1
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Li J, Huang J, Wang Y, Liu Y, Zhu Y, You H, Chen FE. Copper-catalyzed asymmetric allylic substitution of racemic/ meso substrates. Chem Sci 2024; 15:8280-8294. [PMID: 38846404 PMCID: PMC11151816 DOI: 10.1039/d4sc02135e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/06/2024] [Indexed: 06/09/2024] Open
Abstract
The synthesis of enantiomerically pure compounds is a pivotal subject in the field of chemistry, with enantioselective catalysis currently standing as the primary approach for delivering specific enantiomers. Among these strategies, Cu-catalyzed asymmetric allylic substitution (AAS) is significant and irreplaceable, especially when it comes to the use of non-stabilized nucleophiles (pK a > 25). Although Cu-catalyzed AAS of prochiral substrates has also been widely developed, methodologies involving racemic/meso substrates are highly desirable, as the substrates undergo dynamic processes to give single enantiomer products. Inspired by the pioneering work of the Alexakis, Feringa and Gennari groups, Cu-catalyzed AAS has been continuously employed in deracemization and desymmetrization processes for the synthesis of enantiomerically enriched products. In this review, we mainly focus on the developments of Cu-catalyzed AAS with racemic/meso substrates over the past two decades, providing an explicit outline of the ligands employed, the scope of nucleophiles, the underlying dynamic processes and their practical applications.
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Affiliation(s)
- Jun Li
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Junrong Huang
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yan Wang
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yuexin Liu
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yuxiang Zhu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University Shenzhen 518107 China
| | - Hengzhi You
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Fen-Er Chen
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University Shanghai 200433 China
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2
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Beig N, Goyal V, Bansal RK. Application of N-heterocyclic carbene-Cu(I) complexes as catalysts in organic synthesis: a review. Beilstein J Org Chem 2023; 19:1408-1442. [PMID: 37767335 PMCID: PMC10520485 DOI: 10.3762/bjoc.19.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
N-Heterocyclic carbenes (NHCs) are a special type of carbenes in which the carbene carbon atom is part of the nitrogen heterocyclic ring. Due to the simplicity of their synthesis and the modularity of their stereoelectronic properties, NHCs have unquestionably emerged as one of the most fascinating and well-known species in chemical science. The remarkable stability of NHCs can be attributed to both kinetic as well as thermodynamic effects caused by its structural features. NHCs constitute a well-established class of new ligands in organometallic chemistry. Although initially NHCs were regarded as pure σ-donor ligands, later experimental and theoretical studies established the presence of a significant back donation from the d-orbital of the metal to the π* orbital of the NHC. Over the last two decades, NHC-metal complexes have been extensively used as efficient catalysts in different types of organic reactions. Of these, NHC-Cu(I) complexes found prominence for various reasons, such as ease of preparation, possibility of structural diversity, low cost, and versatile applications. This article overviews applications of NHC-Cu(I) complexes as catalysts in organic synthesis over the last 12 years, which include hydrosilylation reactions, conjugate addition, [3 + 2] cycloaddition, A3 reaction, boration and hydroboration, N-H and C(sp2)-H carboxylation, C(sp2)-H alkenylation and allylation, C(sp2)-H arylation, C(sp2)-H amidation, and C(sp2)-H thiolation. Preceding the section of applications, a brief description of the structure of NHCs, nature of NHC-metal bond, and methods of preparation of NHC-Cu complexes is provided.
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Affiliation(s)
- Nosheen Beig
- Department of Chemistry, The IIS (deemed to be University), Jaipur, 302 020, India
| | - Varsha Goyal
- Department of Chemistry, The IIS (deemed to be University), Jaipur, 302 020, India
| | - Raj Kumar Bansal
- Department of Chemistry, The IIS (deemed to be University), Jaipur, 302 020, India
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3
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Yan SB, Wang R, Li ZG, Li AN, Wang C, Duan WL. Copper-catalyzed asymmetric C(sp 2)-H arylation for the synthesis of P- and axially chiral phosphorus compounds. Nat Commun 2023; 14:2264. [PMID: 37081007 PMCID: PMC10119316 DOI: 10.1038/s41467-023-37987-8] [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: 10/11/2022] [Accepted: 04/04/2023] [Indexed: 04/22/2023] Open
Abstract
Transition metal-catalyzed C-H bond functionalization is an important method in organic synthesis, but the development of methods that are lower cost and have a less environmental impact is desirable. Here, a Cu-catalyzed asymmetric C(sp2)-H arylation is reported. With diaryliodonium salts as arylating reagents, a range of ortho-arylated P-chiral phosphonic diamides were obtained in moderate to excellent yields with high enantioselectivities (up to 92% ee). Meanwhile, enantioselective C-3 arylation of diarylphosphine oxide indoles was also realized under similar conditions to construct axial chirality.
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Affiliation(s)
- Shao-Bai Yan
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China
| | - Rui Wang
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China
| | - Zha-Gen Li
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China
| | - An-Na Li
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China
| | - Chuanyong Wang
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China
| | - Wei-Liang Duan
- College of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Road, 225002, Yangzhou, China.
- College of Chemistry and Chemical Engineering, Inner Mongolia University, 235 West University Street, 010021, Hohhot, China.
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, 620 Xi Changan Street, 710119, Xi'an, China.
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4
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Lokolkar MS, Kolekar YA, Jagtap PA, Bhanage BM. Cu-Catalyzed C-C Coupling Reactions. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2022_81] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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5
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Felten S, He CQ, Weisel M, Shevlin M, Emmert MH. Accessing Diverse Azole Carboxylic Acid Building Blocks via Mild C–H Carboxylation: Parallel, One-Pot Amide Couplings and Machine-Learning-Guided Substrate Scope Design. J Am Chem Soc 2022; 144:23115-23126. [DOI: 10.1021/jacs.2c10557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Stephanie Felten
- Process Research & Development, MRL, Merck & Co. Inc, 126 E Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Cyndi Qixin He
- Computational and Structural Chemistry, MRL, Merck & Co. Inc, 126 E Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Mark Weisel
- Process Research & Development, MRL, Merck & Co. Inc, 126 E Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Michael Shevlin
- Process Research & Development, MRL, Merck & Co. Inc, 126 E Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Marion H. Emmert
- Process Research & Development, MRL, Merck & Co. Inc, 126 E Lincoln Avenue, Rahway, New Jersey 07065, United States
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6
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Kitabayashi A, Mizushima S, Higashida K, Yasuda Y, Shimizu Y, Sawamura M. Insights into the Mechanism of Enantioselective Copper‐Catalyzed Ring‐Opening Allylic Alkylation of Cyclopropanols. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Akito Kitabayashi
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Sho Mizushima
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Kosuke Higashida
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Yuto Yasuda
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Yohei Shimizu
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Masaya Sawamura
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
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7
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Ueda Y, Masuda Y, Iwai T, Imaeda K, Takeuchi H, Ueno K, Gao M, Hasegawa JY, Sawamura M. Photoinduced Copper-Catalyzed Asymmetric Acylation of Allylic Phosphates with Acylsilanes. J Am Chem Soc 2022; 144:2218-2224. [PMID: 34990146 DOI: 10.1021/jacs.1c11526] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We report a visible-light-induced copper-catalyzed highly enantioselective umpolung allylic acylation reaction with acylsilanes as acyl anion equivalents. Triplet-quenching experiments and DFT calculations supported our reaction design, which is based on copper-to-acyl metal-to-ligand charge transfer (MLCT) photoexcitation that generates a charge-separated triplet state as a highly reactive intermediate. According to the calculations, the allylic phosphate substrate in the excited state undergoes novel molecular activation into an allylic radical weakly bound to the copper complex. The allyl radical fragment undergoes copper-mediated regio- and stereocontrolled coupling with the acyl group under the influence of the chiral N-heterocyclic carbene ligand.
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Affiliation(s)
- Yusuke Ueda
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Yusuke Masuda
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 001-0021, Japan.,Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Tomohiro Iwai
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Keisuke Imaeda
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Hiroki Takeuchi
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Kosei Ueno
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
| | - Min Gao
- Institute for Catalysis, Hokkaido University, Sapporo, Hokkaido 001-0021, Japan
| | - Jun-Ya Hasegawa
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 001-0021, Japan.,Institute for Catalysis, Hokkaido University, Sapporo, Hokkaido 001-0021, Japan
| | - Masaya Sawamura
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 001-0021, Japan.,Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
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8
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Liu XL, Jiang LB, Luo MP, Ren Z, Wang SG. Recent advances in catalytic enantioselective direct C–H bond functionalization of electron-deficient N-containing heteroarenes. Org Chem Front 2022. [DOI: 10.1039/d1qo01223a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Catalytic enantioselective direct C–H bond functionalization of electron-deficient N-containing heteroarenes represents one of the most straightforward and powerful protocols to construct diverse enantioenriched highly functionalized N-heteroarenes.
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Affiliation(s)
- Xiao-Lan Liu
- School of Medical Imaging, Xuzhou Medical University, Xuzhou, China
| | - Luo-Bin Jiang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen, China
| | - Mu-Peng Luo
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen, China
| | - Zhi Ren
- College of Pharmacy, Shenzhen Technology University, 3002 Lantian Road, Shenzhen, China
| | - Shou-Guo Wang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen, China
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9
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Neshat A, Mastrorilli P, Mousavizadeh Mobarakeh A. Recent Advances in Catalysis Involving Bidentate N-Heterocyclic Carbene Ligands. Molecules 2021; 27:95. [PMID: 35011327 PMCID: PMC8746573 DOI: 10.3390/molecules27010095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/02/2021] [Accepted: 12/13/2021] [Indexed: 11/17/2022] Open
Abstract
Since the discovery of persistent carbenes by the isolation of 1,3-di-l-adamantylimidazol-2-ylidene by Arduengo and coworkers, we witnessed a fast growth in the design and applications of this class of ligands and their metal complexes. Modular synthesis and ease of electronic and steric adjustability made this class of sigma donors highly popular among chemists. While the nature of the metal-carbon bond in transition metal complexes bearing N-heterocyclic carbenes (NHCs) is predominantly considered to be neutral sigma or dative bonds, the strength of the bond is highly dependent on the energy match between the highest occupied molecular orbital (HOMO) of the NHC ligand and that of the metal ion. Because of their versatility, the coordination chemistry of NHC ligands with was explored with almost all transition metal ions. Other than the transition metals, NHCs are also capable of establishing a chemical bond with the main group elements. The advances in the catalytic applications of the NHC ligands linked with a second tether are discussed. For clarity, more frequently targeted catalytic reactions are considered first. Carbon-carbon coupling reactions, transfer hydrogenation of alkenes and carbonyl compounds, ketone hydrosilylation, and chiral catalysis are among highly popular reactions. Areas where the efficacy of the NHC based catalytic systems were explored to a lesser extent include CO2 reduction, C-H borylation, alkyl amination, and hydroamination reactions. Furthermore, the synthesis and applications of transition metal complexes are covered.
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Affiliation(s)
- Abdollah Neshat
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran;
| | - Piero Mastrorilli
- Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica, Politecnico di Bari, Via Orabona, I-70125 Bari, Italy;
| | - Ali Mousavizadeh Mobarakeh
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran;
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10
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Bera A, Kabadwal LM, Bera S, Banerjee D. Recent advances on non-precious metal-catalyzed C-H functionalization of N-heteroarenes. Chem Commun (Camb) 2021; 58:10-28. [PMID: 34874036 DOI: 10.1039/d1cc05899a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
N-Heteroarenes are widely used for numerous medicinal applications, lifesaving drugs and show utmost importance as intermediates in chemical synthesis. This feature article highlights the recent advances, from 2015 to August 2021, on sp2 and sp3 C-H bond functionalization reactions of various N-heteroarenes catalyzed by non-precious transition metals (Mn, Co, Fe, Ni, etc.). The salient features of the report are: (i) the development of newer catalysis for Csp2-H activation of N-heteroarenes and categorized into alkylation, alkenylation, borylation, cyanation, and annulation reactions, (ii) recent advances on Csp3-H bond functionalization of N-heteroarenes considering newer approaches for alkylation as well as alkenylation processes, and (iii) synthetic applications and practical utility of the catalytic protocols utilized for late-stage drug development; (iv) scope for the development of newer catalytic protocols along with mechanistic studies and detail mechanistic findings of various important processes.
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Affiliation(s)
- Atanu Bera
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Lalit Mohan Kabadwal
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Sourajit Bera
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Debasis Banerjee
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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11
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Zhang Q, Zhou S, Shi C, Yin L. Catalytic Asymmetric Allylic Substitution with Copper(I) Homoenolates Generated from Cyclopropanols. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qi Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Si‐Wei Zhou
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Chang‐Yun Shi
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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12
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Zhang Q, Zhou SW, Shi CY, Yin L. Catalytic Asymmetric Allylic Substitution with Copper(I) Homoenolates Generated from Cyclopropanols. Angew Chem Int Ed Engl 2021; 60:26351-26356. [PMID: 34617380 DOI: 10.1002/anie.202110709] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/30/2021] [Indexed: 12/23/2022]
Abstract
By using copper(I) homoenolates as nucleophiles, which are generated through the ring-opening of 1-substituted cyclopropane-1-ols, a catalytic asymmetric allylic substitution with allyl phosphates is achieved in high to excellent yields with high enantioselectivity. Both 1-substituted cyclopropane-1-ols and allylic phosphates enjoy broad substrate scopes. Remarkably, various functional groups, such as ether, ester, tosylate, imide, alcohol, nitro, and carbamate are well tolerated. Moreover, the present method is nicely extended to the asymmetric construction of quaternary carbon centers. Some control experiments argue against a radical-based reaction mechanism and a catalytic cycle based on a two-electron process is proposed. Finally, the synthetic utilities of the product are showcased by means of the transformations of the terminal olefin group and the ketone group.
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Affiliation(s)
- Qi Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Si-Wei Zhou
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Chang-Yun Shi
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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13
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Affiliation(s)
- Xiaodong Ma
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Guozhu Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
- College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
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14
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Süsse L, Stoltz BM. Enantioselective Formation of Quaternary Centers by Allylic Alkylation with First-Row Transition-Metal Catalysts. Chem Rev 2021; 121:4084-4099. [DOI: 10.1021/acs.chemrev.0c01115] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Lars Süsse
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Brian M. Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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15
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Emmert MH, He CQ, Shah AA, Felten S. Lewis acid mediated, mild C-H aminoalkylation of azoles via three component coupling. Chem Sci 2021; 12:3890-3897. [PMID: 34163658 PMCID: PMC8179430 DOI: 10.1039/d0sc06868c] [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] [Indexed: 11/21/2022] Open
Abstract
This manuscript reports the development of a mild, highly functional group tolerant and metal-free C–H aminoalkylation of azoles via a three-component coupling approach. This method enables the C–H functionalization of diverse azole substrates, such as oxazoles, benzoxazoles, thiazoles, benzothiazoles, imidazoles, and benzimidazoles. DFT calculations identify a key deprotonation equilibrium in the mechanism of the reaction. Using DFT as a predictive tool, the C–H aminoalkylation of initially unreactive substrates (imidazoles/benzimidazoles) can be enabled through an in situ protecting/activating group strategy. The DFT-supported mechanistic pathway proposes key interactions between the azole substrate and the Lewis acid/base pair TBSOTf/EtNiPr2 that lead to azole activation by deprotonation, followed by C–C bond formation between a carbene intermediate and an iminium electrophile. Two diverse approaches are demonstrated to explore the amine substrate scope: (i) a DFT-guided predictive analysis of amine components that relates reactivity to distortion of the iminium intermediates in the computed transition state structures; and (ii) a parallel medicinal chemistry workflow enabling synthesis and isolation of several diversified products at the same time. Overall, the presented work enables a metal-free approach to azole C–H functionalization via Lewis acid mediated azole C–H deprotonation, demonstrating the potential of a readily available, Si-based Lewis acid to mediate new C–C bond formations. Lewis acid mediated activation enables mild, metal-free, and highly functional group tolerant C–H aminoalkylation of diverse azoles via three-component coupling.![]()
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Affiliation(s)
- Marion H Emmert
- Process Research & Development, MRL, Merck & Co. Inc. 770 Sumneytown Pike, West Point PA 19486 USA
| | - Cyndi Qixin He
- Computational and Structural Chemistry, MRL, Merck & Co. Inc. 126 E Lincoln Ave Rahway NJ 07065 USA
| | - Akshay A Shah
- Discovery Chemistry, MRL, Merck & Co. Inc. 770 Sumneytown Pike, West Point PA 19486 USA
| | - Stephanie Felten
- Process Research & Development, MRL, Merck & Co. Inc. 770 Sumneytown Pike, West Point PA 19486 USA
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16
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Li C, Chen B, Ma X, Mo X, Zhang G. Light‐Promoted Copper‐Catalyzed Enantioselective Alkylation of Azoles. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202009323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Chen Li
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Bin Chen
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Xiaodong Ma
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Xueling Mo
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Guozhu Zhang
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
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17
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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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18
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Li C, Chen B, Ma X, Mo X, Zhang G. Light‐Promoted Copper‐Catalyzed Enantioselective Alkylation of Azoles. Angew Chem Int Ed Engl 2020; 60:2130-2134. [DOI: 10.1002/anie.202009323] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/06/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Chen Li
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Bin Chen
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Xiaodong Ma
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Xueling Mo
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Guozhu Zhang
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Center for Excellence in Molecular Synthesis University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
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19
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Abstract
Catalytic asymmetric conjugate allylation of unsaturated carbonyl compounds is usually difficult to achieve, as 1,2-addition proceeds dominantly and high asymmetric induction is a challenging task. Herein, we disclose a copper(I)-NHC complex catalyzed asymmetric 1,6-conjugate allylation of 2,2-dimethyl-6-alkenyl-4H-1,3-dioxin-4-ones. The phenolic hydroxyl group in NHC ligands is found to be pivotal to obtain the desired products. Both aryl group and alkyl group at δ-position are well tolerated with the corresponding products generated in moderate to high yields and high enantioselectivity. Moreover, both 2-substituted and 3-substituted allylboronates serve as acceptable allylation reagents. At last, the synthetic utility of the products is demonstrated in several transformations by means of the versatile terminal olefin and dioxinone groups. Catalytic asymmetric conjugate allylation of unsaturated carbonyl compounds is usually difficult to achieve due to competing 1,2-addition. Here, the authors report a copper(I)-catalyzed asymmetric 1,6-conjugate allylation of 2,2-dimethyl-6-alkenyl-4H-1,3-dioxin-4-ones with good scope and high enantioselectivity.
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20
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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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21
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Fanourakis A, Docherty PJ, Chuentragool P, Phipps RJ. Recent Developments in Enantioselective Transition Metal Catalysis Featuring Attractive Noncovalent Interactions between Ligand and Substrate. ACS Catal 2020; 10:10672-10714. [PMID: 32983588 PMCID: PMC7507755 DOI: 10.1021/acscatal.0c02957] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/14/2020] [Indexed: 12/11/2022]
Abstract
Enantioselective transition metal catalysis is an area very much at the forefront of contemporary synthetic research. The development of processes that enable the efficient synthesis of enantiopure compounds is of unquestionable importance to chemists working within the many diverse fields of the central science. Traditional approaches to solving this challenge have typically relied on leveraging repulsive steric interactions between chiral ligands and substrates in order to raise the energy of one of the diastereomeric transition states over the other. By contrast, this Review examines an alternative tactic in which a set of attractive noncovalent interactions operating between transition metal ligands and substrates are used to control enantioselectivity. Examples where this creative approach has been successfully applied to render fundamental synthetic processes enantioselective are presented and discussed. In many of the cases examined, the ligand scaffold has been carefully designed to accommodate these attractive interactions, while in others, the importance of the critical interactions was only elucidated in subsequent computational and mechanistic studies. Through an exploration and discussion of recent reports encompassing a wide range of reaction classes, we hope to inspire synthetic chemists to continue to develop asymmetric transformations based on this powerful concept.
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Affiliation(s)
- Alexander Fanourakis
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Philip J. Docherty
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Padon Chuentragool
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Robert J. Phipps
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
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22
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Mimura S, Mizushima S, Shimizu Y, Sawamura M. Copper-catalyzed enantioselective conjugate reduction of α,β-unsaturated esters with chiral phenol-carbene ligands. Beilstein J Org Chem 2020; 16:537-543. [PMID: 32280383 PMCID: PMC7136546 DOI: 10.3762/bjoc.16.50] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 02/05/2020] [Indexed: 11/23/2022] Open
Abstract
A chiral phenol–NHC ligand enabled the copper-catalyzed enantioselective conjugate reduction of α,β-unsaturated esters. The phenol moiety of the chiral NHC ligand played a critical role in producing the enantiomerically enriched products. The catalyst worked well for various (Z)-isomer substrates. Opposite enantiomers were obtained from (Z)- and (E)-isomers, with a higher enantiomeric excess from the (Z)-isomer.
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Affiliation(s)
- Shohei Mimura
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Sho Mizushima
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Yohei Shimizu
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan.,Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita 21 Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Masaya Sawamura
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan.,Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita 21 Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
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23
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Thongpaen J, Manguin R, Baslé O. Chiral N‐Heterocyclic Carbene Ligands Enable Asymmetric C−H Bond Functionalization. Angew Chem Int Ed Engl 2020; 59:10242-10251. [DOI: 10.1002/anie.201911898] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/19/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Jompol Thongpaen
- LCC-CNRS Université de Toulouse, CNRS Toulouse France
- Univ Rennes Ecole Nationale Supérieure de Chimie de Rennes CNRS, ISCR—UMR 6226 F-35000 Rennes France
| | - Romane Manguin
- Univ Rennes Ecole Nationale Supérieure de Chimie de Rennes CNRS, ISCR—UMR 6226 F-35000 Rennes France
| | - Olivier Baslé
- LCC-CNRS Université de Toulouse, CNRS Toulouse France
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24
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Thongpaen J, Manguin R, Baslé O. Chiral N‐Heterocyclic Carbene Ligands Enable Asymmetric C−H Bond Functionalization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911898] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jompol Thongpaen
- LCC-CNRS Université de Toulouse, CNRS Toulouse France
- Univ Rennes Ecole Nationale Supérieure de Chimie de Rennes CNRS, ISCR—UMR 6226 F-35000 Rennes France
| | - Romane Manguin
- Univ Rennes Ecole Nationale Supérieure de Chimie de Rennes CNRS, ISCR—UMR 6226 F-35000 Rennes France
| | - Olivier Baslé
- LCC-CNRS Université de Toulouse, CNRS Toulouse France
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25
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Li JF, Wang YF, Wu YY, Liu WJ, Wang JW. Nickel-Catalyzed Esterification of Amides Under Mild Conditions. Catal Letters 2020. [DOI: 10.1007/s10562-019-02966-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Abstract
In this contribution, we provide a comprehensive overview of C-H activation methods promoted by NHC-transition metal complexes, covering the literature since 2002 (the year of the first report on metal-NHC-catalyzed C-H activation) through June 2019, focusing on both NHC ligands and C-H activation methods. This review covers C-H activation reactions catalyzed by group 8 to 11 NHC-metal complexes. Through discussing the role of NHC ligands in promoting challenging C-H activation methods, the reader is provided with an overview of this important area and its crucial role in forging carbon-carbon and carbon-heteroatom bonds by directly engaging ubiquitous C-H bonds.
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Affiliation(s)
- Qun Zhao
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Guangrong Meng
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry , Ghent University , Krijgslaan 281 , 9000 Ghent , Belgium
| | - Michal Szostak
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
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27
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Wu Y, Huo X, Zhang W. Synergistic Pd/Cu Catalysis in Organic Synthesis. Chemistry 2020; 26:4895-4916. [DOI: 10.1002/chem.201904495] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Yue Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
- Zhiyuan CollegeShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Xiaohong Huo
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China
- College of Chemistry and Molecular EngineeringZhengzhou University 75 Daxue Road Zhengzhou 450052 P. R. China
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28
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Chiral N-heterocyclic carbene ligands with additional chelating group(s) applied to homogeneous metal-mediated asymmetric catalysis. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.05.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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29
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Diesel J, Grosheva D, Kodama S, Cramer N. A Bulky Chiral N‐Heterocyclic Carbene Nickel Catalyst Enables Enantioselective C−H Functionalizations of Indoles and Pyrroles. Angew Chem Int Ed Engl 2019; 58:11044-11048. [DOI: 10.1002/anie.201904774] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Johannes Diesel
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Daria Grosheva
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Shota Kodama
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
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30
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Woźniak Ł, Cramer N. Enantioselective C H Bond Functionalizations by 3d Transition-Metal Catalysts. TRENDS IN CHEMISTRY 2019. [DOI: 10.1016/j.trechm.2019.03.013] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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31
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Loup J, Dhawa U, Pesciaioli F, Wencel‐Delord J, Ackermann L. Enantioselective C−H Activation with Earth‐Abundant 3d Transition Metals. Angew Chem Int Ed Engl 2019; 58:12803-12818. [DOI: 10.1002/anie.201904214] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Joachim Loup
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Fabio Pesciaioli
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace, ECPM 25 Rue Becquerel 67087 Strasbourg France
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
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32
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Loup J, Dhawa U, Pesciaioli F, Wencel‐Delord J, Ackermann L. Enantioselektive C‐H‐Aktivierung mit natürlich vorkommenden 3d‐Übergangsmetallen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904214] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Joachim Loup
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Fabio Pesciaioli
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace, ECPM 25 Rue Becquerel 67087 Strasbourg Frankreich
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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33
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Diesel J, Grosheva D, Kodama S, Cramer N. A Bulky Chiral N‐Heterocyclic Carbene Nickel Catalyst Enables Enantioselective C−H Functionalizations of Indoles and Pyrroles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904774] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Johannes Diesel
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Daria Grosheva
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Shota Kodama
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and SynthesisEPFL SB ISIC LCSA, BCH 4305 1015 Lausanne Switzerland
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34
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Schwartz LA, Holmes M, Brito GA, Gonçalves TP, Richardson J, Ruble JC, Huang KW, Krische MJ. Cyclometalated Iridium-PhanePhos Complexes Are Active Catalysts in Enantioselective Allene-Fluoral Reductive Coupling and Related Alcohol-Mediated Carbonyl Additions That Form Acyclic Quaternary Carbon Stereocenters. J Am Chem Soc 2019; 141:2087-2096. [PMID: 30681850 PMCID: PMC6423978 DOI: 10.1021/jacs.8b11868] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Iridium complexes modified by the chiral phosphine ligand PhanePhos catalyze the 2-propanol-mediated reductive coupling of diverse 1,1-disubstituted allenes 1a-1u with fluoral hydrate 2a to form CF3-substituted secondary alcohols 3a-3u that incorporate acyclic quaternary carbon-containing stereodiads. By exploiting concentration-dependent stereoselectivity effects related to the interconversion of kinetic ( Z)- and thermodynamic ( E)-σ-allyliridium isomers, adducts 3a-3u are formed with complete levels of branched regioselectivity and high levels of anti-diastereo- and enantioselectivity. The utility of this method for construction of CF3-oxetanes and CF3-azetidines is illustrated by the formation of 4a and 6a, respectively. Studies of the reaction mechanism aimed at illuminating the singular effectiveness of PhanePhos as a supporting ligand in this and related transformations have led to the identification of a chromatographically stable cyclometalated iridium-( R)-PhanePhos complex, Ir-PP-I, that is catalytically competent for allene-fluoral reductive coupling and previously reported transfer hydrogenative C-C couplings of dienes or CF3-allenes with methanol. Deuterium labeling studies, reaction progress kinetic analysis (RPKA) and computational studies corroborate a catalytic mechanism involving rapid allene hydrometalation followed by turnover-limiting carbonyl addition. A computationally determined stereochemical model shows that the ortho-CH2 group of the cyclometalated iridium-PhanePhos complex plays a key role in directing diastereo- and enantioselectivity. The collective data provide key insights into the structural-interactional features of allyliridium complexes required to enforce nucleophilic character, which should inform the design of related cyclometalated catalysts for umpoled allylation.
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Affiliation(s)
- Leyah A Schwartz
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
| | - Michael Holmes
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
| | - Gilmar A Brito
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
| | - Théo P Gonçalves
- KAUST Catalysis Center and Division of Physical Sciences and Engineering , King Abdullah University of Science and Technology (KAUST) , Thuwal 23955-6900 , Saudi Arabia
| | - Jeffery Richardson
- Discovery Chemistry Research and Technologies , Eli Lilly and Company Limited , Erl Wood Manor , Windlesham , Surrey GU20 6PH , United Kingdom
| | - J Craig Ruble
- Discovery Chemistry Research and Technologies , Eli Lilly and Company , Indianapolis , Indiana 46285 , United States
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and Engineering , King Abdullah University of Science and Technology (KAUST) , Thuwal 23955-6900 , Saudi Arabia
| | - Michael J Krische
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
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35
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Gandeepan P, Müller T, Zell D, Cera G, Warratz S, Ackermann L. 3d Transition Metals for C-H Activation. Chem Rev 2018; 119:2192-2452. [PMID: 30480438 DOI: 10.1021/acs.chemrev.8b00507] [Citation(s) in RCA: 1441] [Impact Index Per Article: 240.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018.
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Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Daniel Zell
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Gianpiero Cera
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Svenja Warratz
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
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Hédouin J, Schneider C, Gillaizeau I, Hoarau C. Palladium-Catalyzed Domino Allenamide Carbopalladation/Direct C–H Allylation of Heteroarenes: Synthesis of Primprinine and Papaverine Analogues. Org Lett 2018; 20:6027-6032. [DOI: 10.1021/acs.orglett.8b02365] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jonathan Hédouin
- INSA Rouen, CNRS, COBRA, Normandie Univ, UNIROUEN, 76000 Rouen, France
| | - Cédric Schneider
- INSA Rouen, CNRS, COBRA, Normandie Univ, UNIROUEN, 76000 Rouen, France
| | | | - Christophe Hoarau
- INSA Rouen, CNRS, COBRA, Normandie Univ, UNIROUEN, 76000 Rouen, France
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37
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Feng J, Holmes M, Krische MJ. Acyclic Quaternary Carbon Stereocenters via Enantioselective Transition Metal Catalysis. Chem Rev 2017; 117:12564-12580. [PMID: 28910092 PMCID: PMC5651685 DOI: 10.1021/acs.chemrev.7b00385] [Citation(s) in RCA: 306] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Whereas numerous asymmetric methods for formation of quaternary carbon stereocenters in cyclic systems have been documented, the construction of acyclic quaternary carbon stereocenters with control of absolute stereochemistry remains a formidable challenge. This Review summarizes enantioselective methods for the construction of acyclic quaternary carbon stereocenters from achiral or chiral racemic reactants via transition metal catalysis.
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Affiliation(s)
- Jiajie Feng
- Department of Chemistry, Welch Hall (A5300), University of Texas at Austin , 105 East 24th Street, Austin, Texas 78712, United States
| | - Michael Holmes
- Department of Chemistry, Welch Hall (A5300), University of Texas at Austin , 105 East 24th Street, Austin, Texas 78712, United States
| | - Michael J Krische
- Department of Chemistry, Welch Hall (A5300), University of Texas at Austin , 105 East 24th Street, Austin, Texas 78712, United States
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38
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Iwasaki T, Okamoto K, Kuniyasu H, Kambe N. Cu-catalyzed Reductive Coupling of Perfluoroarenes with 1,3-Dienes. CHEM LETT 2017. [DOI: 10.1246/cl.170650] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871
| | - Kanako Okamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871
| | - Hitoshi Kuniyasu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871
| | - Nobuaki Kambe
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871
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39
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Pape F, Teichert JF. Dealing at Arm's Length: Catalysis with N-Heterocyclic Carbene Ligands Bearing Anionic Tethers. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700124] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Felix Pape
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 115 10623 Berlin Germany
| | - Johannes F. Teichert
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 115 10623 Berlin Germany
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40
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Hojoh K, Ohmiya H, Sawamura M. Synthesis of α-Quaternary Formimides and Aldehydes through Umpolung Asymmetric Copper Catalysis with Isocyanides. J Am Chem Soc 2017; 139:2184-2187. [PMID: 28125781 DOI: 10.1021/jacs.6b12881] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A highly regio- and enantioselective copper-catalyzed three-component coupling of isocyanides, hydrosilanes, and γ,γ-disubstituted allylic phosphates/chlorides to afford chiral α-quaternary formimides was enabled by the combined use of our original chiral naphthol-carbene ligand as a functional Cu-supporting ligand and LiOtBu as a stoichiometric Lewis base for Si. The formimides were readily converted to α-quaternary aldehydes.
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Affiliation(s)
- Kentaro Hojoh
- Department of Chemistry, Faculty of Science, Hokkaido University , Sapporo 060-0810, Japan
| | - Hirohisa Ohmiya
- Department of Chemistry, Faculty of Science, Hokkaido University , Sapporo 060-0810, Japan
| | - Masaya Sawamura
- Department of Chemistry, Faculty of Science, Hokkaido University , Sapporo 060-0810, Japan
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41
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Asai S, Kato M, Monguchi Y, Sajiki H, Sawama Y. Phosphate-Mediated Enyne Synthesis from Allenols. ChemistrySelect 2017. [DOI: 10.1002/slct.201601789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Shota Asai
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Maho Kato
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
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42
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Novartis Early Career Award: T. J. Maimone and M. K. Brown / Nagoya Gold Medal: S. L. Buchwald / Nagoya Silver Medal: M. Sawamura. Angew Chem Int Ed Engl 2017; 56:679. [DOI: 10.1002/anie.201611502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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43
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Novartis Early Career Award: T. J. Maimone und M. K. Brown / Nagoya‐Goldmedaille: S. L. Buchwald / Nagoya‐Silbermedaille: M. Sawamura. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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44
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Kljajic M, Puschnig JG, Weber H, Breinbauer R. Additive-Free Pd-Catalyzed α-Allylation of Imine-Containing Heterocycles. Org Lett 2017; 19:126-129. [PMID: 27936786 PMCID: PMC5223276 DOI: 10.1021/acs.orglett.6b03407] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Indexed: 11/28/2022]
Abstract
An additive-free Pd-catalyzed α-allylation of different imino-group-ontaining heterocycles is reported. The activation of α-CH pronucleophiles (pKa (DMSO) > 25) occurs without the addition of strong bases or Lewis acids using only the Pd/Xantphos catalyst system. The reaction scope has been studied for various 5- and 6-membered nitrogen-containing heterocycles (yields up to 96%). Mechanistic investigations suggest an initial allylation of the imine-N followed by a Pd-catalyzed formal aza-Claisen rearrangement.
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Affiliation(s)
- Marko Kljajic
- Institute
of Organic Chemistry, Graz University of
Technology, Stremayrgasse
9, A-8010 Graz, Austria
| | - Johannes G. Puschnig
- Institute
of Organic Chemistry, Graz University of
Technology, Stremayrgasse
9, A-8010 Graz, Austria
| | - Hansjörg Weber
- Institute
of Organic Chemistry, Graz University of
Technology, Stremayrgasse
9, A-8010 Graz, Austria
| | - Rolf Breinbauer
- Institute
of Organic Chemistry, Graz University of
Technology, Stremayrgasse
9, A-8010 Graz, Austria
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45
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Ling T, Rivas F. All-carbon quaternary centers in natural products and medicinal chemistry: recent advances. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.09.002] [Citation(s) in RCA: 155] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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46
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Guduguntla S, Gualtierotti JB, Goh SS, Feringa BL. Enantioselective Synthesis of Di- and Tri-Arylated All-Carbon Quaternary Stereocenters via Copper-Catalyzed Allylic Arylations with Organolithium Compounds. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01681] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Sureshbabu Guduguntla
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Jean-Baptiste Gualtierotti
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Shermin S. Goh
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
| | - Ben L. Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
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47
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Yasuda Y, Ohmiya H, Sawamura M. Copper-Catalyzed Enantioselective Allyl-Allyl Coupling between Allylic Boronates and Phosphates with a Phenol/N-Heterocyclic Carbene Chiral Ligand. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605125] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yuto Yasuda
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Hirohisa Ohmiya
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Masaya Sawamura
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
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48
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Yasuda Y, Ohmiya H, Sawamura M. Copper-Catalyzed Enantioselective Allyl-Allyl Coupling between Allylic Boronates and Phosphates with a Phenol/N-Heterocyclic Carbene Chiral Ligand. Angew Chem Int Ed Engl 2016; 55:10816-20. [DOI: 10.1002/anie.201605125] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 06/28/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Yuto Yasuda
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Hirohisa Ohmiya
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Masaya Sawamura
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
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49
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Tsuchida K, Senda Y, Nakajima K, Nishibayashi Y. Construction of Chiral Tri‐ and Tetra‐Arylmethanes Bearing Quaternary Carbon Centers: Copper‐Catalyzed Enantioselective Propargylation of Indoles with Propargylic Esters. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604182] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Kouhei Tsuchida
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yasushi Senda
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazunari Nakajima
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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50
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Tsuchida K, Senda Y, Nakajima K, Nishibayashi Y. Construction of Chiral Tri‐ and Tetra‐Arylmethanes Bearing Quaternary Carbon Centers: Copper‐Catalyzed Enantioselective Propargylation of Indoles with Propargylic Esters. Angew Chem Int Ed Engl 2016; 55:9728-32. [DOI: 10.1002/anie.201604182] [Citation(s) in RCA: 106] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Kouhei Tsuchida
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yasushi Senda
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazunari Nakajima
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School of Engineering The University of Tokyo, Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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