1
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Puigcerver J, Zamora-Gallego JM, Marin-Luna M, Martinez-Cuezva A, Berna J. Urea-Based [2]Rotaxanes as Effective Phase-Transfer Organocatalysts: Hydrogen-Bonding Cooperative Activation Enabled by the Mechanical Bond. J Am Chem Soc 2024. [PMID: 38975636 DOI: 10.1021/jacs.4c06630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
We finely designed a set of [2]rotaxanes with urea threads and tested them as hydrogen-bonding phase-transfer catalysts in two different nucleophilic substitutions requiring the activation of the reactant fluoride anion. The [2]rotaxane bearing a fluorinated macrocycle and a fluorine-containing urea thread displayed significantly enhanced catalytic activity in comparison with the combination of both noninterlocked components. This fact highlights the notably beneficial role of the mechanical bond, cooperatively activating the processes through hydrogen-bonding interactions.
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Affiliation(s)
- Julio Puigcerver
- Departamento de Quimica Organica, Facultad de Quimica, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, E-30100 Murcia, Spain
| | - Jose M Zamora-Gallego
- Departamento de Quimica Organica, Facultad de Quimica, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, E-30100 Murcia, Spain
| | - Marta Marin-Luna
- Departamento de Quimica Organica, Facultad de Quimica, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, E-30100 Murcia, Spain
| | - Alberto Martinez-Cuezva
- Departamento de Quimica Organica, Facultad de Quimica, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, E-30100 Murcia, Spain
| | - Jose Berna
- Departamento de Quimica Organica, Facultad de Quimica, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, E-30100 Murcia, Spain
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2
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Jo J, Kim S, Park S, Kim S, Lee S, Choi JH, Chung WJ. Study on Pyridine-Boryl Radical-Promoted, Ketyl Radical-Mediated Carbon-Carbon Bond-Forming Reactions. J Org Chem 2024; 89:8985-9000. [PMID: 38861548 DOI: 10.1021/acs.joc.4c00946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
Ketyl radicals are synthetically versatile reactive species, but their applications have been hampered by harsh generation conditions employing highly reducing metals. Recently, the pyridine-boryl radical received wide attention as a promising organic reductant because of its mildness as well as convenience in handling. While probing the utility of the pyridine-boryl radical, our group observed facile pinacol coupling reactivity that had not been known at that time. This serendipitous finding was successfully rendered into a practical synthesis of tetraaryl-1,2-diols in up to 99% yield within 1 h. Subsequently, upon examinations of various reaction manifolds, a diastereoselective ketyl-olefin cyclization was accomplished to produce cycloalkanols such as trans-2-alkyl-1-indanols. Compared to the previous methods, the stereocontrolling ability was considerably enhanced by taking advantage of the structurally modifiable boryl group that would be present near the bond-forming site. In this full account, our synthetic efforts with the O-boryl ketyl radicals are disclosed in detail, covering the discovery, optimization, scope expansion, and mechanistic analysis, including density functional theory (DFT) calculations.
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Affiliation(s)
- Junhyuk Jo
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Somi Kim
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Seonyoung Park
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Seonyul Kim
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Sunggi Lee
- Department of Physics and Chemistry, DGIST, 333 Techno jungang-daero, Hyeonpung-eup, Dalseong-gun, Daegu 42988, Republic of Korea
| | - Jun-Ho Choi
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Won-Jin Chung
- Department of Chemistry, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
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3
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Peng PK, Isho A, May JA. Regio- and enantioselective synthesis of acyclic quaternary carbons via organocatalytic addition of organoborates to (Z)-Enediketones. Nat Commun 2024; 15:504. [PMID: 38218961 PMCID: PMC10787796 DOI: 10.1038/s41467-024-44744-y] [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: 05/18/2023] [Accepted: 01/03/2024] [Indexed: 01/15/2024] Open
Abstract
The chemical synthesis of molecules with closely packed atoms having their bond coordination saturated is a challenge to synthetic chemists, especially when three-dimensional control is required. The organocatalyzed asymmetric synthesis of acyclic alkenylated, alkynylated and heteroarylated quaternary carbon stereocenters via 1,4-conjugate addition is here catalyzed by 3,3´-bisperfluorotoluyl-BINOL. The highly useful products (31 examples) are produced in up to 99% yield and 97:3 er using enediketone substrates and potassium trifluoroorganoborate nucleophiles. In addition, mechanistic experiments show that the (Z)-isomer is the reactive form, ketone rotation at the site of bond formation is needed for enantioselectivity, and quaternary carbon formation is favored over tertiary. Density functional theory-based calculations show that reactivity and selectivity depend on a key n→π* donation by the unbound ketone's oxygen lone pair to the boronate-coordinated ketone in a 5-exo-trig cyclic ouroboros transition state. Transformations of the conjugate addition products to key quaternary carbon-bearing synthetic building blocks proceed in good yield.
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Affiliation(s)
- Po-Kai Peng
- Department of Chemistry, University of Houston, 3585 Cullen Blvd., Fleming Building Rm 112, Houston, TX, 77204-5003, USA
| | - Andrew Isho
- Department of Chemistry, University of Houston, 3585 Cullen Blvd., Fleming Building Rm 112, Houston, TX, 77204-5003, USA
| | - Jeremy A May
- Department of Chemistry, University of Houston, 3585 Cullen Blvd., Fleming Building Rm 112, Houston, TX, 77204-5003, USA.
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4
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Hou YJ, Zhao L, Chai GL, Zhong K, Chang J. Highly Enantioselective Chiral Diol-Catalyzed Conjugate Addition of Boronic Acids to α,β-Unsaturated Trifluoromethyl Ketones. J Org Chem 2023. [PMID: 38006355 DOI: 10.1021/acs.joc.3c02281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
The (R)-3,3'-(3,5-(CF3)2-C6H3)2-BINOL-catalyzed enantioselective conjugate addition of organic boronic acids to α,β-unsaturated 1,1,1-trifluoromethyl ketones affords corresponding addition products bearing a stereogenic center at the β-position in moderate to high yields and excellent enantioselectivities (up to 99% ee), without any 1,2-addition product formation. Moreover, this catalytic protocol features mild reaction conditions, a broad substrate scope, suitability for alkenylboronic acids and (hetero)arylboronic acids, and easy scale-up.
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Affiliation(s)
- Ya-Jing Hou
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Lu Zhao
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guo-Li Chai
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Kangbao Zhong
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junbiao Chang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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5
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Wang X, Chai GL, Hou YJ, Zhou MQ, Chang J. Enantioselective Synthesis of Chiral Organosilicon Compounds by Organocatalytic Asymmetric Conjugate Addition of Boronic Acids to β-Silyl-α,β-Unsaturated Ketones. J Org Chem 2023. [PMID: 36812405 DOI: 10.1021/acs.joc.3c00057] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Herein, we report (R)-3,3'-(3,5-(CF3)2-C6H3)2-BINOL-catalyzed enantioselective conjugate addition of organic boronic acids to β-silyl-α,β-unsaturated ketones, furnishing moderate to excellent yields of the corresponding β-silyl carbonyl compounds with stereogenic centers in excellent enantioselectivities (up to 98% ee). Moreover, the catalytic system features mild reaction conditions, high efficiency, broad substrate scope, and easy scale-up.
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Affiliation(s)
- Xiao Wang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guo-Li Chai
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ya-Jing Hou
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ming-Qian Zhou
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junbiao Chang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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6
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Haeffner F, Pickel TC, Hou A, Walker DG, Kiesman WF, Shi X. The Chelate Effect Rationalizes Observed Rate Acceleration and Enantioselectivity in BINOL-Catalyzed Petasis Reactions. Chemistry 2023; 29:e202203331. [PMID: 36495400 DOI: 10.1002/chem.202203331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Density functional theory (DFT) calculations afforded insight into the origin of the experimentally observed reaction rate acceleration (≥500 fold) and enantioselectivity (≥99 % ee) of 1,1'-bi-2-naphthol- (BINOL-) catalyzed three-component Petasis reactions . BINOL accelerates the rate determining step by forming a BIV chelate, which involves the loss of water from the hemiaminal moiety to generate an iminium intermediate. Subsequent vinyl group transfer from BIV to the iminium carbon affords the enantiomerically enriched product and a cyclic trigonal B(III)BINOL complex, which rapidly releases the BINOL allowing it to re-enter the catalytic cycle. In the transition state of the vinyl transfer step, C-H-O hydrogen bonding between the iminium C-H and O of (R)-BINOL directs the vinyl group addition to the Re-face of the iminium carbon. This mechanism explains both the rate acceleration and high enantioselectivity of the stereo determining step.
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Affiliation(s)
- Fredrik Haeffner
- 1910 Genetics, 70 Fargo Street, Boston, Massachusetts, 02210, USA
| | - Thomas C Pickel
- Biogen, ASO Development, 900 Davis Drive, Morrisville, North Carolina, 27526, USA
| | - April Hou
- Baystate Medical Center, Department of General Surgery, 759 Chestnut St, Springfield, Massachusetts, 01199, USA
| | | | | | - Xianglin Shi
- Leal Therapeutics, 17 Briden St., Worcester, Massachusetts, 01605, USA
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7
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Cunningham L, Guiry PJ. Design and Synthesis of a Ferrocene-Based Diol Library and Application in the Hetero-Diels-Alder Reaction. Chemistry 2023; 29:e202203006. [PMID: 36322831 PMCID: PMC10108280 DOI: 10.1002/chem.202203006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Diol scaffolds have been utilized as highly effective catalysts and ligands in a wide range of catalytic asymmetric transformations. For scaffolds to be successful as broadly used motifs, they should be prepared cheaply through facile routes and be easily handled. Herein, the synthesis of a family of planar chiral diols based on a modular and robust three-step route is described, which yields catalytically active diols in >99 % de and >99 % ee, with up to seven different chiral elements. These diols have been characterized by X-ray crystallographic analysis, which provides clear evidence for the likely transition state when applied in the asymmetric hetero-Diels-Alder reaction. Without altering the stereochemistry of the catalyst backbone, it is possible to access both enantiomers of the product by varying the substitution of the catalyst at the α-position.
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Affiliation(s)
- Laura Cunningham
- Centre for Synthesis and Chemical Biology School of Chemistry, University College Dublin Belfield, Dublin 4, Ireland
| | - Patrick J Guiry
- Centre for Synthesis and Chemical Biology School of Chemistry, University College Dublin Belfield, Dublin 4, Ireland
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8
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Xu X, Wang H, Tan CH, Ye X. Applications of Vanadium, Niobium, and Tantalum Complexes in Organic and Inorganic Synthesis. ACS ORGANIC & INORGANIC AU 2022; 3:74-91. [PMID: 37035284 PMCID: PMC10080730 DOI: 10.1021/acsorginorgau.2c00056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/31/2022]
Abstract
Organometallic catalysis is a powerful strategy in chemical synthesis, especially with the cheap and low toxic metals based on green chemistry principle. Thus, the selection of the metal is particularly important to plan relevant and applicable processes. The group VB metals have been the subject of exciting and significant advances in both organic and inorganic synthesis. In this Review, we have summarized some reports from recent decades, which are about the development of group VB metals utilized in various types of reactions, such as oxidation, reduction, alkylation, dealkylation, polymerization, aromatization, protein synthesis, and practical water splitting.
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Affiliation(s)
- Xinru Xu
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, P. R. China
| | - Hong Wang
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, P. R. China
| | - Choon-Hong Tan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
| | - Xinyi Ye
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Key Laboratory of Marine Fishery Resources Exploitment & Utilization of Zhejiang Province, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, P. R. China
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9
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Gallarati S, van Gerwen P, Laplaza R, Vela S, Fabrizio A, Corminboeuf C. OSCAR: an extensive repository of chemically and functionally diverse organocatalysts. Chem Sci 2022; 13:13782-13794. [PMID: 36544722 PMCID: PMC9710326 DOI: 10.1039/d2sc04251g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/24/2022] [Indexed: 12/24/2022] Open
Abstract
The automated construction of datasets has become increasingly relevant in computational chemistry. While transition-metal catalysis has greatly benefitted from bottom-up or top-down strategies for the curation of organometallic complexes libraries, the field of organocatalysis is mostly dominated by case-by-case studies, with a lack of transferable data-driven tools that facilitate both the exploration of a wider range of catalyst space and the optimization of reaction properties. For these reasons, we introduce OSCAR, a repository of 4000 experimentally derived organocatalysts along with their corresponding building blocks and combinatorially enriched structures. We outline the fragment-based approach used for database generation and showcase the chemical diversity, in terms of functions and molecular properties, covered in OSCAR. The structures and corresponding stereoelectronic properties are publicly available (https://archive.materialscloud.org/record/2022.106) and constitute the starting point to build generative and predictive models for organocatalyst performance.
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Affiliation(s)
- Simone Gallarati
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Puck van Gerwen
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland,National Center for Competence in Research – Catalysis (NCCR-Catalysis), Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Ruben Laplaza
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland,National Center for Competence in Research – Catalysis (NCCR-Catalysis), Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Sergi Vela
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Alberto Fabrizio
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland,National Center for Computational Design and Discovery of Novel Materials (MARVEL), Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Clemence Corminboeuf
- Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland,National Center for Competence in Research – Catalysis (NCCR-Catalysis), Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland,National Center for Computational Design and Discovery of Novel Materials (MARVEL), Ecole Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
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10
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Chai GL, Zhang P, Yao EZ, Chang J. Enantioselective Conjugate Addition of Boronic Acids to α,β-Unsaturated 2-Acyl Imidazoles Catalyzed by Chiral Diols. J Org Chem 2022; 87:9197-9209. [PMID: 35749308 DOI: 10.1021/acs.joc.2c00929] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we report the enantioselective conjugate addition of organic boronic acids to α,β-unsaturated 2-acyl imidazoles using (R)-3,3'-I2-BINOL as the catalyst. The catalytic system shows high efficiency and tolerance to alkenylboronic acids and heteroarylboronic acids. The corresponding Michael addition products were obtained in moderate to excellent yields and with moderate to excellent enantioselectivities (up to 97% ee). A gram-scale reaction was also conducted, and the desired product was obtained in high yield with no erosion in enantioselectivity. Finally, the synthetic utility of the methodology was demonstrated by transforming the 2-acyl imidazole moiety to the corresponding aldehyde, carboxylic acid, ester, and amide derivatives.
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Affiliation(s)
- Guo-Li Chai
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ping Zhang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - En-Ze Yao
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junbiao Chang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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11
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Riegel GF, Takashige K, Lovstedt A, Kass SR. Charge‐Activated TADDOLs: Recyclable Organocatalysts for Asymmetric (Hetero‐)Diels–Alder Reactions. J PHYS ORG CHEM 2022. [DOI: 10.1002/poc.4355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- George F. Riegel
- Department of Chemistry University of Minnesota Minneapolis Minnesota United States
| | - Keiji Takashige
- Department of Chemistry University of Minnesota Minneapolis Minnesota United States
| | - Alex Lovstedt
- Department of Chemistry University of Minnesota Minneapolis Minnesota United States
| | - Steven R. Kass
- Department of Chemistry University of Minnesota Minneapolis Minnesota United States
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12
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Rodríguez DF, Moglie Y, Ramírez-Sarmiento CA, Singh SK, Dua K, Zacconi FC. Bio-click chemistry: a bridge between biocatalysis and click chemistry. RSC Adv 2022; 12:1932-1949. [PMID: 35425264 PMCID: PMC8979012 DOI: 10.1039/d1ra08053a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/28/2021] [Indexed: 11/21/2022] Open
Abstract
The fields of click chemistry and biocatalysis have rapidly grown over the last two decades. The development of robust and active biocatalysts and the widespread use of straightforward click reactions led to significant interactions between these two fields. Therefore the name bio-click chemistry seems to be an accurate definition of chemoenzymatic reactions cooperating with click transformations. Bio-click chemistry can be understood as the approach towards molecules of high-value using a green and sustainable approach by exploiting the potential of biocatalytic enzyme activity combined with the reliable nature of click reactions. This review summarizes the principal bio-click chemistry reactions reported over the last two decades, with a special emphasis on small molecules. Contributions to the field of bio-click chemistry are manifold, but the synthesis of chiral molecules with applications in medicinal chemistry and sustainable syntheses will be especially highlighted.
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Affiliation(s)
- Diego F Rodríguez
- Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile Chile
| | - Yanina Moglie
- Departamento de Química, INQUISUR, Universidad Nacional del Sur (UNS)-CONICET Argentina
| | - César A Ramírez-Sarmiento
- Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Católica de Chile Santiago Chile.,ANID - Millennium Science Initiative Program, Millennium Institute for Integrative Biology (iBio) Santiago Chile
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University Phagwara 144411 Punjab India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney NSW 2007 Australia.,Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney Ultimo Australia
| | - Flavia C Zacconi
- Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile Chile .,Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Católica de Chile Santiago Chile.,Centro de Investigaciones en Nanotecnología y Materiales Avanzados, CIEN-UC, Pontificia Universidad Católica de Chile Santiago Chile
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13
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Kerru N, Maddila S, Jonnalagadda SB. Organo-catalysis as emerging tools in organic synthesis: aldol and Michael reactions. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2021-0023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Organocatalysis has occupied sustainable position in organic synthesis as a powerful tool for the synthesis of enantiomeric-rich compounds with multiple stereogenic centers. Among the various organic molecules for organocatalysis, the formation of carbon–carbon is viewed as a challenging issue in organic synthesis. The asymmetric aldol and Michael addition reactions are the most significant methods for C–C bond forming reactions. These protocols deliver a valuable path to access chiral molecules, which are useful synthetic hybrids in biologically potent candidates and desirable versatile pharmaceutical intermediates. This work highlighted the impact of organocatalytic aldol and Michael addition reactions in abundant solvent media. It focused on the crucial methods to construct valuable molecules with high enantio- and diastereo-selectivity.
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Affiliation(s)
- Nagaraju Kerru
- Department of Chemistry , GITAM School of Science, GITAM University , Bengaluru , Karnataka - 561203 , India
| | - Suresh Maddila
- Department of Chemistry , GITAM Institute of Sciences, GITAM University , Visakhapatnam , Andhra Pradesh , India
- School of Chemistry & Physics, University of KwaZulu-Natal , Westville Campus , Chiltern Hills , Durban - 4000 , South Africa
| | - Sreekantha B. Jonnalagadda
- School of Chemistry & Physics, University of KwaZulu-Natal , Westville Campus , Chiltern Hills , Durban - 4000 , South Africa
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14
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Yao EZ, Chai GL, Zhang P, Zhu B, Chang J. Chiral dihydroxytetraphenylene-catalyzed enantioselective conjugate addition of boronic acids to β-enaminones. Org Chem Front 2022. [DOI: 10.1039/d1qo01845k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An efficient (S)-2,15-Cl2-DHTP-catalyzed enantioselective conjugate addition of organic boronic acids to β-enaminones has been developed.
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Affiliation(s)
- En-Ze Yao
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guo-Li Chai
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ping Zhang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bo Zhu
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junbiao Chang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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15
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Mouhtady O, Castellan T, André‐Barrès C, Gornitzka H, Fabing I, Saffon‐Merceron N, Génisson Y, Gaspard H. (
R
)‐BINOL‐6,6’‐bistriflone: Shortened Synthesis, Characterization, and Enantioselective Catalytic Applications. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101137] [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)
- Omar Mouhtady
- College of Engineering and Technology American University of the Middle East Kuwait
| | - Tessa Castellan
- Laboratoire de Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique SPCMIB UMR 5068 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
| | - Christiane André‐Barrès
- Laboratoire de Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique SPCMIB UMR 5068 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
| | - Heinz Gornitzka
- LCC-CNRS Université de Toulouse CNRS UPS Toulouse 31077 France
| | - Isabelle Fabing
- Laboratoire de Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique SPCMIB UMR 5068 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
| | - Nathalie Saffon‐Merceron
- Institut de Chimie de Toulouse ICT FR 2599 CNRS/Université Paul Sabatier - Toulouse III Toulouse 31062 Cedex 9 France
| | - Yves Génisson
- Laboratoire de Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique SPCMIB UMR 5068 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
| | - Hafida Gaspard
- Laboratoire de Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique SPCMIB UMR 5068 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
- Laboratoire Hétérochimie Fondamentale et Appliquée LHFA UMR 5069 CNRS/Université Paul Sabatier - Toulouse III 118 route de Narbonne Toulouse 31062 Cedex 9 France
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16
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Zhao L, Yao EZ, Chai GL, Ma SY, Chang J. Organocatalyzed Enantioselective Conjugate Addition of Boronic Acids to β,γ-Unsaturated α-Ketoesters. J Org Chem 2021; 86:18211-18223. [PMID: 34818889 DOI: 10.1021/acs.joc.1c02497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We report herein the (R)-3,3'-Br2-BINOL-catalyzed enantioselective conjugate addition of organic boronic acids to β,γ-unsaturated α-ketoesters to generate the corresponding Michael addition products in moderate to high yields and with moderate to excellent enantioselectivities (up to 99% ee). This catalytic system features characteristics of mild reaction conditions, high efficiency, and tolerance to alkenylboronic acids and heteroarylboronic acids.
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Affiliation(s)
- Lu Zhao
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - En-Ze Yao
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guo-Li Chai
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Shi-Yu Ma
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junbiao Chang
- NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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17
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Yubuta A, Tsurusaki A, Kamikawa K. Transformation from triple helicene to double helicene embedding adjacent stereogenic carbon atoms and axial stereogenicity. Chem Commun (Camb) 2021; 57:6600-6603. [PMID: 34132274 DOI: 10.1039/d1cc02393d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Transformation of triple helicene (TH) to double helicene (DH) with adjacent stereogenic carbon atoms and axial stereogenicity was achieved by the unexpected conjugate addition to the central aromatic ring of TH-1. We also studied the boundary at which different reactivities to addition reactions occur in some helicenes with different π-extension.
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Affiliation(s)
- Ayaka Yubuta
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Ken Kamikawa
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
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18
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Qian L, Tao LF, Wang WT, Jameel E, Luo ZH, Zhang T, Zhao Y, Liao JY. Catalytic Atroposelective Dynamic Kinetic Resolution of Biaryl Lactones with Activated Isocyanides. Org Lett 2021; 23:5086-5091. [PMID: 34110167 DOI: 10.1021/acs.orglett.1c01632] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We report herein an unprecedented atroposelective dynamic kinetic resolution of Bringmann's lactones with C-nucleophiles. By the use of activated isocyanides as the reagent, a wide range of novel axially chiral oxazole-substituted biaryl phenols were accessed in high yields with high enantioselectivities. Key to the success of this process lies in the tandem atroposelective addition of isocyanides to the lactone substrate followed by a rapid cyclization, overcoming the challenge of stereochemical leakage induced by lactol formation.
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Affiliation(s)
- Linghui Qian
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ling-Fei Tao
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Wen-Tao Wang
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ehtesham Jameel
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Zhang-Hong Luo
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China
| | - Tao Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Yu Zhao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Jia-Yu Liao
- College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou 310058, China.,Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University, Hangzhou 310018, China
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19
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Smith K, Saleh BA, Alshammari MB, El-Hiti GA, Elliott MC. Studies on a catalytic version of the Matteson asymmetric homologation reaction. Org Biomol Chem 2021; 19:4279-4284. [PMID: 33890611 DOI: 10.1039/d1ob00604e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Studies of a catalytic asymmetric version of the Matteson reaction between dichloromethylboronates and organolithium reagents have been undertaken. From several different chiral catalytic systems studied, only one based on a mannitol derivative has given substantial asymmetric induction close to that previously achieved with a bis(oxazoline) derivative and ytterbium triflate. More detailed study of the latter reaction revealed that fresh ytterbium triflate actually reduced the level of asymmetric induction, while "aged" ytterbium triflate, or a fresh sample that had been treated with water, brought about improved induction. The implications of these findings are discussed.
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Affiliation(s)
- Keith Smith
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Basil A Saleh
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK. and Department of Chemistry, College of Science, University of Basrah, Iraq
| | - Mohammed B Alshammari
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK. and Chemistry Department, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box 83, Al-Kharij 11942, Saudi Arabia
| | - Gamal A El-Hiti
- Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
| | - Mark C Elliott
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
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20
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Zhang H, Wirth T. Recent Advances in Asymmetric Functionalization of Olefins Induced by Chiral Hypervalent Iodine Reagents. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202006013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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Zhang P, Chai GL, Yao EZ, Guo LX, Liu XY, Chang J. Asymmetric double-conjugate addition of alkenylboronic acids to dienones catalyzed by chiral diols. Org Chem Front 2021. [DOI: 10.1039/d0qo01599g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An efficient asymmetric double-conjugate addition of organic boronic acids to dienones catalyzed by chiral 3,3′-disubstituted-BINOLs or hydroxytetraphenylenes has been developed.
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Affiliation(s)
- Ping Zhang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
| | - Guo-Li Chai
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
| | - En-Ze Yao
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
| | - Li-Xiao Guo
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
| | - Xue-Yu Liu
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
| | - Junbiao Chang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- School of Chemistry and Chemical Engineering
- Henan Normal University
- Henan 453007
- China
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22
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Mammadova F, Hamarat B, Ahmadli D, Şahin O, Bozkaya U, Türkmen YE. Polarization‐Enhanced Hydrogen Bonding in 1,8‐Dihydroxynaphthalene: Conformational Analysis, Binding Studies and Hydrogen Bonding Catalysis. ChemistrySelect 2020. [DOI: 10.1002/slct.202002960] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Flora Mammadova
- Department of Chemistry, Faculty of Science Bilkent University Ankara 06800 Turkey
| | - Büşra Hamarat
- Department of Chemistry Hacettepe University Ankara 06800 Turkey
| | - Dilgam Ahmadli
- Department of Chemistry, Faculty of Science Bilkent University Ankara 06800 Turkey
| | - Onur Şahin
- Scientific and Technological Research Application and Research Center Sinop University Sinop 57000 Turkey
| | - Uğur Bozkaya
- Department of Chemistry Hacettepe University Ankara 06800 Turkey
| | - Yunus E. Türkmen
- Department of Chemistry, Faculty of Science Bilkent University Ankara 06800 Turkey
- UNAM-National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology Bilkent University Ankara 06800 Turkey
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23
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Sako M, Takizawa S, Sasai H. Chiral vanadium complex-catalyzed oxidative coupling of arenols. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131645] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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24
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Marques CS, McArdle P, Erxleben A, Burke AJ. Accessing New 5‐α‐(3,3‐Disubstituted Oxindole)‐Benzylamine Derivatives from Isatin: Stereoselective Organocatalytic Three Component Petasis Reaction. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Carolina S. Marques
- LAQV‐REQUIMTE University of Évora Institute for Research and Advanced Studies Rua Romão Ramalho, 59 7000‐671 Évora Portugal
| | - Patrick McArdle
- School of Chemistry National University of Ireland Galway Ireland
| | - Andrea Erxleben
- School of Chemistry National University of Ireland Galway Ireland
| | - Anthony J. Burke
- LAQV‐REQUIMTE University of Évora Institute for Research and Advanced Studies Rua Romão Ramalho, 59 7000‐671 Évora Portugal
- Chemistry Department School of Science and Technology University of Évora Rua Romão Ramalho 59 7000‐671 Évora Portugal
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25
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Gimeno MC, Herrera RP. Hydrogen Bonding and Internal or External Lewis or Brønsted Acid Assisted (Thio)urea Catalysts. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901344] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- M. Concepción Gimeno
- Departamento de Química Inorgánica; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Raquel P. Herrera
- Departamento de Química Orgánica. Laboratorio de Organocatálisis Asimétrica; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
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26
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Contente ML, Dall’Oglio F, Annunziata F, Molinari F, Rabuffetti M, Romano D, Tamborini L, Rother D, Pinto A. Stereoselective Reduction of Prochiral Cyclic 1,3-Diketones Using Different Biocatalysts. Catal Letters 2019. [DOI: 10.1007/s10562-019-03015-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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27
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Chai GL, Sun AQ, Zhai D, Wang J, Deng WQ, Wong HNC, Chang J. Chiral Hydroxytetraphenylene-Catalyzed Asymmetric Conjugate Addition of Boronic Acids to Enones. Org Lett 2019; 21:5040-5045. [DOI: 10.1021/acs.orglett.9b01637] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Guo-Li Chai
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - A-Qiang Sun
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Dong Zhai
- Institute of Molecular Sciences and Engineering, Shandong University, Qingdao 266237, China
| | - Juan Wang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Wei-Qiao Deng
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Institute of Molecular Sciences and Engineering, Shandong University, Qingdao 266237, China
| | - Henry N. C. Wong
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Shanghai−Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Junbiao Chang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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28
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Asymmetric Organocatalytic C-C Bond Forming Reactions with Organoboron Compounds: A Mechanistic Survey. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900029] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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29
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Petronijevic E, Sibilia C. Enhanced Near-Field Chirality in Periodic Arrays of Si Nanowires for Chiral Sensing. Molecules 2019; 24:E853. [PMID: 30823382 PMCID: PMC6429513 DOI: 10.3390/molecules24050853] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/20/2019] [Accepted: 02/27/2019] [Indexed: 02/06/2023] Open
Abstract
Nanomaterials can be specially designed to enhance optical chirality and their interaction with chiral molecules can lead to enhanced enantioselectivity. Here we propose periodic arrays of Si nanowires for the generation of enhanced near-field chirality. Such structures confine the incident electromagnetic field into specific resonant modes, which leads to an increase in local optical chirality. We investigate and optimize near-field chirality with respect to the geometric parameters and excitation scheme. Specially, we propose a simple experiment for the enhanced enantioselectivity, and optimize the average chirality depending on the possible position of the chiral molecule. We believe that such a simple achiral nanowire approach can be functionalized to give enhanced chirality in the spectral range of interest and thus lead to better discrimination of enantiomers.
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Affiliation(s)
- Emilija Petronijevic
- Department S.B.A.I., Sapienza Università di Roma, Via A. Scarpa 14, 00161 Rome, Italy.
| | - Concita Sibilia
- Department S.B.A.I., Sapienza Università di Roma, Via A. Scarpa 14, 00161 Rome, Italy.
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