol. Angew Chem Int Ed Engl 2024; 63:e202319308. [PMID: 38231568 DOI: 10.1002/anie.202319308] [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: 12/14/2023] [Revised: 01/17/2024] [Accepted: 01/17/2024] [Indexed: 01/18/2024]
Abstract
Direct and stereodivergent Michael additions of N-acyl 1,3-thiazinane-2-thiones to α,β-unsaturated aldehydes catalyzed by chiral nickel(II) complexes are reported. The reactions proceed with a remarkable regio-, diastereo-, and enantioselectivity, so access to any of the four potential Michael stereoisomers is granted through the appropriate choice of the chiral ligand of the nickel(II) complex. Simple removal of the heterocyclic scaffold furnishes a wide array of either syn or anti enantiomerically pure derivatives, which can be exploited for the asymmetric synthesis of biologically active compounds, as demonstrated in a new approach to tapentadol. In turn, a mechanism, based on theoretical calculations, is proposed to account for the stereochemical outcome of these transformations.
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Affiliation(s)
- Oriol Galeote
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Stuart C D Kennington
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Gabriela Benedito
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Lena Fraedrich
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Evan Davies-Howe
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Anna M Costa
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Pedro Romea
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Fèlix Urpí
- Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, Institut de Biomedicina de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Gabriel Aullón
- Department of Inorganic and Organic Chemistry, Section of Inorganic Chemistry and Institut de Química Teòrica i Computacional de la Universitat de Barcelona, Universitat de Barcelona, Carrer Martí i Franqués 1-11, 08028, Barcelona, Spain
| | - Mercè Font-Bardia
- X-Ray Diffraction Unity, CCiTUB, Universitat de Barcelona, Carrer Solé i Sabarís 1-3, 08028, Barcelona, Spain
| | - Cristina Puigjaner
- X-Ray Diffraction Unity, CCiTUB, Universitat de Barcelona, Carrer Solé i Sabarís 1-3, 08028, Barcelona, Spain
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5
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Thiyagarajan S, Diskin-Posner Y, Montag M, Milstein D. Manganese-catalyzed base-free addition of saturated nitriles to unsaturated nitriles by template catalysis. Chem Sci 2024; 15:2571-2577. [PMID: 38362414 PMCID: PMC10866344 DOI: 10.1039/d3sc04935c] [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: 09/19/2023] [Accepted: 01/08/2024] [Indexed: 02/17/2024] Open
Abstract
The coupling of mononitriles into dinitriles is a desirable strategy, given the prevalence of nitrile compounds and the synthetic and industrial utility of dinitriles. Herein, we present an atom-economical approach for the heteroaddition of saturated nitriles to α,β- and β,γ-unsaturated mononitriles to generate glutaronitrile derivatives using a catalyst based on earth-abundant manganese. A broad range of such saturated and unsaturated nitriles were found to undergo facile heteroaddition with excellent functional group tolerance, in a reaction that proceeds under mild and base-free conditions using low catalyst loading. Mechanistic studies showed that this unique transformation takes place through a template-type pathway involving an enamido complex intermediate, which is generated by addition of a saturated nitrile to the catalyst, and acts as a nucleophile for Michael addition to unsaturated nitriles. This work represents a new application of template catalysis for C-C bond formation.
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Affiliation(s)
- Subramanian Thiyagarajan
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science Rehovot 7610001 Israel
| | - Yael Diskin-Posner
- Department of Chemical Research Support, Weizmann Institute of Science Rehovot 7610001 Israel
| | - Michael Montag
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science Rehovot 7610001 Israel
| | - David Milstein
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science Rehovot 7610001 Israel
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6
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Sherman ER, Cassels WR, Johnson JS. Crystallization-Enabled Stereoconvergent Michael Additions of β-Keto Esters to Nitroolefins. Org Lett 2023; 25:6779-6783. [PMID: 37669540 PMCID: PMC10586059 DOI: 10.1021/acs.orglett.3c02799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Asymmetric Michael additions are powerful tools to meet the growing need for stereochemically complex products. While 1,3-dicarbonyls are common nucleophiles, the successful use of configurationally unstable β-keto esters in diastereoselective variants remains understudied. In this Letter, crystalline β-keto esters were leveraged in a two-phase, one-pot merger of an asymmetric Michael addition with a crystallization-induced diastereomer transformation. Tuning the crystallinity of β-keto ester adducts enabled stereoconvergence of the products, which were isolated by filtration.
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Affiliation(s)
- Emily R Sherman
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - William R Cassels
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Jeffrey S Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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7
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Mudráková B, Marcia de Figueiredo R, Campagne JM, Šebesta R. Asymmetric tandem conjugate addition and reaction with carbocations on acylimidazole Michael acceptors. Beilstein J Org Chem 2023; 19:881-888. [PMID: 37346500 PMCID: PMC10280057 DOI: 10.3762/bjoc.19.65] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/06/2023] [Indexed: 06/23/2023] Open
Abstract
We present here a stereoselective tandem reaction based on the asymmetric conjugate addition of dialkylzinc reagents to unsaturated acylimidazoles followed by trapping of the intermediate zinc enolate with carbocations. The use of a chiral NHC ligand provides chiral zinc enolates in high enantiomeric purities. These enolates are reacted with highly electrophilic onium compounds to afford densely substituted acylimidazoles. DFT calculations helped to understand the reactivity of the zinc enolates derived from acylimidazoles and allowed their comparison with metal enolates obtained by other conjugate addition reactions.
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Affiliation(s)
- Brigita Mudráková
- Comenius University Bratislava, Faculty of Natural Sciences, Department of Organic Chemistry, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | | | | | - Radovan Šebesta
- Comenius University Bratislava, Faculty of Natural Sciences, Department of Organic Chemistry, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
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8
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Yu S, Cai Q, Li J, Yu T, Liang J, Jiao Z, Yao C, Li YM. Enantioselective Michael addition of malonates to β,γ-unsaturated α-ketoesters catalysed by Cu(II) complexes bearing binaphthyl-proline hybrid ligands. Org Biomol Chem 2023; 21:1764-1770. [PMID: 36723244 DOI: 10.1039/d2ob02305a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
High yields (up to 96%) and high ee (up to 92%) were achieved for chiral copper(II) complex-catalysed enantioselective Michael addition of malonates to β,γ-unsaturated-α-ketoesters. The chiral ligands took advantage of both the binaphthyl and the proline moieties, and substituents with different electronic and steric features could be tolerated. The reactions could be carried out under mild conditions, and a gram scale reaction could be realised without the loss of yield and enantioselectivity.
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Affiliation(s)
- Shibo Yu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Qihang Cai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Jiahui Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Tianxu Yu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Jiemian Liang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Zilin Jiao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Chao Yao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
| | - Yue-Ming Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China.
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9
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Samanta S, Cui J, Noda H, Watanabe T, Shibasaki M. Asymmetric Syn-Selective Vinylogous Addition of Butenolides to Chromones via Al-Li-BINOL Catalysis. J Org Chem 2023; 88:1177-1184. [PMID: 36622901 DOI: 10.1021/acs.joc.2c02731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A gram-scale syn-selective asymmetric vinylogous addition of butenolides to chromones, catalyzed by an Al-Li-BINOL (ALB) complex, was developed in this study. For various combinations of substrates, the observed diastereoselectivity approached 20:1 with 84-98% ee. This protocol is complementary to previously reported ones and improves the selectivity for several chromones. This methodology can be applied to a quinolone substrate, affording another type of heterocyclic scaffolds substituted with five-membered lactones. Computational studies support the role of ALB as a bifunctional catalyst in this reaction and provide insights into the origin of the observed stereoselectivity.
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Affiliation(s)
| | - Jin Cui
- Institute of Microbial Chemistry, Tokyo 141-0021, BIKAKEN, Japan
| | - Hidetoshi Noda
- Institute of Microbial Chemistry, Tokyo 141-0021, BIKAKEN, Japan
| | - Takumi Watanabe
- Institute of Microbial Chemistry, Tokyo 141-0021, BIKAKEN, Japan
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10
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Peng X, Rahim A, Peng W, Jiang F, Gu Z, Wen S. Recent Progress in Cyclic Aryliodonium Chemistry: Syntheses and Applications. Chem Rev 2023; 123:1364-1416. [PMID: 36649301 PMCID: PMC9951228 DOI: 10.1021/acs.chemrev.2c00591] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 01/18/2023]
Abstract
Hypervalent aryliodoumiums are intensively investigated as arylating agents. They are excellent surrogates to aryl halides, and moreover they exhibit better reactivity, which allows the corresponding arylation reactions to be performed under mild conditions. In the past decades, acyclic aryliodoniums are widely explored as arylation agents. However, the unmet need for acyclic aryliodoniums is the improvement of their notoriously low reaction economy because the coproduced aryl iodides during the arylation are often wasted. Cyclic aryliodoniums have their intrinsic advantage in terms of reaction economy, and they have started to receive considerable attention due to their valuable synthetic applications to initiate cascade reactions, which can enable the construction of complex structures, including polycycles with potential pharmaceutical and functional properties. Here, we are summarizing the recent advances made in the research field of cyclic aryliodoniums, including the nascent design of aryliodonium species and their synthetic applications. First, the general preparation of typical diphenyl iodoniums is described, followed by the construction of heterocyclic iodoniums and monoaryl iodoniums. Then, the initiated arylations coupled with subsequent domino reactions are summarized to construct polycycles. Meanwhile, the advances in cyclic aryliodoniums for building biaryls including axial atropisomers are discussed in a systematic manner. Finally, a very recent advance of cyclic aryliodoniums employed as halogen-bonding organocatalysts is described.
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Affiliation(s)
- Xiaopeng Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
| | - Abdur Rahim
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Weijie Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Feng Jiang
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Zhenhua Gu
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Shijun Wen
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
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11
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Sachdeva G, Vaya D, Srivastava CM, Kumar A, Rawat V, Singh M, Verma M, Rawat P, Rao GK. Calix[n]arenes and its derivatives as organocatalysts. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Zhang W, Tang CS, Xiang SQ. Condensation of acrylonitrile and aryl acetonitrile: construction of α-amino-β-cyano cyclohexene skeletons. RSC Adv 2022; 12:29840-29843. [PMID: 36321094 PMCID: PMC9578340 DOI: 10.1039/d2ra04936h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
A representative condensation of acrylonitrile and aryl acetonitrile has been reported for the synthesis of α-amino-β-cyano cyclohexene. The reaction was carried out mildly in an open environment at room temperature. The scope and versatility of the method have been demonstrated with 20 examples, containing highly active ethynyl groups. Further applications for 4-aminopyrimidine compounds were performed. A mechanism was proposed, involving Michael additions between acrylonitrile and aryl acetonitriles as well as intramolecular condensation.
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Affiliation(s)
- Wei Zhang
- Chongqing University of Science and TechnologyChongqing401331China
| | | | - Shi-Qun Xiang
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Jilin Normal University, Ministry of EducationChangchun130103China,College of Chemistry, Jilin Normal UniversitySiping136000China
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13
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Qiu ZW, Long L, Zhu ZQ, Liu HF, Pan HP, Ma AJ, Peng JB, Wang YH, Gao H, Zhang XZ. Asymmetric Three-Component Reaction to Assemble the Acyclic All-Carbon Quaternary Stereocenter via Visible Light and Phosphoric Acid Catalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03879] [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)
- Zong-Wang Qiu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Liang Long
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education of China (MOE), Jinan University, Guangzhou 510632, China
| | - Zhi-Qiang Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Hong-Fu Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Han-Peng Pan
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Ai-Jun Ma
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
| | - Yong-Heng Wang
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education of China (MOE), Jinan University, Guangzhou 510632, China
| | - Hao Gao
- Institute of Traditional Chinese Medicine & Natural Products, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education of China (MOE), Jinan University, Guangzhou 510632, China
| | - Xiang-Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong, China
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14
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Afanasyev OI, Kliuev FS, Tsygankov AA, Nelyubina YV, Gutsul E, Novikov VV, Chusov D. Fluoride Additive as a Simple Tool to Qualitatively Improve Performance of Nickel-Catalyzed Asymmetric Michael Addition of Malonates to Nitroolefins. J Org Chem 2022; 87:12182-12195. [PMID: 36069733 DOI: 10.1021/acs.joc.2c01339] [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
Nowadays, design of the new chiral ligands for organometallic catalysts is often based on the step-by-step increase in their complexity to improve efficiency. Herein we describe that simple in situ addition of the fluoride source to the asymmetric organometallic catalyst can improve not only activity but also enantioselectivity. Bromide-nickel diimine complexes were found to catalyze asymmetric Michael addition in low yields and ee, but activation with fluoride leads to a significant improvement in catalyst performance. The developed approach was applied to prepare several enantioenriched GABA analogues.
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Affiliation(s)
- Oleg I Afanasyev
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
| | - Fedor S Kliuev
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation.,National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Alexey A Tsygankov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
| | - Yulia V Nelyubina
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation.,Bauman Moscow State Technical University, Baumanskaya Str., 5, 105005 Moscow, Russia
| | - Evgenii Gutsul
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
| | - Valentin V Novikov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation.,National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Denis Chusov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation.,National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
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15
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He FS, Zhang C, Jiang M, Lou L, Wu J, Ye S. Access to chiral β-sulfonyl carbonyl compounds via photoinduced organocatalytic asymmetric radical sulfonylation with sulfur dioxide. Chem Sci 2022; 13:8834-8839. [PMID: 35975150 PMCID: PMC9350669 DOI: 10.1039/d2sc02497g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/04/2022] [Indexed: 01/07/2023] Open
Abstract
An organocatalytic enantioselective radical reaction of potassium alkyltrifluoroborates, DABCO·(SO2)2 and α,β-unsaturated carbonyl compounds under photoinduced conditions is developed, which provides an efficient pathway for the synthesis of chiral β-sulfonyl carbonyl compounds in good yields with excellent enantioselectivity (up to 96% ee). Aside from α,β-unsaturated carbonyl compounds with auxiliary groups, common chalcone substrates are also well compatible with this organocatalytic system. This method proceeds through an organocatalytic enantioselective radical sulfonylation under photoinduced conditions, and represents a rare example of asymmetric transformation involving sulfur dioxide insertion.
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Affiliation(s)
- Fu-Sheng He
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
| | - Chun Zhang
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
| | - Minghui Jiang
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
| | - Lujun Lou
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
| | - Jie Wu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang 453007 China
| | - Shengqing Ye
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University 1139 Shifu Avenue Taizhou 318000 China
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16
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Wang Y, Yin J, Li Y, Yuan X, Xiong T, Zhang Q. Copper-Catalyzed Asymmetric Conjugate Addition of Alkene-Derived Nucleophiles to Alkenyl-Substituted Heteroarenes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01629] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ying Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - JianJun Yin
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - Yanfei Li
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - Xiuping Yuan
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - Tao Xiong
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
| | - Qian Zhang
- Jilin Province Key Laboratory of Organic Functional Molecular Design and Synthesis, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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17
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Farrar EHE, Grayson MN. Machine learning and semi-empirical calculations: a synergistic approach to rapid, accurate, and mechanism-based reaction barrier prediction. Chem Sci 2022; 13:7594-7603. [PMID: 35872815 PMCID: PMC9242013 DOI: 10.1039/d2sc02925a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/08/2022] [Indexed: 11/21/2022] Open
Abstract
Modern QM modelling methods, such as DFT, have provided detailed mechanistic insights into countless reactions. However, their computational cost inhibits their ability to rapidly screen large numbers of substrates and catalysts in reaction discovery. For a C-C bond forming nitro-Michael addition, we introduce a synergistic semi-empirical quantum mechanical (SQM) and machine learning (ML) approach that allows the prediction of DFT-quality reaction barriers in minutes, even on a standard laptop using widely available modelling software. Mean absolute errors (MAEs) are obtained that are below the accepted chemical accuracy threshold of 1 kcal mol-1 and substantially better than SQM methods without ML correction (5.71 kcal mol-1). Predictive power is shown to hold when the ML models are applied to an unseen set of compounds from the toxicology literature. Mechanistic insight is also achieved via the generation of full SQM transition state (TS) structures which are found to be very good approximations for the DFT-level geometries, revealing important steric interactions in some TSs. This combination of speed, accuracy, and mechanistic insight is unprecedented; current ML barrier models compromise on at least one of these important criteria.
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Affiliation(s)
- Elliot H E Farrar
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Matthew N Grayson
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
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18
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Han J, Escorihuela J, Fustero S, Landa A, Soloshonok VA, Sorochinsky A. Asymmetric Michael Addition in Synthesis of β-Substituted GABA Derivatives. Molecules 2022; 27:3797. [PMID: 35744921 PMCID: PMC9231165 DOI: 10.3390/molecules27123797] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/07/2022] [Accepted: 06/07/2022] [Indexed: 11/29/2022] Open
Abstract
γ-Aminobutyric acid (GABA) represents one of the most prolific structural units widely used in the design of modern pharmaceuticals. For example, β-substituted GABA derivatives are found in numerous neurological drugs, such as baclofen, phenibut, tolibut, pregabalin, phenylpiracetam, brivaracetam, and rolipram, to mention just a few. In this review, we critically discuss the literature data reported on the preparation of substituted GABA derivatives using the Michael addition reaction as a key synthetic transformation. Special attention is paid to asymmetric methods featuring synthetically useful stereochemical outcomes and operational simplicity.
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Affiliation(s)
- Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universidad de Valencia, 46100 Burjassot, Spain;
| | - Santos Fustero
- Departamento de Química Orgánica, Universidad de Valencia, 46100 Burjassot, Spain;
| | - Aitor Landa
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain; (A.L.); (V.A.S.)
| | - Vadim A. Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain; (A.L.); (V.A.S.)
- IKERBASQUE, Basque Foundation for Science, Alameda Urquijo 36-5, Plaza Bizkaia, 48011 Bilbao, Spain
| | - Alexander Sorochinsky
- V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 1 Murmanska Str., 02094 Kyiv, Ukraine
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19
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Prieto L, Rodríguez V, Vicario JL, Reyes E, Hornillos V. Enantioselective transannular reactions by palladium-catalysed conjugate addition of aryl boronic acids. Chem Commun (Camb) 2022; 58:6514-6517. [PMID: 35575448 DOI: 10.1039/d2cc01642g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium-catalyzed asymmeric conjugate addition of aryl boronic acids to medium-sized cycloalkenones followed by intramolecular aldol trapping is reported. The use of in situ formed [Pd/(QuinoxP*)] as the catalyst enables the synthesis of arylbicyclic scaffolds in good yields and with excellent stereocontrol (up to 7 : 1 dr, up to 99% ee). The reaction is applicable to a range of medium size ketoenone substrates and funcionalized aryl boronic acids, including heterocyclic compounds.
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Affiliation(s)
- Liher Prieto
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P. O. Box 644, 48080 Bilbao, Spain.
| | - Verónica Rodríguez
- Departamento de Química Orgánica, Universidad de Sevilla, C/Prof. García González, 1, 41012 Sevilla, Spain.
| | - Jose L Vicario
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P. O. Box 644, 48080 Bilbao, Spain.
| | - Efraim Reyes
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P. O. Box 644, 48080 Bilbao, Spain.
| | - Valentín Hornillos
- Departamento de Química Orgánica, Universidad de Sevilla, C/Prof. García González, 1, 41012 Sevilla, Spain. .,Instituto Investigaciones Químicas (CSIC-US), C/Américo Vespucio, 49, 41092 Sevilla, Spain
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20
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Mudráková B, Kisszékelyi P, Vargová D, Zakiewicz D, Šebesta R. Asymmetric Tandem Conjugate Addition and Reaction with Carbocations on Unsaturated Heterocycles. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Brigita Mudráková
- Comenius University in Bratislava Faculty of Natural Sciences Department of Organic Chemistry, Mlynská dolina Ilkovičova 6 842 15 Bratislava Slovakia
| | - Péter Kisszékelyi
- Comenius University in Bratislava Faculty of Natural Sciences Department of Organic Chemistry, Mlynská dolina Ilkovičova 6 842 15 Bratislava Slovakia
| | - Denisa Vargová
- Comenius University in Bratislava Faculty of Natural Sciences Department of Organic Chemistry, Mlynská dolina Ilkovičova 6 842 15 Bratislava Slovakia
| | - Dorota Zakiewicz
- Comenius University in Bratislava Faculty of Natural Sciences Department of Organic Chemistry, Mlynská dolina Ilkovičova 6 842 15 Bratislava Slovakia
| | - Radovan Šebesta
- Comenius University in Bratislava Faculty of Natural Sciences Department of Organic Chemistry, Mlynská dolina Ilkovičova 6 842 15 Bratislava Slovakia
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21
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De S, Jain A, Barman P. Recent Advances in the Catalytic Applications of Chiral Schiff‐Base Ligands and Metal Complexes in Asymmetric Organic Transformations. ChemistrySelect 2022. [DOI: 10.1002/slct.202104334] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Soumik De
- Department of Chemistry National Institute of Technology Silchar Assam India
| | - Abhinav Jain
- Department of Chemistry National Institute of Technology Silchar Assam India
| | - Pranjit Barman
- Department of Chemistry National Institute of Technology Silchar Assam India
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22
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Pellissier H. Recent developments in enantioselective nickel( ii)-catalyzed conjugate additions. Org Chem Front 2022. [DOI: 10.1039/d2qo01047j] [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
This review updates the field of enantioselective nickel-catalyzed conjugate additions since 2016.
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Affiliation(s)
- Hélène Pellissier
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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23
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Sun Y, Li Y, Li X, Zeng Y. Mechanism and Impact of Mono/bis(iodoimidazolium) Halogen-Bond Donor Catalysts on Michael Addition of Indole with Trans-crotonophenone: DFT Investigations. Phys Chem Chem Phys 2022; 24:6690-6698. [DOI: 10.1039/d2cp00075j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The bidentate halogen bond donor catalysts in organic reactions have attracted greatly attention in recent years. In this work, the catalytic mechanism of mono/bis(iodoimidazolium) halogen bond donor catalysts on the...
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24
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Zhang H, Cormanich RA, Wirth T. Chiral Ligands in Hypervalent Iodine Compounds: Synthesis and Structures of Binaphthyl-Based λ 3 -Iodanes. Chemistry 2021; 28:e202103623. [PMID: 34783401 DOI: 10.1002/chem.202103623] [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: 10/06/2021] [Indexed: 12/22/2022]
Abstract
Several novel binaphthyl-based chiral hypervalent iodine(III) reagents have been prepared and structurally analysed. Various asymmetric oxidative reactions were applied to evaluate the reactivities and stereoselectivities of those reagents. Moderate to excellent yields were observed; however, very low stereoselectivities were obtained. NMR experiments indicated that these reagents are very easily hydrolysed in either chloroform or DMSO solvents leading to the limited stereoselectivities. It is concluded that the use of chiral ligands is an unsuccessful way to prepare efficient stereoselective iodine(III) reagents.
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Affiliation(s)
- Huaiyuan Zhang
- School of Chemistry, Cardiff University, Park Place, Main Building, Cardiff, CF10 3AT, UK.,Lanzhou Petrochemical University of Vocational Technology, Lanzhou, 730060, P. R. China
| | - Rodrigo A Cormanich
- Institute of Chemistry, University of Campinas, Campinas, Sao Paulo, 13083-862, Brazil
| | - Thomas Wirth
- School of Chemistry, Cardiff University, Park Place, Main Building, Cardiff, CF10 3AT, UK
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25
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Tsygankov AA, Chusov D. Straightforward Access to High-Performance Organometallic Catalysts by Fluoride Activation: Proof of Principle on Asymmetric Cyanation, Asymmetric Michael Addition, CO 2 Addition to Epoxide, and Reductive Alkylation of Amines by Tetrahydrofuran. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03785] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Alexey A. Tsygankov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova Street 28, Moscow 119991, Russian Federation
| | - Denis Chusov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova Street 28, Moscow 119991, Russian Federation
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26
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Recent Advances in Selected Asymmetric Reactions Promoted by Chiral Catalysts: Cyclopropanations, Friedel–Crafts, Mannich, Michael and Other Zinc-Mediated Processes—An Update. Symmetry (Basel) 2021. [DOI: 10.3390/sym13101762] [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] Open
Abstract
The main purpose of this review article is to present selected asymmetric synthesis reactions in which chemical and stereochemical outcomes are dependent on the use of an appropriate chiral catalyst. Optically pure or enantiomerically enriched products of such transformations may find further applications in various fields. Among an extremely wide variety of asymmetric reactions catalyzed by chiral systems, we are interested in: asymmetric cyclopropanation, Friedel–Crafts reaction, Mannich and Michael reaction, and other stereoselective processes conducted in the presence of zinc ions. This paper describes the achievements of the above-mentioned asymmetric transformations in the last three years. The choice of reactions is related to the research that has been carried out in our laboratory for many years.
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27
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Denisov DA, Novikov RA, Tomilov YV. Lewis acid mediated Michael addition of non-aromatic multiple C C bonds to α,β-unsaturated dicarbonyl compounds. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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28
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Cooze CJC, McNutt W, Schoetz MD, Sosunovych B, Grigoryan S, Lundgren RJ. Diastereo-, Enantio-, and Z-Selective α,δ-Difunctionalization of Electron-Deficient Dienes Initiated by Rh-Catalyzed Conjugate Addition. J Am Chem Soc 2021; 143:10770-10777. [PMID: 34253021 DOI: 10.1021/jacs.1c05427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Metal-catalyzed enantioselective conjugate additions are highly reliable methods for stereoselective synthesis; however, multicomponent reactions that are initiated by conjugate arylation of acyclic π-systems are rare. These reactions generally proceed with poor diastereoselectivity while requiring basic, moisture sensitive organometallic nucleophiles. Here, we show that Rh-catalysts supported by a tetrafluorobenzobarrelene ligand (Ph-tfb) enable the enantio-, diastereo-, and Z-selective α,δ-difunctionalization of electron-deficient 1,3-dienes with organoboronic acid nucleophiles and aldehyde electrophiles to generate Z-homoallylic alcohols with three stereocenters. The reaction accommodates diene substrates activated by ester, amide, ketone, or aromatic groups and can be used to couple aryl, alkenyl, or alkyl aldehydes. Diastereoselective functionalization of the Z-olefin unit in the addition products allows for the generation of compounds with five stereocenters in high dr and ee. Mechanistic studies suggest aldehyde allylrhodation is the rate-determining step, and unlike reactions of analogous Rh-enolates, the Rh-allyl species generated by δ-arylation undergoes aldehyde trapping rather than protonolysis, even when water is present as a cosolvent. These findings should have broader implications in the use of privileged metal-catalyzed conjugate addition reactions as entry points toward the preparation of acyclic molecules containing nonadjacent stereocenters.
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Affiliation(s)
| | - Wesley McNutt
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Markus D Schoetz
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Bohdan Sosunovych
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Svetlana Grigoryan
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Rylan J Lundgren
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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29
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Yang Y, Tang C, Liang G, Deng P, Zhou J, Yang Z, Chen P, Zhou H. Cooperative Heterobimetallic Zinc/Alkaline Earth Metal Catalysis: A Zn/Sr Aminophenol Sulfonamide Complex for Catalytic Asymmetric Michael Addition of 3-Acetoxy-2-oxindoles to β-Ester Enones. J Org Chem 2021; 86:7119-7130. [DOI: 10.1021/acs.joc.1c00379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yuchen Yang
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Cheng Tang
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Guojuan Liang
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Ping Deng
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Jing Zhou
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Zinan Yang
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Peng Chen
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Hui Zhou
- Chongqing Research Center for Pharmaceutical Engineering, Research Center for Innovative Pharmaceutical and Excipient Analysis Technology, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
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30
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DFT insight into mechanism of the Ni(II)-catalyzed enantioselective Michael addition: A combined computational and experimental study. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Wang L, Zhu H, Peng T, Yang D. Conjugated ynones in catalytic enantioselective reactions. Org Biomol Chem 2021; 19:2110-2145. [PMID: 33625439 DOI: 10.1039/d0ob02521f] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Conjugated ynones are easily accessible feedstock and the existence of an alkyne bond endows ynones with different attractive reactivities, thus making them unique substrates for catalytic asymmetric reactions. Their compatibility under organocatalytic, metal-catalyzed as well as cooperative catalytic conditions has resulted in numerous enantioselective transformations. Importantly, conjugated ynones can act as nucleophiles or electrophiles, and serve as easily accessed synthons for different cyclization pathways. This review summarizes the recent literature examples of the catalytic reactions of conjugated ynones and related compounds such as alkyne conjugated α-ketoesters, and classifies these reaction types alongside mechanistic insights whenever possible. We aim to trigger more intensive research in the future to render the asymmetric transformation of ynones as a common and reliable tool for asymmetric synthesis.
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Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Tianyu Peng
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China.
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32
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Hayama N. [Asymmetric Hetero-Michael Additions to α,β-Unsaturated Carboxylic Acids by Multifunctional Boronic Acid Catalysts]. YAKUGAKU ZASSHI 2021; 141:293-301. [PMID: 33642494 DOI: 10.1248/yakushi.20-00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Several direct asymmetric Michael additions to α,β-unsaturated carboxylic acids with integrated catalysts comprising chiral bifunctional thiourea and arylboronic acid were developed. First, the asymmetric aza-Michael addition of hydroxylamine derivatives efficiently afforded a variety of optically active β-amino acid derivatives. Furthermore, upon detailed investigation of the reaction, tetrahedral borate complexes, comprising two carboxylate molecules, were found to serve as reaction intermediates. Based on this observation, a drastic improvement in product enantioselectivity was achieved upon benzoic acid addition. Second, on merely changing the solvent, the asymmetric thia-Michael addition of arylthiols afforded both enantiomers of the adducts, which are important building blocks for biologically active compounds.
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Affiliation(s)
- Noboru Hayama
- School of Pharmaceutical Sciences, Mukogawa Women's University
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33
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Hayama N, Kobayashi Y, Takemoto Y. Asymmetric hetero-Michael addition to α,β-unsaturated carboxylic acids using thiourea–boronic acid hybrid catalysts. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132089] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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34
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Nikerov DS, Ashatkina MA, Shiryaev VA, Tkachenko IM, Rybakov VB, Reznikov AN, Klimochkin YN. Synthesis of non-racemic dihydrofurans via Ni(II)-catalyzed asymmetric Michael addition. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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35
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Glogowski MP, Matthews JM, Lawhorn BG, Minbiole KPC. Diastereoselective Copper-Mediated Conjugate Addition of Functionalized Magnesiates for the Preparation of Bisaryl Nrf2 Activators. J Org Chem 2021; 86:3120-3137. [PMID: 33555189 DOI: 10.1021/acs.joc.0c02639] [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 two-step metal-halogen exchange and diastereoselective copper-mediated Michael addition onto a complex α,β-unsaturated system has been developed and applied toward the synthesis of bisaryl Nrf2 activators. Optimization of metal-halogen exchange using (n-Bu)3MgLi allowed for the preparation of custom aryl-functionalized magnesiate reagents at noncryogenic temperatures. Following transmetalation, these reagents were used in highly diastereoselective Michael addition reactions.
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Affiliation(s)
- Michal P Glogowski
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Jay M Matthews
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Brian G Lawhorn
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Kevin P C Minbiole
- Department of Chemistry, Villanova University, 800 Lancaster Avenue, Villanova, Pennsylvania 19085, United States
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36
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Deng Y, Yang CPH, Smith Iii AB. Enantioselective Total Synthesis of (+)-Peniciketals A and B: Two Architecturally Complex Spiroketals. J Am Chem Soc 2021; 143:1740-1744. [PMID: 33496178 DOI: 10.1021/jacs.0c11424] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The enantioselective total syntheses of (+)-peniciketals A and B, two members of a family of architecturally complex spiroketals, have been achieved. Key synthetic transformations comprise Type I Anion Relay Chemistry (ARC) to construct the benzannulated [6,6]-spiroketal skeleton, a Negishi cross-coupling/olefin cross-metathesis reaction sequence to generate the trans-enone structure, and a late-stage large fragment union exploiting our recently developed photoisomerization/cyclization tactic.
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Affiliation(s)
- Yifan Deng
- Department of Chemistry, University of Pennsylvania, 231 S. 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Chia-Ping H Yang
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, United States
| | - Amos B Smith Iii
- Department of Chemistry, University of Pennsylvania, 231 S. 34th Street, Philadelphia, Pennsylvania 19104, United States
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37
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Hermann A, Fantuzzi F, Arrowsmith M, Zorn T, Krummenacher I, Ritschel B, Radacki K, Engels B, Braunschweig H. Oxidation, Coordination, and Nickel‐Mediated Deconstruction of a Highly Electron‐Rich Diboron Analogue of 1,3,5‐Hexatriene. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Alexander Hermann
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Felipe Fantuzzi
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
- Institute for Physical and Theoretical Chemistry Julius-Maximilians-University Würzburg Emil-Fischer-Straße 42 97074 Würzburg Germany
| | - Merle Arrowsmith
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Theresa Zorn
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Ivo Krummenacher
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Benedikt Ritschel
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Krzysztof Radacki
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
| | - Bernd Engels
- Institute for Physical and Theoretical Chemistry Julius-Maximilians-University Würzburg Emil-Fischer-Straße 42 97074 Würzburg Germany
| | - Holger Braunschweig
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with Boron Julius-Maximilians-University Würzburg Am Hubland 97074 Würzburg Germany
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38
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Hermann A, Fantuzzi F, Arrowsmith M, Zorn T, Krummenacher I, Ritschel B, Radacki K, Engels B, Braunschweig H. Oxidation, Coordination, and Nickel-Mediated Deconstruction of a Highly Electron-Rich Diboron Analogue of 1,3,5-Hexatriene. Angew Chem Int Ed Engl 2020; 59:15717-15725. [PMID: 32449598 PMCID: PMC7497145 DOI: 10.1002/anie.202006131] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Indexed: 01/02/2023]
Abstract
The reductive coupling of an N-heterocyclic carbene (NHC) stabilized (dibromo)vinylborane yields a 1,2-divinyldiborene, which, although isoelectronic to a 1,3,5-triene, displays no extended π conjugation because of twisting of the C2 B2 C2 chain. While this divinyldiborene coordinates to copper(I) and platinum(0) in an η2 -B2 and η4 -C2 B2 fashion, respectively, it undergoes a complex rearrangement to an η4 -1,3-diborete upon complexation with nickel(0).
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Affiliation(s)
- Alexander Hermann
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Felipe Fantuzzi
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
- Institute for Physical and Theoretical ChemistryJulius-Maximilians-University WürzburgEmil-Fischer-Straße 4297074WürzburgGermany
| | - Merle Arrowsmith
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Theresa Zorn
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Ivo Krummenacher
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Benedikt Ritschel
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Krzysztof Radacki
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
| | - Bernd Engels
- Institute for Physical and Theoretical ChemistryJulius-Maximilians-University WürzburgEmil-Fischer-Straße 4297074WürzburgGermany
| | - Holger Braunschweig
- Institute for Inorganic Chemistry & the Institute for Sustainable, Chemistry & Catalysis with BoronJulius-Maximilians-University WürzburgAm Hubland97074WürzburgGermany
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39
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Darapaneni CM, Ghosh P, Ghosh T, Maayan G. Unique β‐Turn Peptoid Structures and Their Application as Asymmetric Catalysts. Chemistry 2020; 26:9573-9579. [DOI: 10.1002/chem.202000595] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 12/13/2022]
Affiliation(s)
| | - Pritam Ghosh
- Schulich Faculty of ChemistryTechnion-Israel Institute of Technology Haifa 3200008 Israel
| | - Totan Ghosh
- Schulich Faculty of ChemistryTechnion-Israel Institute of Technology Haifa 3200008 Israel
| | - Galia Maayan
- Schulich Faculty of ChemistryTechnion-Israel Institute of Technology Haifa 3200008 Israel
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40
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Kozma V, Fülöp F, Szőllősi G. 1,2‐Diamine‐Derived (thio)Phosphoramide Organocatalysts in Asymmetric Michael Additions. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000335] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Viktória Kozma
- Department of Organic ChemistryUniversity of Szeged 6720 Szeged Dóm tér 8 Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical ChemistryUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
- MTA-SZTE Stereochemistry Research GroupUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
- University of Szeged, Interdisciplinary Excellence CentreInstitute of Pharmaceutical Chemistry 6720 Szeged Eötvös utca 6 Hungary
| | - György Szőllősi
- MTA-SZTE Stereochemistry Research GroupUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
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41
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Gopi Krishna Reddy A, Niharika P, Zhou S, Jia SK, Shi T, Xu X, Qian Y, Hu W. Brønsted Acid Catalyzed Enantioselective Assembly of Spirochroman-3,3-oxindoles. Org Lett 2020; 22:2925-2930. [DOI: 10.1021/acs.orglett.0c00587] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Alavala Gopi Krishna Reddy
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Pedireddi Niharika
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Su Zhou
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shi-Kun Jia
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Taoda Shi
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xinfang Xu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yu Qian
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Wenhao Hu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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42
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Rani D, Bhargava M, Agarwal J. Asymmetric Michael Addition of Unactivated Ketones with β‐Nitrostyrenes Mediated by Bifunctional L‐Prolinamide Organocatalysts. ChemistrySelect 2020. [DOI: 10.1002/slct.202000136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Dixita Rani
- Department of Chemistry and Center of Advanced Studies Panjab University Chandigarh 160014 India
| | - Meha Bhargava
- Department of Chemistry and Center of Advanced Studies Panjab University Chandigarh 160014 India
| | - Jyoti Agarwal
- Department of Chemistry and Center of Advanced Studies Panjab University Chandigarh 160014 India
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43
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Wang Z. Construction of all-carbon quaternary stereocenters by catalytic asymmetric conjugate addition to cyclic enones in natural product synthesis. Org Chem Front 2020. [DOI: 10.1039/d0qo00763c] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review discusses the construction of all-carbon quaternary stereocenters using catalytic asymmetric conjugate addition and its application in natural product synthesis.
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Affiliation(s)
- Zhuo Wang
- Southern University of Science and Technology
- School of Medicine
- Shenzhen
- People's Republic of China
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44
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Xing S, Guo J, Wang Y, Wang C, Wang K, Zhu B. General and efficient synthesis of 1,2-dihydropyrrolo[3,4- b]indol-3-ones via a formal [3 + 2] cycloaddition initiated by C–H activation. Org Chem Front 2020. [DOI: 10.1039/d0qo00922a] [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 [Cp*RhCl2]2-catalyzed formal [3 + 2] cycloaddition involving a sequential coupling reaction initiated by C–H activation and aza-Michael addition has been developed for the general and efficient synthesis of 1,2-dihydropyrrolo[3,4-b]indol-3-ones.
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Affiliation(s)
- Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Junsuo Guo
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Yuhan Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Chenyu Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Kui Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
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45
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Hernández-Ibáñez S, Soares do Rego Barros O, Lahosa A, García-Muñoz MJ, Benlahrech M, Behloul C, Foubelo F, Yus M. Stereoselective synthesis of 5-(1-aminoalkyl)-2-pyrrolidones and 1,7-diazaspiro[4.5]decane-2,8-diones from chiral N-tert-butanesulfinyl imines and ethyl 4-nitrobutanoate. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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46
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Zeng YL, Chen B, Wang YT, He CY, Mu ZY, Du JY, He L, Chu WD, Liu QZ. Copper-catalyzed asymmetric silyl addition to alkenyl-substituted N-heteroarenes. Chem Commun (Camb) 2020; 56:1693-1696. [PMID: 31939945 DOI: 10.1039/c9cc08910a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Asymmetric conjugate addition of PhMe2SiBPin to a wide range of N-heteroaryl alkenes proceeded in the presence of a copper catalyst coordinated with a chiral phosphoramidite ligand to afford useful β-silyl N-heteroarenes in high yields and ees.
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Affiliation(s)
- Ya-Li Zeng
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Bo Chen
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Ya-Ting Wang
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Cheng-Yu He
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Zi-Yuan Mu
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Ji-Yuan Du
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- 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 Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control
- Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
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47
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Xie X, Xiang L, Peng C, Han B. Catalytic Asymmetric Synthesis of Spiropyrazolones and their Application in Medicinal Chemistry. CHEM REC 2019; 19:2209-2235. [PMID: 30821425 DOI: 10.1002/tcr.201800199] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/11/2019] [Accepted: 02/11/2019] [Indexed: 01/24/2023]
Abstract
Chiral spiropyrazolones are unique frameworks widely found in a large family of medicinally relevant compounds with various biological activities. Substantial research efforts have been invested toward stereoselectively by constructing spiro-cyclic structures. Over the past years, remarkable progress has been made in the organo- and metal-catalyzed asymmetric synthesis of spiropyrazolones through the utilization of accessible simple pyrazolone derivatives as raw materials. This review is organized according to the size of the spiro-ring fused at the 4-position of the pyrazolone framework. In the last part, the bio-evaluations of chiral spiropyrazolones for drug discovery are summarized.
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Affiliation(s)
- Xin Xie
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Li Xiang
- State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Cheng Peng
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Bo Han
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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48
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Shu C, Liu H, Slawin AMZ, Carpenter-Warren C, Smith AD. Isothiourea-catalysed enantioselective Michael addition of N-heterocyclic pronucleophiles to α,β-unsaturated aryl esters. Chem Sci 2019; 11:241-247. [PMID: 34040717 PMCID: PMC8133005 DOI: 10.1039/c9sc04303a] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The isothiourea-catalysed enantioselective Michael addition of 3-aryloxindole and 4-substituted-dihydropyrazol-3-one pronucleophiles to α,β-unsaturated p-nitrophenyl esters is reported. This process generates products containing two contiguous stereocentres, one quaternary, in good yields and excellent enantioselectivities (>30 examples, up to > 95 : 5 dr and 99 : 1 er). This protocol harnesses the multifunctional ability of p-nitrophenoxide to promote effective catalysis. In contrast to previous methodologies using tertiary amine Lewis bases, in which the pronucleophile was used as the solvent, this work allows bespoke pronucleophiles to be used in stoichiometric quantities. The isothiourea-catalysed enantioselective Michael addition of 3-aryloxindole and 4-substituted-dihydropyrazol-3-one pronucleophiles to α,β-unsaturated p-nitrophenyl esters is reported.![]()
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Affiliation(s)
- Chang Shu
- EaStCHEM, School of Chemistry, University of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Honglei Liu
- EaStCHEM, School of Chemistry, University of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Alexandra M Z Slawin
- EaStCHEM, School of Chemistry, University of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Cameron Carpenter-Warren
- EaStCHEM, School of Chemistry, University of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
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49
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Abstract
In this study, a set of enantiomerically pure aziridines bearing a phosphine oxide moiety were prepared in high yields and tested as chiral catalysts in the direct asymmetric Mannich reaction of hydroxyacetone, an amine (p-anisidine), and various aromatic aldehydes. The appropriate Mannich adducts were formed in chemical yields from moderate to good with a high level of enantio- and diastereoselectivity. The best results were obtained using the catalysts bearing a free NH-aziridine subunit.
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50
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Affiliation(s)
- Lucas Schreyer
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Roberta Properzi
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
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