1
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Cheng Z, Zhang P, Shao Y, Sun J, Tang S. Rhodium-Catalyzed Asymmetric N2-C5 Allylation of Indazoles with Dienyl Allylic Alcohols. Org Lett 2024; 26:5646-5651. [PMID: 38953867 DOI: 10.1021/acs.orglett.4c01558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
The development of site-selective and regio- and enantioselective reactions of substrates with multiple active sites is an important topic and remains a substantial challenge in synthetic chemistry. Here, we describe a rhodium-catalyzed asymmetric N2-C5 allylation of indazoles with dienyl allylic alcohols under mild conditions. In the presence of a Rh/(P/olefin) catalyst and formic acid, chiral N2-C5 allylic indazoles were formed in good yields with excellent enantioselectivities (up to 97% ee). The mechanism proceeds through an elusive intermediate Int B, which represents a challenging task on asymmetric allylic substitution (AAS) of dienyl substrates.
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Affiliation(s)
- Zhangru Cheng
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Peng Zhang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Ying Shao
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Shengbiao Tang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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2
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Stojalnikova V, Webster SJ, Liu K, Fletcher SP. Chelation enables selectivity control in enantioconvergent Suzuki-Miyaura cross-couplings on acyclic allylic systems. Nat Chem 2024; 16:791-799. [PMID: 38332329 PMCID: PMC11087250 DOI: 10.1038/s41557-023-01430-8] [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: 11/11/2022] [Accepted: 12/18/2023] [Indexed: 02/10/2024]
Abstract
Asymmetric Suzuki-Miyaura cross-couplings with aryl boronic acids and allylic electrophiles are a powerful method to convert racemic mixtures into enantioenriched products. Currently, enantioconvergent allylic arylations are limited to substrates that are symmetrical about the allylic unit, and the absence of strategies to control regio-, E/Z- and enantioselectivity in acyclic allylic systems is a major restriction. Here, using a system capable of either conjugate addition or allylic arylation, we have discovered the structural features and experimental conditions that allow an acyclic system to undergo chemo- and regioselective, enantioconvergent allylic Suzuki-Miyaura-type arylation. A wide variety of boronic acid coupling partners can be used, and both alkyl and aromatic substituents are tolerated on the allylic unit so that a wide variety of structures can be obtained. Preliminary mechanistic studies reveal that the chelating ability of the ester group is crucial to obtaining high regio- and enantioselectivity. Using this method, we were able to synthesize the natural products (S)-curcumene and (S)-4,7-dimethyl-1-tetralone and the clinically used antidepressant sertraline (Zoloft).
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Affiliation(s)
| | - Stephen J Webster
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom
| | - Ke Liu
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom
| | - Stephen P Fletcher
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom.
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3
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Yang Y, Wu C, Xing J, Dou X. Developing Biarylhemiboronic Esters for Biaryl Atropisomer Synthesis via Dynamic Kinetic Atroposelective Suzuki-Miyaura Cross-Coupling. J Am Chem Soc 2024; 146:6283-6293. [PMID: 38381856 DOI: 10.1021/jacs.3c14450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
We herein introduce biarylhemiboronic esters as a new type of bridged biaryl reagent for asymmetric synthesis of axially chiral biaryl structures, and the palladium-catalyzed asymmetric Suzuki-Miyaura cross-coupling of biarylhemiboronic esters is developed. This dynamic kinetic atroposelective coupling reaction exhibits high enantioselectivity, good functional group tolerance, and a broad substrate scope. The synthetic application of the current method was demonstrated by transformations of the product and a programmed synthesis of chiral polyarene. Preliminary mechanistic studies suggested that the reaction proceeded via an enantio-determining dynamic kinetic atroposelective transmetalation step.
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Affiliation(s)
- Yiming Yang
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
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4
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Usman FO, Gogoi AR, Mixdorf JC, Gutierrez O, Nguyen HM. Rhodium-Catalyzed Asymmetric Synthesis of 1,2-Disubstituted Allylic Fluorides. Angew Chem Int Ed Engl 2023; 62:e202314843. [PMID: 37856668 PMCID: PMC11069351 DOI: 10.1002/anie.202314843] [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: 10/04/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023]
Abstract
Although there are many methods for the asymmetric synthesis of monosubstituted allylic fluorides, construction of enantioenriched 1,2-disubstituted allylic fluorides has not been reported. To address this gap, we report an enantioselective synthesis of 1,2-disubstituted allylic fluorides using chiral diene-ligated rhodium catalyst, Et3 N ⋅ 3HF as a source of fluoride, and Morita Baylis Hillman (MBH) trichloroacetimidates. Kinetic studies show that one enantiomer of racemic MBH substrate reacts faster than the other. Computational studies reveal that both syn and anti π-allyl complexes are formed upon ionization of allylic substrate, and the syn complexes are slightly energetically favorable. This is in contrast to our previous observation for formation of monosubstituted π-allyl intermediates, in which the syn π-allyl conformation is strongly preferred. In addition, the presence of an electron-withdrawing group at C2 position of racemic MBH substrate renders 1,2-disubstituted π-allyl intermediate formation endergonic and reversible. To compare, formation of monosubstituted π-allyl intermediates was exergonic and irreversible. DFT calculations and kinetic studies support a dynamic kinetic asymmetric transformation process wherein the rate of isomerization of the 1,2-disubstituted π-allylrhodium complexes is faster than that of fluoride addition onto the more reactive intermediate. The 1,2-disubstituted allylic fluorides were obtained in good yields, enantioselectivity, and branched selectivity.
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Affiliation(s)
- Fuad O Usman
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
| | - Achyut R Gogoi
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Jason C Mixdorf
- Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Osvaldo Gutierrez
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Hien M Nguyen
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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5
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Manna MS, Yoo SY, Sharique M, Choi H, Pudasaini B, Baik MH, Tambar UK. Copper-Catalyzed Regiodivergent Internal Allylic Alkylations. Angew Chem Int Ed Engl 2023; 62:e202304848. [PMID: 37327025 PMCID: PMC10528884 DOI: 10.1002/anie.202304848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/05/2023] [Accepted: 06/12/2023] [Indexed: 06/17/2023]
Abstract
We report a copper-catalyzed, regioselective, and stereospecific alkylation of unbiased internal allylic carbonates with functionalized alkyl and aryl Grignard reagents. The reactions exhibit high stereospecificity and regioselectivity for either SN 2 or SN 2' products under two sets of copper-catalyzed conditions, which enables the preparation of a broad range of products with E-alkene selectivity. Density functional theory calculations reveal the origins of the regioselectivity based on the different behaviors of homo- and heterocuprates.
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Affiliation(s)
- Madhu Sudan Manna
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9038, United States
| | - Seok Yeol Yoo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Mohammed Sharique
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9038, United States
| | - Hyoju Choi
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Bimal Pudasaini
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Uttam K. Tambar
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9038, United States
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6
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Zhao D, Xu B, Zhu C. Migratory allylic arylation of 1,n-enols enabled by nickel catalysis. Nat Commun 2023; 14:3308. [PMID: 37286547 DOI: 10.1038/s41467-023-38865-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 05/16/2023] [Indexed: 06/09/2023] Open
Abstract
Transition-metal-catalyzed allylic substitution reactions (Tsuji-Trost reactions) proceeding via a π-allyl metal intermediate have been demonstrated as a powerful tool in synthetic chemistry. Herein, we disclose an unprecedented π-allyl metal species migration, walking on the carbon chain involving 1,4-hydride shift as confirmed by deuterium labeling experiments. This migratory allylic arylation can be realized under dual catalysis of nickel and lanthanide triflate, a Lewis acid. Olefin migration has been observed to preferentially occur with the substrate of 1,n-enols (n ≥ 3). The robust nature of the allylic substitution strategy is reflected by a broad scope of substrates with the control of regio- and stereoselectivity. DFT studies suggest that π-allyl metal species migration consists of the sequential β-H elimination and migratory insertion, with diene not being allowed to release from the metal center before producing a new π-allyl nickel species.
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Affiliation(s)
- Dan Zhao
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, China
| | - Bing Xu
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, China
- Zhuhai Fudan Innovation Institute, Zhuhai, 519000, China
| | - Can Zhu
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, China.
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7
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Yin L, Zhu W, Xu Y, Xing J, Dou X. Rh-catalyzed ring-opening coupling of cyclic vinyl ethers with organometallic reagents. Org Biomol Chem 2023; 21:4429-4433. [PMID: 37191166 DOI: 10.1039/d3ob00579h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The rhodium-catalyzed ring-opening coupling of cyclic vinyl ethers, including 2,3-dihydrofuran and benzofuran, with organometallic reagents to give homoallylic alcohols and stilbenoids was reported. The suitable organometallic reagent for 2,3-dihydrofuran and benzofuran was found to be substrate-dependent, and a plausible mechanism involving different active organorhodium intermediates was proposed for these coupling reactions.
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Affiliation(s)
- Long Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Wanjiang Zhu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Yang Xu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
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8
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Yu J, Mateos J, Carraro M. Halloysite Nanotubes as Bimodal Lewis/Brønsted Acid Heterogeneous Catalysts for the Synthesis of Heterocyclic Compounds. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:394. [PMID: 36770356 PMCID: PMC9919349 DOI: 10.3390/nano13030394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Halloysite nanotubes can be used for the preparation of solid catalysts. Owing to their natural availability at low-cost as well as to their large and easy-to-functionalize surface, they can be conveniently activated with mineral acids or derivatized with acidic groups. Nevertheless, the use of HNTs as catalysts in complex transformations is still limited. Herein, we report two strategies to utilize HNT-based materials as solid acidic catalysts for the Biginelli reaction. To this aim, two methods for increasing the number of acidic sites on the HNTs were explored: (i) the treatment with piranha solution (Pir-HNTs) and (ii) the functionalization with phenylboronic acid (in particular with benzene-1,4-diboronic acid: the sample is denoted as HNT-BOA). Interestingly, both strategies enhance the performance of the multicomponent reaction. Pir-HNTs and HNT-BOA show an increased reactivity (72% and 89% yield, respectively) in comparison with pristine HNTs (52%). Additionally, Pir-HNTs can be reused up to five times without significant performance loss. Moreover, the method also displays good reaction scope, as demonstrated by the preparation of 12 different 3,4-dihydropyrimidinones in up to 71% yield. Therefore, the described strategies are promising for enhancing the acidity of the HNTs as catalysts for the organic reaction.
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Affiliation(s)
- Jiaying Yu
- Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131 Padova, Italy
- College of Chemistry and Environmental Engineering, Shenzhen University, 3688 Nanhai Ave, Shenzhen 518060, China
| | - Javier Mateos
- Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131 Padova, Italy
| | - Mauro Carraro
- Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131 Padova, Italy
- ITM-CNR, UoS of Padova, Via F. Marzolo 1, 35131 Padova, Italy
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9
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Mishra S, Modicom FCT, Dean CL, Fletcher SP. Catalytic asymmetric synthesis of carbocyclic C-nucleosides. Commun Chem 2022; 5:154. [PMID: 36439888 PMCID: PMC9676730 DOI: 10.1038/s42004-022-00773-6] [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] [Received: 08/21/2022] [Accepted: 11/07/2022] [Indexed: 11/21/2022] Open
Abstract
Access to carbocyclic C-nucleosides (CC-Ns) is currently restricted. The few methods available to make CC-Ns suffer from long syntheses and poor modularity, hindering the examination of potentially important chemical space. Here we report an approach to CC-Ns which uses an asymmetric Suzuki-Miyaura type reaction as the key C-C bond forming step. After coupling the densely functionalized racemic bicyclic allyl chloride and heterocyclic boronic acids, the trisubstituted cyclopentenyl core is elaborated to RNA analogues via a hydroborylation-homologation-oxidation sequence. We demonstrate that the approach can be used to produce a variety of enantiomerically enriched CC-Ns, including a carbocyclic derivative of Showdomycin.
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Affiliation(s)
- Sourabh Mishra
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford, OX1 3TA UK
| | - Florian C. T. Modicom
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford, OX1 3TA UK
| | - Conor L. Dean
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford, OX1 3TA UK
| | - Stephen P. Fletcher
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford, OX1 3TA UK
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10
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Cunningham L, Portela MS, Fletcher SP. Scale-Up of a Rh-Catalyzed Asymmetric sp 3–sp 2 Suzuki–Miyaura-Type Reaction. Org Process Res Dev 2022; 26:3153-3160. [DOI: 10.1021/acs.oprd.2c00268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Laura Cunningham
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
| | | | - Stephen P. Fletcher
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
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11
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Dong XY, Li ZL, Gu QS, Liu XY. Ligand Development for Copper-Catalyzed Enantioconvergent Radical Cross-Coupling of Racemic Alkyl Halides. J Am Chem Soc 2022; 144:17319-17329. [PMID: 36048164 DOI: 10.1021/jacs.2c06718] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The enantioconvergent cross-coupling of racemic alkyl halides represents a powerful tool for the synthesis of enantioenriched molecules. In this regard, the first-row transition metal catalysis provides a suitable mechanism for stereoconvergence by converting racemic alkyl halides to prochiral radical intermediates owing to their good single-electron transfer ability. In contrast to the noble development of chiral nickel catalyst, copper-catalyzed enantioconvergent radical cross-coupling of alkyl halides is less studied. Besides the enantiocontrol issue, the major challenge arises from the weak reducing capability of copper that slows the reaction initiation. Recently, significant efforts have been dedicated to basic research aimed at developing chiral ligands for copper-catalyzed enantioconvergent radical cross-coupling of racemic alkyl halides. This perspective will discuss the advances in this burgeoning area with particular emphasis on the strategic chiral anionic ligand design to tune the reducing capability of copper for the reaction initiation under thermal conditions from our research group.
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Affiliation(s)
- Xiao-Yang Dong
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhong-Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qiang-Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xin-Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
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12
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Zhang Y, Goetzke FW, Christensen KE, Fletcher SP. Asymmetric Synthesis of Nortropanes via Rh-Catalyzed Allylic Arylation. ACS Catal 2022; 12:8995-9002. [PMID: 35966601 PMCID: PMC9361292 DOI: 10.1021/acscatal.2c02259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/27/2022] [Indexed: 12/05/2022]
Abstract
![]()
Tropane derivatives are extensively used in medicine,
but catalytic
asymmetric methods for their synthesis are underexplored. Here, we
report Rh-catalyzed asymmetric Suzuki–Miyaura-type cross-coupling
reactions between a racemic N-Boc-nortropane-derived
allylic chloride and (hetero)aryl boronic esters. The reaction proceeds via an unexpected kinetic resolution, and the resolved enantiopure
allyl chloride can undergo highly enantiospecific reactions with N-,
O-, and S-containing nucleophiles. The method was applied in a highly
stereoselective formal synthesis of YZJ-1139(1), a potential insomnia
treatment that recently completed Phase II clinical trials. Our report
represents an asymmetric catalytic method for the synthesis of YZJ-1139(1)
and related compounds.
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Affiliation(s)
- Yan Zhang
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - F. Wieland Goetzke
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Kirsten E. Christensen
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Stephen P. Fletcher
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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13
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Hedouin G, Hazra S, Gallou F, Handa S. The Catalytic Formation of Atropisomers and Stereocenters via Asymmetric Suzuki–Miyaura Couplings. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00933] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Gaspard Hedouin
- Department of Chemistry, University of Louisville, 2320 S. Brook Street, Louisville, Kentucky 40292, United States
| | - Susanta Hazra
- Department of Chemistry, University of Louisville, 2320 S. Brook Street, Louisville, Kentucky 40292, United States
| | - Fabrice Gallou
- Chemical & Analytical Development, Novartis Pharma AG, Basel 4056, Switzerland
| | - Sachin Handa
- Department of Chemistry, University of Louisville, 2320 S. Brook Street, Louisville, Kentucky 40292, United States
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14
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Dale HJA, Leach AG, Lloyd-Jones GC. Heavy-Atom Kinetic Isotope Effects: Primary Interest or Zero Point? J Am Chem Soc 2021; 143:21079-21099. [PMID: 34870970 DOI: 10.1021/jacs.1c07351] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Chemists have many options for elucidating reaction mechanisms. Global kinetic analysis and classic transition-state probes (e.g., LFERs, Eyring) inevitably form the cornerstone of any strategy, yet their application to increasingly sophisticated synthetic methodologies often leads to a wide range of indistinguishable mechanistic proposals. Computational chemistry provides powerful tools for narrowing the field in such cases, yet wholly simulated mechanisms must be interpreted with great caution. Heavy-atom kinetic isotope effects (KIEs) offer an exquisite but underutilized method for reconciling the two approaches, anchoring the theoretician in the world of calculable observables and providing the experimentalist with atomistic insights. This Perspective provides a personal outlook on this synergy. It surveys the computation of heavy-atom KIEs and their measurement by NMR spectroscopy, discusses recent case studies, highlights the intellectual reward that lies in alignment of experiment and theory, and reflects on the changes required in chemical education in the area.
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Affiliation(s)
- Harvey J A Dale
- EaStChem, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, U.K
| | - Andrew G Leach
- School of Health Sciences, The University of Manchester, Stopford Building, Oxford Road, Manchester M13 9PT, U.K
| | - Guy C Lloyd-Jones
- EaStChem, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh EH9 3FJ, U.K
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15
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Casalta C, Gourlaouen C, Bouzbouz S. Iridium(III) Catalyzed Z-Selective Allylic Arylation of α-Fluoro But-1-enoic Acid Amides via β-F-Elimination in Water. Org Lett 2021; 23:8122-8126. [PMID: 34617755 DOI: 10.1021/acs.orglett.1c02054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Allylic arylation of α-fluoro but-1-enoic acid amides with arylboronic acids was carried out in water by comparing the catalytic activity of iridium(III) and rhodium(III). Ir(III) has shown a strong superiority over Rh(III) to give allyl-aryl coupling products with excellent stereoselectivity in favor of the Z-isomer. The origin of high stereoselectivity is perhaps because of the a coordination of iridium Ir-N or Ir-O.
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Affiliation(s)
- Clément Casalta
- CNRS, University of Rouen, INSA, COBRA UMR 6014, 76800 Mont Saint Aignan, France
| | - Christophe Gourlaouen
- Laboratoire de Chimie Quantique, Institut de Chimie de Strasbourg, UMR 7177 CNRS-Université de Strasbourg, 67070 Strasbourg, France
| | - Samir Bouzbouz
- CNRS, University of Rouen, INSA, COBRA UMR 6014, 76800 Mont Saint Aignan, France
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16
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Kizhakkayil Mangadan AR, Liu J, Aponick A. Enantioselective Lactonization by π‐Acid‐Catalyzed Allylic Substitution: A Complement to π‐Allylmetal Chemistry. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Arun Raj Kizhakkayil Mangadan
- Florida Center for Heterocyclic Compounds and Department of Chemistry University of Florida P.O. Box 117200 Gainesville FL 32611 USA
| | - Ji Liu
- Florida Center for Heterocyclic Compounds and Department of Chemistry University of Florida P.O. Box 117200 Gainesville FL 32611 USA
| | - Aaron Aponick
- Florida Center for Heterocyclic Compounds and Department of Chemistry University of Florida P.O. Box 117200 Gainesville FL 32611 USA
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17
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Kizhakkayil Mangadan AR, Liu J, Aponick A. Enantioselective Lactonization by π-Acid-Catalyzed Allylic Substitution: A Complement to π-Allylmetal Chemistry. Angew Chem Int Ed Engl 2021; 60:22224-22229. [PMID: 34423520 DOI: 10.1002/anie.202108336] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Indexed: 12/16/2022]
Abstract
Asymmetric allylic alkylation (AAA) is a powerful method for the formation of highly useful, non-racemic allylic compounds. Here we present a complementary enantioselective process that generates allylic lactones via π-acid catalysis. More specifically, a catalytic enantioselective dehydrative lactonization of allylic alcohols using a novel PdII -catalyst containing the imidazole-based P,N-ligand (S)-StackPhos is reported. The high-yielding reactions are operationally simple to perform with enantioselectivities up to 99 % ee. This strategy facilitates the replacement of a poor leaving group with what would ostensibly be a better leaving group in the product avoiding complications arising from racemization by equilibration.
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Affiliation(s)
- Arun Raj Kizhakkayil Mangadan
- Florida Center for Heterocyclic Compounds and, Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, FL, 32611, USA
| | - Ji Liu
- Florida Center for Heterocyclic Compounds and, Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, FL, 32611, USA
| | - Aaron Aponick
- Florida Center for Heterocyclic Compounds and, Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, FL, 32611, USA
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18
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van Dijk L, Fletcher SP. Rh-catalyzed asymmetric Suzuki-Miyaura cross-coupling. TRENDS IN CHEMISTRY 2021. [DOI: 10.1016/j.trechm.2021.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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19
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A catalytic asymmetric cross-coupling approach to the synthesis of cyclobutanes. Nat Chem 2021; 13:880-886. [PMID: 34211118 DOI: 10.1038/s41557-021-00725-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/07/2021] [Indexed: 02/08/2023]
Abstract
Stereodefined four-membered rings are common motifs in bioactive molecules and versatile intermediates in organic synthesis. However, the synthesis of complex, chiral cyclobutanes is a largely unsolved problem and there is a need for general and modular synthetic methods. Here we report a series of asymmetric cross-coupling reactions between cyclobutenes and arylboronic acids which are initiated by Rh-catalysed asymmetric carbometallation. After the initial carborhodation, Rh-cyclobutyl intermediates undergo chain-walking or C-H insertion so that overall a variety of additions such as reductive Heck reactions, 1,5-addition and homoallylic substitution are observed. The synthetic applicability of these highly stereoselective transformations is demonstrated in the concise syntheses of the drug candidates Belaperidone and PF-04862853. We anticipate this approach will be widely adopted by synthetic and medicinal chemists. While the carbometallation approach reported here is exemplified with Rh and arylboronic acids, it is likely to be applicable to other metals and nucleophiles.
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20
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Lee BYT, Phillips AD, Hanif M, Tong KKH, Söhnel T, Hartinger CG. Heptadentate, Octadentate, Or Even Nonadentate? Denticity in the Unexpected Formation of an All-Carbon Donor-Atom Ligand in Rh III(Cp*)(Anthracenyl-NHC) Complexes. Inorg Chem 2021; 60:8734-8741. [PMID: 34100283 DOI: 10.1021/acs.inorgchem.1c00711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Investigations on incorporating an N-flanking anthracenyl moiety to [Rh(Cp*)(NHC)Cl2] complexes surprisingly led to the formation of an intramolecular C-C bond between the Cp* and anthracenyl moieties, with additional auxiliary interactions between the metal and the anthracenyl ring system. In silico modeling supports a reaction mechanism whereby Rh(η4-tetramethylfulvene) intermediates undergo metallocycloaddition and the abstraction of a chlorido ligand, affording unique cationic complexes that feature Rh centers coordinated by a nonadentate ligand with exclusively carbon donor atoms. Some Rh-C interactions were extremely weak but nevertheless exhibited covalent bonding character. These weak Rh-C interactions were readily displaced by stronger electron donors, and the nonadentate ligand reverted to the heptadentate coordination mode observed in the intermediate. As far as we are aware, this study provides the first conclusive evidence of complexes bearing a single nonadentate κ9-coordinating ligand that features only carbon donors bound to a metal center.
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Affiliation(s)
- Betty Y T Lee
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Andrew D Phillips
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Muhammad Hanif
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Kelvin K H Tong
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
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21
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Pal S, Cotard M, Gérardin B, Hoarau C, Schneider C. Cu-Catalyzed Oxidative Allylic C-H Arylation of Inexpensive Alkenes with (Hetero)Aryl Boronic Acids. Org Lett 2021; 23:3130-3135. [PMID: 33765389 DOI: 10.1021/acs.orglett.1c00812] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we present a regioselective Cu-catalyzed oxidative allylic C(sp3)-H arylation by radical relay using a broad range of heteroaryl boronic acids with inexpensive and readily available unactivated terminal and internal olefins. This C(sp2)-C(sp3) allyl coupling has the advantage of using cheap, abundant, and nontoxic Cu2O without the need to use prefunctionalized alkenes, thus offering an alternative method to allylic arylation reactions that employ more traditional coupling partners with preinstalled leaving groups (LGs) at the allylic position.
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Affiliation(s)
- Suman Pal
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Marine Cotard
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Baptiste Gérardin
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Christophe Hoarau
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Cédric Schneider
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
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22
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Fletcher SP, Goetzke FW. Additions to Racemates: A Strategy for Developing Asymmetric Cross-Coupling Reactions. Synlett 2021. [DOI: 10.1055/s-0040-1706033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AbstractIn this Account, the authors describe their progress in developing catalytic asymmetric C(sp3)–C(sp3) and C(sp3)–C(sp2) cross-coupling reactions. Whereas most catalytic enantioselective transformations rely on prochiral or meso starting materials, strategies that use racemic starting materials are rare. Key features of these reactions are efficient mechanisms for deracemization. Here, the authors present copper-catalyzed alkylation and rhodium-catalyzed Suzuki–Miyaura-type arylation reactions, their underlying mechanisms, and their applications in complex-molecule syntheses.
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23
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Liu C, Ji C, Zhou T, Hong X, Szostak M. Bimetallic Cooperative Catalysis for Decarbonylative Heteroarylation of Carboxylic Acids via C‐O/C‐H Coupling. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Chengwei Liu
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 USA
| | - Chong‐Lei Ji
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Tongliang Zhou
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 USA
| | - Xin Hong
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Michal Szostak
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 USA
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24
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Liu C, Ji CL, Zhou T, Hong X, Szostak M. Bimetallic Cooperative Catalysis for Decarbonylative Heteroarylation of Carboxylic Acids via C-O/C-H Coupling. Angew Chem Int Ed Engl 2021; 60:10690-10699. [PMID: 33596335 DOI: 10.1002/anie.202100949] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Indexed: 11/10/2022]
Abstract
Cooperative bimetallic catalysis is a fundamental approach in modern synthetic chemistry. We report bimetallic cooperative catalysis for the direct decarbonylative heteroarylation of ubiquitous carboxylic acids via acyl C-O/C-H coupling. This novel catalytic system exploits the cooperative action of a copper catalyst and a palladium catalyst in decarbonylation, which enables highly chemoselective synthesis of important heterobiaryl motifs through the coupling of carboxylic acids with heteroarenes in the absence of prefunctionalization or directing groups. This cooperative decarbonylative method uses common carboxylic acids and shows a remarkably broad substrate scope (>70 examples), including late-stage modification of pharmaceuticals and streamlined synthesis of bioactive agents. Extensive mechanistic and computational studies were conducted to gain insight into the mechanism of the reaction. The key step involves intersection of the two catalytic cycles via transmetallation of the copper-aryl species with the palladium(II) intermediate generated by oxidative addition/decarbonylation.
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Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
| | - Chong-Lei Ji
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Tongliang Zhou
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA
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25
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Mechanistic investigation of Rh(i)-catalysed asymmetric Suzuki–Miyaura coupling with racemic allyl halides. Nat Catal 2021. [DOI: 10.1038/s41929-021-00589-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Su X, Ye L, Chen J, Liu X, Jiang S, Wang F, Liu L, Yang C, Chang X, Li Z, Gu Q, Liu X. Copper‐Catalyzed Enantioconvergent Cross‐Coupling of Racemic Alkyl Bromides with Azole C(sp
2
)−H Bonds. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202009527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiao‐Long Su
- Shaanxi Key Laboratory of Phytochemistry College of Chemistry and Chemical Engineering Baoji University of Arts and Sciences Baoji Shaanxi 721013 China
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Liu Ye
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Ji‐Jun Chen
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Xiao‐Dong Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Sheng‐Peng Jiang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Fu‐Li Wang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Lin Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Chang‐Jiang Yang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Xiao‐Yong Chang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Zhong‐Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Qiang‐Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Xin‐Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
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27
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Shi Y, Wu H, Huang G. Rhodium( i)/bisoxazolinephosphine-catalyzed regio- and enantioselective amination of allylic carbonates: a computational study. Org Chem Front 2021. [DOI: 10.1039/d1qo00370d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
DFT calculations were performed to investigate the rhodium(i)/bisoxazolinephosphine-catalyzed regio- and enantioselective amination of allylic carbonates.
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Affiliation(s)
- Yu Shi
- Department of Chemistry
- School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Hongli Wu
- Department of Chemistry
- School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University
- Tianjin 300072
- P. R. China
| | - Genping Huang
- Department of Chemistry
- School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University
- Tianjin 300072
- P. R. China
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28
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Jiang SP, Dong XY, Gu QS, Ye L, Li ZL, Liu XY. Copper-Catalyzed Enantioconvergent Radical Suzuki-Miyaura C(sp 3)-C(sp 2) Cross-Coupling. J Am Chem Soc 2020; 142:19652-19659. [PMID: 33146993 DOI: 10.1021/jacs.0c09125] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A copper-catalyzed enantioconvergent Suzuki-Miyaura C(sp3)-C(sp2) cross-coupling of various racemic alkyl halides with organoboronate esters has been established in high enantioselectivity. Critical to the success is the use of a chiral cinchona alkaloid-derived N,N,P-ligand for not only enhancing the reducing capability of copper catalyst to favor a stereoablative radical pathway over a stereospecific SN2-type process but also providing an ideal chiral environment to achieve the challenging enantiocontrol over the highly reactive radical species. The reaction has a broad scope with respect to both coupling partners, covering aryl- and heteroarylboronate esters, as well as benzyl-, heterobenzyl-, and propargyl bromides and chlorides with good functional group compatibility. Thus, it provides expedient access toward a range of useful enantioenriched skeletons featuring chiral tertiary benzylic stereocenters.
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Affiliation(s)
- Sheng-Peng Jiang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiao-Yang Dong
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qiang-Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Liu Ye
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhong-Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xin-Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
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29
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Su XL, Ye L, Chen JJ, Liu XD, Jiang SP, Wang FL, Liu L, Yang CJ, Chang XY, Li ZL, Gu QS, Liu XY. Copper-Catalyzed Enantioconvergent Cross-Coupling of Racemic Alkyl Bromides with Azole C(sp 2 )-H Bonds. Angew Chem Int Ed Engl 2020; 60:380-384. [PMID: 32949177 DOI: 10.1002/anie.202009527] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/21/2020] [Indexed: 11/12/2022]
Abstract
The development of enantioconvergent cross-coupling of racemic alkyl halides directly with heteroarene C(sp2 )-H bonds has been impeded by the use of a base at elevated temperature that leads to racemization. We herein report a copper(I)/cinchona-alkaloid-derived N,N,P-ligand catalytic system that enables oxidative addition with racemic alkyl bromides under mild conditions. Thus, coupling with azole C(sp2 )-H bonds has been achieved in high enantioselectivity, affording a number of potentially useful α-chiral alkylated azoles, such as 1,3,4-oxadiazoles, oxazoles, and benzo[d]oxazoles as well as 1,3,4-triazoles, for drug discovery. Mechanistic experiments indicated facile deprotonation of an azole C(sp2 )-H bond and the involvement of alkyl radical species under the reaction conditions.
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Affiliation(s)
- Xiao-Long Su
- Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi, 721013, China.,Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Liu Ye
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ji-Jun Chen
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiao-Dong Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Sheng-Peng Jiang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Fu-Li Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Lin Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Chang-Jiang Yang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiao-Yong Chang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zhong-Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Qiang-Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xin-Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
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30
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Huang WY, Lu CH, Ghorai S, Li B, Li C. Regio- and Enantioselective Allylic Alkylation of Terminal Alkynes by Synergistic Rh/Cu Catalysis. J Am Chem Soc 2020; 142:15276-15281. [PMID: 32815720 DOI: 10.1021/jacs.0c08283] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A highly branch- and enantioselective 1,4-enynes synthesis from readily available terminal alkynes and racemic allylic carbonates by Sonogashira type synergistic Rh and Cu catalysis under neutral conditions has been developed. Aliphatic and aromatic terminal alkynes with various functional groups could be used directly. An inner-sphere reductive elimination C(sp)-C(sp3) bond formation mechanism is supported by the stoichiometric reaction.
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Affiliation(s)
- Wen-Yu Huang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Chun-Hua Lu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Samir Ghorai
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Bing Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Changkun Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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31
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Hoveyda AH, Zhou Y, Shi Y, Brown MK, Wu H, Torker S. Sulfonate N‐Heterocyclic Carbene–Copper Complexes: Uniquely Effective Catalysts for Enantioselective Synthesis of C−C, C−B, C−H, and C−Si Bonds. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003755] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Amir H. Hoveyda
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
- Supramolecular Science and Engineering Institute University of Strasbourg CNRS 67000 Strasbourg France
| | - Yuebiao Zhou
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
| | - Ying Shi
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
| | - M. Kevin Brown
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
| | - Hao Wu
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
| | - Sebastian Torker
- Department of Chemistry Merkert Chemistry Center Boston College Chestnut Hill MA 02467 USA
- Supramolecular Science and Engineering Institute University of Strasbourg CNRS 67000 Strasbourg France
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32
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Hoveyda AH, Zhou Y, Shi Y, Brown MK, Wu H, Torker S. Sulfonate N-Heterocyclic Carbene-Copper Complexes: Uniquely Effective Catalysts for Enantioselective Synthesis of C-C, C-B, C-H, and C-Si Bonds. Angew Chem Int Ed Engl 2020; 59:21304-21359. [PMID: 32364640 DOI: 10.1002/anie.202003755] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Indexed: 12/21/2022]
Abstract
A copper-based complex that contains a sulfonate N-heterocyclic carbene ligand was first reported 15 years ago. Since then, these organometallic entities have proven to be uniquely effective in catalyzing an assortment of enantioselective transformations, including allylic substitutions, conjugate additions, proto-boryl additions to alkenes, boryl and silyl substitutions, hydride-allyl additions to alkenyl boronates, and additions of boron-containing allyl moieties to N-H ketimines. In this review article, we detail the shortcomings in the state-of-the-art that fueled the development of this air stable ligand class, members of which can be prepared on multigram scale. For each reaction type, when relevant, the prior art at the time of the advance involving sulfonate NHC-Cu catalysts and/or subsequent key developments are briefly analyzed, and the relevance of the advance to efficient and enantioselective total or formal synthesis of biologically active molecules is underscored. Mechanistic analysis of the structural attributes of sulfonate NHC-Cu catalysts that are responsible for their ability to facilitate transformations with high efficiency as well as regio- and enantioselectivity are detailed. This review contains several formerly undisclosed methodological advances and mechanistic analyses, the latter of which constitute a revision of previously reported proposals.
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Affiliation(s)
- Amir H Hoveyda
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA.,Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000, Strasbourg, France
| | - Yuebiao Zhou
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Ying Shi
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - M Kevin Brown
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Hao Wu
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA
| | - Sebastian Torker
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, 02467, USA.,Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, 67000, Strasbourg, France
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33
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Photoinduced Copper‐Catalyzed Asymmetric Decarboxylative Alkynylation with Terminal Alkynes. Angew Chem Int Ed Engl 2020; 59:16926-16932. [DOI: 10.1002/anie.202006317] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/24/2020] [Indexed: 12/13/2022]
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34
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Xia H, Li Z, Gu Q, Dong X, Fang J, Du X, Wang L, Liu X. Photoinduced Copper‐Catalyzed Asymmetric Decarboxylative Alkynylation with Terminal Alkynes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006317] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hai‐Dong Xia
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Zhong‐Liang Li
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Qiang‐Shuai Gu
- Academy for Advanced Interdisciplinary Studies and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
| | - Xiao‐Yang Dong
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Jia‐Heng Fang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Xuan‐Yi Du
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Li‐Lei Wang
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Xin‐Yuan Liu
- Shenzhen Grubbs Institute and Department of Chemistry Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
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35
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Kučera R, Goetzke FW, Fletcher SP. An Asymmetric Suzuki-Miyaura Approach to Prostaglandins: Synthesis of Tafluprost. Org Lett 2020; 22:2991-2994. [PMID: 32216289 DOI: 10.1021/acs.orglett.0c00745] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report the catalytic asymmetric synthesis of Tafluprost (1), a prostaglandin analogue. This synthesis demonstrates a new approach to prostaglandins involving symmetrization and desymmetrization of a racemic precursor to control the absolute and relative stereochemistry of the cyclopentyl core. Key steps include a diastereo- and enantioselective Rh-catalyzed Suzuki-Miyaura reaction of a racemic bicyclic allyl chloride and an alkenyl boronic acid and a regio- and diastereoselective Pd-catalyzed Tsuji-Trost reaction with an enolate surrogate.
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Affiliation(s)
- Roman Kučera
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - F Wieland Goetzke
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Stephen P Fletcher
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1 3TA, U.K
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36
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Casalta C, Bouzbouz S. Rhodium(III) Catalyzed Regioselective and Stereospecific Allylic Arylation in Water by β-Fluorine Elimination of the Allylic Fluoride: Toward the Synthesis of Z-Alkenyl-Unsaturated Amides. Org Lett 2020; 22:2359-2364. [PMID: 32159966 DOI: 10.1021/acs.orglett.0c00551] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A direct coupling of arylboronic acids with allylic fluorides was carried out in water without additives using a rhodium(III) catalyst (Cp*RhCl2)2. The transformation proceeded with excellent γ-selectivity to afford major allyl-aryl coupling products (Z) γ-substituted α,β-unsaturated amides. The reactions of α-chiral allylic fluorides took place with excellent α-to-γ chirality transfer to give allylated arenes with a stereogenic center at the benzylic and allylic position.
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Affiliation(s)
- Clément Casalta
- CNRS, University of Rouen, INSA of Rouen, COBRA UMR 6014, 1 rue Lucien Tesnière 76131, Mont Saint Aignan, France
| | - Samir Bouzbouz
- CNRS, University of Rouen, INSA of Rouen, COBRA UMR 6014, 1 rue Lucien Tesnière 76131, Mont Saint Aignan, France
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37
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Pareek M, Sunoj RB. Energetics of Dynamic Kinetic Asymmetric Transformation in Suzuki–Miyaura Coupling. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Monika Pareek
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Raghavan B. Sunoj
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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38
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Mateos J, Fuentes-Vara N, Fra L, Rivera-Chao E, Vázquez-Galiñanes N, Chaves-Pouso A, Fañanás-Mastral M. Transmetalation as Key Step in the Diastereo- and Enantioselective Synergistic Cu/Pd-Catalyzed Allylboration of Alkynes with Racemic Allylic Carbonates. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jaime Mateos
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Noelia Fuentes-Vara
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Laura Fra
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Eva Rivera-Chao
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Nuria Vázquez-Galiñanes
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Andrea Chaves-Pouso
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Martín Fañanás-Mastral
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
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39
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Xing J, Zhu W, Ye B, Lu T, Hayashi T, Dou X. Rhodium-Catalyzed Diverse Arylation of 2,5-Dihydrofuran: Controllable Divergent Synthesis via Four Pathways. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00265] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Junhao Xing
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Wanjiang Zhu
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Bihai Ye
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Tao Lu
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Tamio Hayashi
- Department of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Xiaowei Dou
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
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40
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Moku B, Fang WY, Leng J, Li L, Zha GF, Rakesh KP, Qin HL. Rh-Catalyzed Highly Enantioselective Synthesis of Aliphatic Sulfonyl Fluorides. iScience 2019; 21:695-705. [PMID: 31733515 PMCID: PMC6889689 DOI: 10.1016/j.isci.2019.10.051] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 10/14/2019] [Accepted: 10/24/2019] [Indexed: 11/25/2022] Open
Abstract
Rh-catalyzed, highly enantioselective (up to 99.8% ee) synthesis of aliphatic sulfonyl fluorides was accomplished. This protocol provides a portal to a class of novel 2-aryl substituted chiral sulfonyl fluorides, which are otherwise extremely difficult to access. This asymmetric synthesis has the feature of mild conditions, excellent functional group compatibility, and wide substrate scope (51 examples) generating a wide array of structurally unique chiral β-arylated sulfonyl fluorides for sulfur(VI) fluoride exchange (SuFEx) click reaction and drug discovery.
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Affiliation(s)
- Balakrishna Moku
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China
| | - Wan-Yin Fang
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China
| | - Jing Leng
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China
| | - Linxian Li
- Ming Wai Lau Centre for Reparative Medicine, Karolinska Institute, Hong Kong, China
| | - Gao-Feng Zha
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China; Ming Wai Lau Centre for Reparative Medicine, Karolinska Institute, Hong Kong, China
| | - K P Rakesh
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China
| | - Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures, and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P. R. China.
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41
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González J, Schäfer P, Fletcher SP. Highly Enantioselective Hiyama Cross-Coupling via Rh-Catalyzed Allylic Arylation of Racemic Allyl Chlorides. Organometallics 2019; 38:3991-3995. [PMID: 32055086 PMCID: PMC7009026 DOI: 10.1021/acs.organomet.9b00197] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Indexed: 01/17/2023]
Abstract
Highly enantioselective Hiyama cross-coupling reactions have been achieved through rhodium(I)-catalyzed dynamic kinetic asymmetric transformations between aryl siloxanes and cyclic racemic allyl halides. This process affords valuable enantiomerically enriched aryl-substituted cyclic allyl products and is compatible with heterocyclic allyl chloride electrophiles.
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Affiliation(s)
- Jesús González
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Philipp Schäfer
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Stephen P. Fletcher
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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42
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Moku B, Fang WY, Leng J, Kantchev EAB, Qin HL. Rh(I)–Diene-Catalyzed Addition of (Hetero)aryl Functionality to 1,3-Dienylsulfonyl Fluorides Achieving Exclusive Regioselectivity and High Enantioselectivity: Generality and Mechanism. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03640] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Balakrishna Moku
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, China
| | - Wan-Yin Fang
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, China
| | - Jing Leng
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, China
| | - Eric Assen B. Kantchev
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, China
| | - Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, China
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43
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Jacques R, Hell AM, Pullin RD, Fletcher SP. Desymmetrization of meso-bisphosphates via rhodium catalyzed asymmetric allylic arylation. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.130560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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44
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Ohtaka A, Kawase M, Usami A, Fukui S, Yamashita M, Yamaguchi K, Sakon A, Shiraki T, Ishida T, Nagata S, Kimura Y, Hamasaka G, Uozumi Y, Shinagawa T, Shimomura O, Nomura R. Mechanistic Study on Allylic Arylation in Water with Linear Polystyrene-Stabilized Pd and PdO Nanoparticles. ACS OMEGA 2019; 4:15764-15770. [PMID: 31572880 PMCID: PMC6761747 DOI: 10.1021/acsomega.9b02722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 09/05/2019] [Indexed: 06/10/2023]
Abstract
The catalytic cycle of allylic arylation in water catalyzed by linear polystyrene-stabilized Pd or PdO nanoparticles (PS-PdNPs or PS-PdONPs) was investigated. Stoichiometric stepwise reactions indicated that the reaction did not proceed stepwise on the surface of the catalyst. In the case of the reaction with PS-PdNPs, the leached Pd species is the catalytically active species and the reaction takes place through a similar reaction pathway accepted in the case of a complex catalyst. In contrast, allylic arylation using PS-PdONPs as a catalyst occurs via a Pd(II) catalytic cycle.
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Affiliation(s)
- Atsushi Ohtaka
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Misa Kawase
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Akira Usami
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Shiho Fukui
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Mana Yamashita
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Kazuki Yamaguchi
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Akira Sakon
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Tomoya Shiraki
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Taiki Ishida
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Soma Nagata
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Yuji Kimura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Go Hamasaka
- Institute
for Molecular Science (IMS), Higashiyama 5-1, Myodaiji, Okazaki 444-8787, Japan
| | - Yasuhiro Uozumi
- Institute
for Molecular Science (IMS), Higashiyama 5-1, Myodaiji, Okazaki 444-8787, Japan
| | - Tsutomu Shinagawa
- Osaka
Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto, Osaka 536-8553, Japan
| | - Osamu Shimomura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Ryôki Nomura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
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45
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González J, van Dijk L, Goetzke FW, Fletcher SP. Highly enantioselective rhodium-catalyzed cross-coupling of boronic acids and racemic allyl halides. Nat Protoc 2019; 14:2972-2985. [PMID: 31541227 DOI: 10.1038/s41596-019-0209-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 06/06/2019] [Indexed: 11/09/2022]
Abstract
Although Csp2-Csp2 Suzuki-Miyaura couplings (SMCs) are widely used in small-molecule synthesis, related methods that allow the incorporation of Csp3-hybridized coupling partners, particularly in an asymmetric manner, are less developed. This protocol describes catalytic asymmetric SMC reactions that provide access to enantiomerically enriched cyclic allylic products. The method couples racemic allyl halide starting materials with sp2-hybridized boronic acid derivatives and is compatible with heterocyclic coupling partners. These reactions are catalyzed by a rhodium-ligand complex and typically display very high levels of enantioselectivity (>95% enantiomeric excess (ee)). In this protocol, we detail a procedure using a dihydropyridine-derived allyl chloride for the synthesis of (-)-(S)-tert-butyl-3-(4-bromophenyl)-3,6-dihydropyridine-1(2H)-carboxylate, an intermediate in the synthesis of the anticancer drug niraparib. This procedure affords 1.17 g (86% yield) of the coupling product with 96% ee. The initial experimental setup of the reaction takes 45-50 min, and the reaction is complete within 4-5 h.
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Affiliation(s)
- Jesús González
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Lucy van Dijk
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - F Wieland Goetzke
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Stephen P Fletcher
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK.
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46
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Luo H, Hu G, Li P. Sulfur-Mediated Allylic C-H Arylation, Epoxidation, and Aziridination. J Org Chem 2019; 84:10569-10578. [PMID: 31287687 DOI: 10.1021/acs.joc.9b01438] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Transition-metal-free, sulfur-mediated allylic C-H arylation, epoxidation, and aziridination were realized through one-pot procedures. The reaction design involved initial addition between olefins and triflic anhydride activated sulfoxides, followed by subsequent reactions of the allylic sulfur ylides generated under basic conditions with arylboronic acids, aldehydes, or aldimines, to give allylic arylation, epoxidation, or aziridination products, respectively.
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Affiliation(s)
- Hang Luo
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China
| | - Gang Hu
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China.,Department of Chemistry , Baotou Teacher's College , Baotou 014030 , China
| | - Pingfan Li
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China
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47
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Goetzke FW, Mortimore M, Fletcher SP. Enantio‐ and Diastereoselective Suzuki–Miyaura Coupling with Racemic Bicycles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906478] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- F. Wieland Goetzke
- Department of ChemistryChemistry Research Laboratory, University of Oxford 12 Mansfield Road Oxford OX1 3TA UK
| | - Mike Mortimore
- Vertex Pharmaceuticals (Europe) Ltd 86–88 Jubilee Avenue, Milton Park Abingdon Oxfordshire OX14 4RW UK
| | - Stephen P. Fletcher
- Department of ChemistryChemistry Research Laboratory, University of Oxford 12 Mansfield Road Oxford OX1 3TA UK
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48
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Goetzke FW, Mortimore M, Fletcher SP. Enantio- and Diastereoselective Suzuki-Miyaura Coupling with Racemic Bicycles. Angew Chem Int Ed Engl 2019; 58:12128-12132. [PMID: 31246358 PMCID: PMC6771587 DOI: 10.1002/anie.201906478] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/17/2019] [Indexed: 01/08/2023]
Abstract
Herein, we describe a rhodium‐catalyzed enantio‐ and diastereoselective Suzuki–Miyaura cross‐coupling between racemic fused bicyclic allylic chlorides and boronic acids. The highly stereoselective transformation allows for the coupling of aryl, heteroaryl, and alkenyl boronic acids and gives access to functionalized bicyclic cyclopentenes, which can be converted into other five‐membered‐ring scaffolds with up to five contiguous stereocenters. Preliminary mechanistic studies suggest that these reactions occur with overall retention of the relative stereochemistry and are enantioconvergent for pseudo‐symmetric allylic chloride starting materials. In addition, a bicyclic allylic chloride starting material without pseudo‐symmetry undergoes a highly enantioselective regiodivergent reaction.
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Affiliation(s)
- F Wieland Goetzke
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Mike Mortimore
- Vertex Pharmaceuticals (Europe) Ltd, 86-88 Jubilee Avenue, Milton Park, Abingdon, Oxfordshire, OX14 4RW, UK
| | - Stephen P Fletcher
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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49
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Tang SB, Tu HF, Zhang X, You SL. Rhodium-Catalyzed Asymmetric Allylic Dearomatization of β-Naphthols: Enantioselective Control of Prochiral Nucleophiles. Org Lett 2019; 21:6130-6134. [DOI: 10.1021/acs.orglett.9b02285] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Sheng-Biao Tang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Hang-Fei Tu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiao Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China
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50
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Ge Y, Cui X, Tan SM, Jiang H, Ren J, Lee N, Lee R, Tan C. Guanidine–Copper Complex Catalyzed Allylic Borylation for the Enantioconvergent Synthesis of Tertiary Cyclic Allylboronates. Angew Chem Int Ed Engl 2019; 58:2382-2386. [DOI: 10.1002/anie.201813490] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/05/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Yicen Ge
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Xi‐Yang Cui
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Siu Min Tan
- Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Huan Jiang
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Jingyun Ren
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Nicholas Lee
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Richmond Lee
- Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Choon‐Hong Tan
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
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