1
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Dai L, Zhao L, Xu D, Yang C, Zhang XK. Enhancing the Efficacy of Chiral Ligands and Catalysts: Siloxane-Substituted Oxazoline Ferrocenes as Next-Generation Candidates. Molecules 2024; 29:968. [PMID: 38474480 DOI: 10.3390/molecules29050968] [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: 01/07/2024] [Revised: 01/31/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Since the discovery of classical chiral oxazoline ferrocene ligands in 1995, they have become pivotal in transition metal-catalyzed asymmetric transformations. Over the past decade, a notable evolution has been observed with the emergence of siloxane-substituted oxazoline ferrocenes, demonstrating significant potential as chiral ligands and catalysts. These compounds have consistently delivered exceptional results in diverse and mechanistically distinct transformations, surpassing the capabilities of classical oxazoline ferrocene ligands. This review meticulously delineates the research progress on siloxane-substituted oxazoline ferrocene compounds. It encompasses the synthesis of crucial precursors and desired products, highlights their achievements in asymmetric catalysis reactions, and delves into the exploration of the derivatization of these compounds, emphasizing the introduction of ionophilic groups and their impact on the recovery of transition metal catalysts. In addition to presenting the current state of knowledge, this review propels future research directions by identifying potential topics for further investigation concerning the siloxane-tagged derivatives. These derivatives are poised to be promising candidates for the next generation of highly efficient ligands and catalysts.
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Affiliation(s)
- Li Dai
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
- Collaborative Innovation Center for Efficient Utilization of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Li Zhao
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Di Xu
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Chen Yang
- Collaborative Innovation Center for Efficient Utilization of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
| | - Xin-Kuan Zhang
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
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2
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Preparation of planar chiral oxazolinyl hydroxyl ferrocene silyl ethers and their desilylation derivatives. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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3
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Kumar SV, Guiry PJ. Zinc‐Catalyzed Enantioselective [3+2] Cycloaddition of Azomethine Ylides Using Planar Chiral [2.2]Paracyclophane‐Imidazoline N,O‐ligands. Angew Chem Int Ed Engl 2022; 61:e202205516. [PMID: 35603757 PMCID: PMC9543521 DOI: 10.1002/anie.202205516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Sundaravel Vivek Kumar
- Centre for Synthesis and Chemical Biology (CSCB) School of Chemistry University College Dublin (UCD) Belfield, Dublin 4 Ireland
| | - Patrick J. Guiry
- Centre for Synthesis and Chemical Biology (CSCB) School of Chemistry University College Dublin (UCD) Belfield, Dublin 4 Ireland
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4
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Miao R, Huang J, Xia Y, Wei Y, Luo R, Ouyang L. Selective Synthesis of Ketones and Chiral Allylic Alcohols from the Addition of Arylboronic Acids to α,β-Unsaturated Aldehydes Mediated by a Transition Metal/Monophosphorus Ligand System. J Org Chem 2022; 87:8576-8588. [PMID: 35713157 DOI: 10.1021/acs.joc.2c00703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Here, we demonstrated a transition metal-mediated/monophosphorus ligand system for the selective synthesis of ketones or chiral allylic alcohols in high yields/enantiomeric excess from the 1,2-addition of arylboronic acids to α,β-unsaturated aldehydes. Notably, isomerization of the chiral allylic alcohols to ketones was suppressed by the Ru-catalyzed/monophosphorus ligand system. The asymmetric catalytic system provides an alternative and efficient method of preparing chiral allylic alcohols.
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Affiliation(s)
- Rui Miao
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China
| | - Jinyong Huang
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China
| | - Yanping Xia
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China
| | - YiFei Wei
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China
| | - Renshi Luo
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China.,College of Chemistry and Environmental Engineering, Shaoguan University, Shaoguan 512005, Guangdong Province, P. R. China
| | - Lu Ouyang
- School of Pharmacy, Gannan Medical University, Ganzhou 341000, Jiangxi Province, P. R. China
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5
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Kumar SV, Guiry PJ. Zinc‐Catalyzed Enantioselective [3+2] Cycloaddition of Azomethine Ylides Using Planar Chiral [2.2]Paracyclophane‐Imidazoline N,O‐ligands. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205516] [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)
- Sundaravel Vivek Kumar
- Centre for Synthesis and Chemical Biology (CSCB) School of Chemistry University College Dublin (UCD) Belfield, Dublin 4 Ireland
| | - Patrick J. Guiry
- Centre for Synthesis and Chemical Biology (CSCB) School of Chemistry University College Dublin (UCD) Belfield, Dublin 4 Ireland
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6
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Dai L, Xu D, Mao Y, Zhu J, Yang M. Structures and Synthetic Strategies of Chiral Oxazolinyl Ferrocene Derivatives. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202201037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Tavares NCT, Cacho VRG, Costa DCS, Nunes SCC, Pais AACC, Murtinho D, Silva Serra ME. Deciphering the mechanism behind efficient enantioselective ethylation with thiazolidine‐based amino alcohols. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6567] [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)
| | | | - Dora C. S. Costa
- CQC and Department of Chemistry University of Coimbra Coimbra Portugal
| | | | | | - Dina Murtinho
- CQC and Department of Chemistry University of Coimbra Coimbra Portugal
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8
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Chao Z, Li N, Hong B, Ma M, Gu Z. Synthesis of Planar Chiral 2-Aryl Aroylferrocenes via Palladium-Catalyzed C-C Bond-Cleavage/Ring-Opening Reaction. Org Lett 2021; 23:7759-7764. [PMID: 34597048 DOI: 10.1021/acs.orglett.1c02775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A palladium-catalyzed ring-opening reaction of optically active ferrocenyl tertiary alcohols for the construction of planar chiral ketones is reported. The stereochemistry of the hydroxyl group in ferrocenyl alcohols markedly affects reaction: ferrocenyl alcohols with a β-hydroxyl group show better reactivity and chemoselectivity than the corresponding α-hydroxyl analogues. The treatment of α-hydroxyl substrates with trifluoroacetic acid successfully realizes the inversion of the orientation of hydroxyl group to the corresponding β-analogues.
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Affiliation(s)
- Zengyin Chao
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Na Li
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Biqiong Hong
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian 350108, P.R. China
| | - Mingming Ma
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Zhenhua Gu
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China.,College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian 350108, P.R. China
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9
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Wu D, Ma C, Pan F, Tao Y, Kong Y. Strategies to Achieve a Ferrocene-Based Polymer with Reversible Redox Activity for Chiral Electroanalysis of Nonelectroactive Amino Acids. Anal Chem 2021; 93:10160-10166. [PMID: 34255968 DOI: 10.1021/acs.analchem.1c01158] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In the past, various chiral isomers accompanied by electroactive units have been distinguished using electrochemical techniques, which can produce electrochemical signals by themselves. However, it is still difficult to use an electrochemical technique to detect nonelectroactive samples. To address this bottleneck, an electroactive chiral polymer (S,S)-p-CVB-Fc that contains one redox-active ferrocene unit was designed and synthesized in this study. The electroactive polymer can give electrochemical signals as an alternative to the tested chiral samples, regardless of whether the isomers have electroactive units. Then, it was fixed on the surface of a glassy carbon electrode as an electrochemical chiral sensor. When nonelectroactive amino acids including proline, threonine, and alanine were examined by the sensor, clear discrimination in the response of peak current could be observed toward l- and d-isomers at pH 6.5. The peak current ratios (IL/ID) for proline and alanine were 1.47 and 1.48, respectively. In contrast, for threonine, the d-isomer exhibited a higher peak current than the l -isomer with a ratio of 2.59. In summary, the results ensure that the current work can enlarge the testing scope of chiral samples in the field of chiral electroanalysis using an electroactive sensor.
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Affiliation(s)
- Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Cong Ma
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Fei Pan
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Yongxin Tao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Yong Kong
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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10
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Connon R, Roche B, Rokade BV, Guiry PJ. Further Developments and Applications of Oxazoline-Containing Ligands in Asymmetric Catalysis. Chem Rev 2021; 121:6373-6521. [PMID: 34019404 PMCID: PMC8277118 DOI: 10.1021/acs.chemrev.0c00844] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Indexed: 12/27/2022]
Abstract
The chiral oxazoline motif is present in many ligands that have been extensively applied in a series of important metal-catalyzed enantioselective reactions. This Review aims to provide a comprehensive overview of the most significant applications of oxazoline-containing ligands reported in the literature starting from 2009 until the end of 2018. The ligands are classified not by the reaction to which their metal complexes have been applied but by the nature of the denticity, chirality, and donor atoms involved. As a result, the continued development of ligand architectural design from mono(oxazolines), to bis(oxazolines), to tris(oxazolines) and tetra(oxazolines) and variations thereof can be more easily monitored by the reader. In addition, the key transition states of selected asymmetric transformations will be given to illustrate the features that give rise to high levels of asymmetric induction. As a further aid to the reader, we summarize the majority of schemes with representative examples that highlight the variation in % yields and % ees for carefully selected substrates. This Review should be of particular interest to the experts in the field but also serve as a useful starting point to new researchers in this area. It is hoped that this Review will stimulate both the development/design of new ligands and their applications in novel metal-catalyzed asymmetric transformations.
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Affiliation(s)
- Robert Connon
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Brendan Roche
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Balaji V. Rokade
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Patrick J. Guiry
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
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11
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Boston GMR, Frank I, Butenschön H. Anionic Thia‐
Fries
Rearrangement at Ferrocene: A Computational and Experimental Study. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Geanne M. R. Boston
- Institut für Organische Chemie Leibniz Universität Hannover Schneiderberg 1B D-30167 Hannover Germany
| | - Irmgard Frank
- Institut für Physikalische Chemie und Elektrochemie Leibniz Universität Hannover Callinstraße 3a D-30167 Hannover Germany
| | - Holger Butenschön
- Institut für Organische Chemie Leibniz Universität Hannover Schneiderberg 1B D-30167 Hannover Germany
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12
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Yao C, Wu P, Huang Y, Chen Y, Li L, Li YM. Binaphthyl-based chiral ligands: design, synthesis and evaluation of their performance in enantioselective addition of diethylzinc to aromatic aldehydes. Org Biomol Chem 2020; 18:9712-9725. [PMID: 33237100 DOI: 10.1039/d0ob02127j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The design strategy and the performance of binaphthyl-based chiral ligands were evaluated with computation and enantioselective addition of diethylzinc to aromatic aldehydes. Under optimized conditions, enantioselective addition of diethylzinc to aromatic aldehydes provided the desired optically active secondary alcohols in high isolated yields (up to 91%) and excellent enantiomeric excesses (up to 98% ee).
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Affiliation(s)
- Chao Yao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
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13
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Gao E, Li Q, Duan L, Li L, Li YM. Isosterically designed chiral catalysts: Rationale, optimization and their application in enantioselective nucleophilic addition to aldehydes. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131648] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Xu D, Zhang J, Dai L. Chiral Oxazolinyl Hydroxyl Ferrocene Catalysts: Synthesis and Applications in Asymmetric Reactions. ChemistrySelect 2020. [DOI: 10.1002/slct.202001874] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Di Xu
- School of Environmental and Municipal Engineering North China University of Water Resources and Electric Power 136 Jinshui East Rd. Zhengzhou Henan Province 450046 P R China
| | - Jun Zhang
- School of Environmental and Municipal Engineering North China University of Water Resources and Electric Power 136 Jinshui East Rd. Zhengzhou Henan Province 450046 P R China
| | - Li Dai
- School of Environmental and Municipal Engineering North China University of Water Resources and Electric Power 136 Jinshui East Rd. Zhengzhou Henan Province 450046 P R China
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15
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1-Ferrocenylbutane-1,3-dione as a scaffold for ferrocenyl-based ligands: Synthesis, X-ray and computational studies. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Cunningham L, Benson A, Guiry PJ. Recent developments in the synthesis and applications of chiral ferrocene ligands and organocatalysts in asymmetric catalysis. Org Biomol Chem 2020; 18:9329-9370. [DOI: 10.1039/d0ob01933j] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This review highlights recent advances in the synthesis and application of ferrocene-containing chiral ligands and organocatalysts in asymmetric catalysis.
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Affiliation(s)
- Laura Cunningham
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
| | - Annette Benson
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
- Ireland
| | - Patrick J. Guiry
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
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17
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Molga K, Dittwald P, Grzybowski BA. Computational design of syntheses leading to compound libraries or isotopically labelled targets. Chem Sci 2019; 10:9219-9232. [PMID: 32055308 PMCID: PMC6979321 DOI: 10.1039/c9sc02678a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 08/09/2019] [Indexed: 01/08/2023] Open
Abstract
Although computer programs for retrosynthetic planning have shown improved and in some cases quite satisfactory performance in designing routes leading to specific, individual targets, no algorithms capable of planning syntheses of entire target libraries - important in modern drug discovery - have yet been reported. This study describes how network-search routines underlying existing retrosynthetic programs can be adapted and extended to multi-target design operating on one common search graph, benefitting from the use of common intermediates and reducing the overall synthetic cost. Implementation in the Chematica platform illustrates the usefulness of such algorithms in the syntheses of either (i) all members of a user-defined library, or (ii) the most synthetically accessible members of this library. In the latter case, algorithms are also readily adapted to the identification of the most facile syntheses of isotopically labelled targets. These examples are industrially relevant in the context of hit-to-lead optimization and syntheses of isotopomers of various bioactive molecules.
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Affiliation(s)
- Karol Molga
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
| | - Piotr Dittwald
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
| | - Bartosz A Grzybowski
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
- IBS Center for Soft and Living Matter and Department of Chemistry , UNIST , 50, UNIST-gil, Eonyang-eup, Ulju-gun , Ulsan , 689-798 , South Korea
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18
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Wang Q, Li S, Hou C, Chu T, Hu X. Chiral P,N‐ligands for the highly enantioselective addition of diethylzinc to aromatic aldehydes. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qiang Wang
- School of Light Industry and Chemical EnginerringDalian Polytechnic University Dalian 116034 China
| | - Shuang Li
- School of Light Industry and Chemical EnginerringDalian Polytechnic University Dalian 116034 China
| | - Chuan‐Jin Hou
- School of Light Industry and Chemical EnginerringDalian Polytechnic University Dalian 116034 China
| | - Ting‐Ting Chu
- School of Light Industry and Chemical EnginerringDalian Polytechnic University Dalian 116034 China
| | - Xiang‐Ping Hu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
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19
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Zhang J, Li S, Zheng X, Li H, Jiao P. Chiral zinc amidate catalyzed additions of diethylzinc to aldehydes. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.06.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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20
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Imrich MR, Maichle-Mössmer C, Ziegler T. d
-Fructose Based Spiro-Fused PHOX Ligands: Palladium Complexes and Application in Catalysis. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900490] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Michael R. Imrich
- Institute of Organic Chemistry; University of Tübingen; Auf der Morgenstelle 18 72076 Tübingen Germany
| | | | - Thomas Ziegler
- Institute of Organic Chemistry; University of Tübingen; Auf der Morgenstelle 18 72076 Tübingen Germany
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21
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Enantioselective addition of diethylzinc to aldehydes catalyzed by 5-cis-substituted proline derivatives. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.11.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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22
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Tavares NC, Neves CT, Milne BF, Murtinho D, Pais AA, Serra MES. Chiral thiazolidines in the enantioselective ethylation of aldehydes: An experimental and computational study. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.09.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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23
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Huang H, Wang Y, Zong H, Song L. Catalytic asymmetric 1,2-Addition/Lactonization tandem reactions for the syntheses of chiral 3-Substituted phthalides using organozinc reagents. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4643] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Huayin Huang
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Yabai Wang
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Hua Zong
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Ling Song
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
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24
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Axially chiral tridentate isoquinoline derived ligands for diethylzinc addition to aldehydes. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.07.048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Holz J, Ayerbe García M, Frey W, Krupp F, Peters R. Diastereoselective synthesis, structure and reactivity studies of ferrocenyloxazoline gold(i) and gold(ii) complexes. Dalton Trans 2018; 47:3880-3905. [PMID: 29451574 DOI: 10.1039/c8dt00109j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In the last few decades, gold complexes have demonstrated huge potential for soft Lewis acid catalysis. Despite the intensive research on Au complexes and planar chiral metallacycles, enantiopure ferrocenylgold complexes have - surprisingly - not been reported until the studies presented in this article. Herein, we report the asymmetric synthesis of planar chiral ferrocenyl Au(i) complexes. These dinuclear species form helically chiral ten-membered (NCCCAu)2 rings stabilized by aurophilic interactions. In supramolecular solid state structures, linear, zigzag or helical Au(i) wires with regular AuAu separations were observed. The dissolved dinuclear entities could be oxidized by Au(i) to unique ferrocenyl Au(ii) complexes featuring short Au(ii)-Au(ii) bonds, while the ferrocene core remained intact. However, our initial studies revealed the issue of configurational lability of the ferrocenyl Au(ii) complexes in terms of the element of planar chirality in the presence of the gold source, (Me2S)AuCl. This was successfully addressed by a systematic study implementing permanent σ-donor ortho-protecting groups such as methyl and trimethylsilyl, which impede an epimerization event. Oxidation of the dinuclear Au(i) complexes was also accomplished by oxidative addition reactions with halogenated solvents, preferably CHCl3. Additional reactivity studies revealed that dinuclear Au(ii) dihalide complexes are also formed with reactive alkylhalides such as iodomethane, benzylbromide and benzyliodide. Interestingly, the whole spectral range of colors (violet, blue, green, yellow, and red) is covered by the title complexes depending on the Au oxidation state and the anionic ligands in the Au(ii) complexes. This appears to be quite unusual for ferrocenes, which typically adopt orange to red colors in a non-oxidized state.
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Affiliation(s)
- Julia Holz
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569 Stuttgart, Germany.
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26
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Ito S, Okada S, Sue R, Asami M. Synthesis of Macrocyclic Hexamine from Naphthalene-based C2-Symmetric Chiral Diamine and Dialdehyde. CHEM LETT 2018. [DOI: 10.1246/cl.171100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Suguru Ito
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Shiori Okada
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Rika Sue
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Masatoshi Asami
- Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
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27
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Desroches J, Tremblay A, Paquin JF. Racemic and enantioselective metal-catalyzed synthesis of SF 5-containing diarylmethanols. Org Biomol Chem 2018; 14:8764-8780. [PMID: 27714227 DOI: 10.1039/c6ob01663d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The racemic and enantioselective metal-catalyzed addition of arylboronic acids to 4- and 3-(pentafluorosulfur)benzaldehydes is reported. The racemic synthesis was accomplished using a Pd-based system and a wide range of arylboronic acids could be used, resulting in yields of 42 to 98% of the corresponding SF5-containing diarylmethanols. A ruthenium-based system, along with (R,R)-Me-BIPAM as the chiral ligand, was investigated and optimized for the enantioselective version. In this case, while the chiral SF5-containing diarylmethanols were generally obtained in good yields (up to 94%) and enantioselectivities (up to 98% ee), limitations were also observed. For instance, 4-(pentafluorosulfur)benzaldehyde generally provided slightly better yields than 3-(pentafluorosulfur)benzaldehyde. In addition, lower yields and enantioselectivities were observed when using either 4- and 3-substituted arylboronic acids bearing electron-withdrawing (e.g., CO2Et, NO2, CF3) or 2-substituted arylboronic acids (regardless of the nature of the substituent). Overall, the SF5-containing diarylmethanols described herein represent novel and potentially useful fluorinated building blocks for the synthesis of biologically active compounds.
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Affiliation(s)
- Justine Desroches
- CCVC, PROTEO, Département de chimie, 1045 avenue de la Médecine, Université Laval, Québec, Québec, CanadaG1V 0A6.
| | - Ariane Tremblay
- CCVC, PROTEO, Département de chimie, 1045 avenue de la Médecine, Université Laval, Québec, Québec, CanadaG1V 0A6.
| | - Jean-François Paquin
- CCVC, PROTEO, Département de chimie, 1045 avenue de la Médecine, Université Laval, Québec, Québec, CanadaG1V 0A6.
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28
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Arnott GE. Inherently Chiral Calixarenes: Synthesis and Applications. Chemistry 2017; 24:1744-1754. [DOI: 10.1002/chem.201703367] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Gareth E. Arnott
- Department of Chemistry and Polymer Science; Stellenbosch University; Private Bag X1 Matieland South Africa
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29
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Mato M, Pérez-Caaveiro C, Sarandeses LA, Pérez Sestelo J. Ferrocenylindium Reagents in Palladium-Catalyzed Cross-Coupling Reactions: Asymmetric Synthesis of Planar Chiral 2-Aryl Oxazolyl and Sulfinyl Ferrocenes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601397] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mauro Mato
- Centro de Investigaciones Científicas Avanzadas (CICA); Departamento de Química Fundamental; Universidade da Coruña; Spain
| | - Cristina Pérez-Caaveiro
- Centro de Investigaciones Científicas Avanzadas (CICA); Departamento de Química Fundamental; Universidade da Coruña; Spain
| | - Luis A. Sarandeses
- Centro de Investigaciones Científicas Avanzadas (CICA); Departamento de Química Fundamental; Universidade da Coruña; Spain
| | - José Pérez Sestelo
- Centro de Investigaciones Científicas Avanzadas (CICA); Departamento de Química Fundamental; Universidade da Coruña; Spain
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30
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31
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Ito S, Ikeda K, Asami M. Dibenzofuran-based C2-Symmetric Chiral Diamines: Their Synthesis and Chiral Recognition Properties. CHEM LETT 2016. [DOI: 10.1246/cl.160783] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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32
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Serra MES, Costa D, Murtinho D, Tavares NC, Pinho e Melo TM. d-Penicillamine and l-cysteine derived thiazolidine catalysts: an efficient approach to both enantiomers of secondary alcohols. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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33
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Nottingham C, Müller-Bunz H, Guiry PJ. A Family of Chiral Ferrocenyl Diols: Modular Synthesis, Solid-State Characterization, and Application in Asymmetric Organocatalysis. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604840] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chris Nottingham
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin, Belfield; Dublin 4 Ireland
| | - Helge Müller-Bunz
- 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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34
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Nottingham C, Müller-Bunz H, Guiry PJ. A Family of Chiral Ferrocenyl Diols: Modular Synthesis, Solid-State Characterization, and Application in Asymmetric Organocatalysis. Angew Chem Int Ed Engl 2016; 55:11115-9. [DOI: 10.1002/anie.201604840] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Chris Nottingham
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin, Belfield; Dublin 4 Ireland
| | - Helge Müller-Bunz
- 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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35
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Qiao H, Sun S, Yang F, Zhu Y, Zhu W, Wu Y, Wu Y. Palladium-catalyzed direct C–H arylation of ferrocenecarboxamides with aryl halides. RSC Adv 2016. [DOI: 10.1039/c6ra11972g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
A simple and facile protocol for palladium-catalyzed ortho-arylation of ferrocenecarboxamides with aryl halides was developed with the assistance of the bidentate directing group.
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Affiliation(s)
- Huijie Qiao
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
| | - Suyan Sun
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
| | - Fan Yang
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
| | - Yu Zhu
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
| | - Weiguo Zhu
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
| | - Yusheng Wu
- Tetranov Biopharm, LLC
- Zhengzhou
- People's Republic of China
- Collaborative Innovation Center of New Drug Research and Safety Evaluation
- PR China
| | - Yangjie Wu
- The College of Chemistry and Molecular Engineering
- Henan Key Laboratory of Chemical Biology and Organic Chemistry
- Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou 450052
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36
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Escorihuela J, Burguete MI, Ujaque G, Lledós A, Luis SV. Mechanistic implications of the enantioselective addition of alkylzinc reagents to aldehydes catalyzed by nickel complexes with α-amino amide ligands. Org Biomol Chem 2016; 14:11125-11136. [DOI: 10.1039/c6ob01878e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The enantioselective alkylation of aldehydes catalysed by nickel(ii)-complexes derived from α-amino amides was studied by means of density functional theory (DFT) and ONIOM (B3LYP:UFF) calculations.
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Affiliation(s)
- Jorge Escorihuela
- Departamento de Química Inorgánica y Orgánica
- Universitat Jaume I
- 12071 Castellón de la Plana
- Spain
| | - M. Isabel Burguete
- Departamento de Química Inorgánica y Orgánica
- Universitat Jaume I
- 12071 Castellón de la Plana
- Spain
| | - Gregori Ujaque
- Unitat de Química Física
- Departament de Química
- Edifici Cn. Universitat Autònoma de Barcelona
- Barcelona
- Spain
| | - Agustí Lledós
- Unitat de Química Física
- Departament de Química
- Edifici Cn. Universitat Autònoma de Barcelona
- Barcelona
- Spain
| | - Santiago V. Luis
- Departamento de Química Inorgánica y Orgánica
- Universitat Jaume I
- 12071 Castellón de la Plana
- Spain
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37
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O’Reilly S, Aylward M, Keogh-Hansen C, Fitzpatrick B, McManus HA, Müller-Bunz H, Guiry PJ. Synthesis of Bis(oxazoline) Ligands Possessing C-5 gem-Disubstitution and Their Application in Asymmetric Friedel–Crafts Alkylations. J Org Chem 2015; 80:10177-86. [DOI: 10.1021/acs.joc.5b01767] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Steven O’Reilly
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Miriam Aylward
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Caoimhe Keogh-Hansen
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Brian Fitzpatrick
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Helen A. McManus
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Helge Müller-Bunz
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Patrick J. Guiry
- Centre
for Synthesis and
Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
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