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Gaucherand A, Yen-Pon E, Domain A, Bourhis A, Rodriguez J, Bonne D. Enantioselective synthesis of molecules with multiple stereogenic elements. Chem Soc Rev 2024. [PMID: 39344998 DOI: 10.1039/d3cs00238a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
This review explores the fascinating world of molecules featuring multiple stereogenic elements, unraveling the different strategies designed over the years for their enantioselective synthesis. Specifically, (dynamic) kinetic resolutions, desymmetrisations and simultaneous installation of stereogenic elements exploiting either metal- or organo-catalysis are the principal approaches to efficiently create and control the three-dimensional shapes of these attractive molecules. Although most molecules presented in this review possess a stereogenic carbon atom in combination with a stereogenic axis, other combinations with helices or planes of chirality have started to emerge, as well as molecules displaying more than two different stereogenic elements.
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Affiliation(s)
| | | | - Antoine Domain
- Aix Marseille Univ, CNRS, Centrale Med, Marseille, ISM2, France
| | - Alix Bourhis
- Aix Marseille Univ, CNRS, Centrale Med, Marseille, ISM2, France
| | - Jean Rodriguez
- Aix Marseille Univ, CNRS, Centrale Med, Marseille, ISM2, France
| | - Damien Bonne
- Aix Marseille Univ, CNRS, Centrale Med, Marseille, ISM2, France
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2
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Tan F, Wang W, Huang X, Zhong Y, Song T, Wang J, Mei L. O-H Insertion of Hydrogenphosphate Derivatives and α-Diazo Compounds. J Org Chem 2024; 89:2588-2598. [PMID: 38270667 DOI: 10.1021/acs.joc.3c02605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
An efficient O-H insertion of hydrogenphosphate derivatives and α-diazo compounds has been developed to construct α-phosphoryloxy scaffolds. Diverse α-phosphoryloxy skeletons could be obtained under mild and catalyst-free conditions in good yields. The control experiments suggest a protonation and nucleophilic addition process of α-diazo compounds via a diazonium ion pair for this transformation.
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Affiliation(s)
- Fei Tan
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Wei Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Xiao Huang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Yi Zhong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Tao Song
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Jian Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Ling Mei
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
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3
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Tewari S, Mungalpara MN, Patel S, Rowlands GJ. The concise synthesis and resolution of planar chiral [2.2]paracyclophane oxazolines by C-H activation. RSC Adv 2022; 12:8588-8591. [PMID: 35424822 PMCID: PMC8984818 DOI: 10.1039/d2ra01075e] [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: 02/18/2022] [Accepted: 03/03/2022] [Indexed: 11/29/2022] Open
Abstract
Planar chiral [2.2]paracyclophanes are resolved through the direct C–H arylation of enantiopure oxazolines, providing a convenient route to ligands and chiral materials. Preliminary results show that hydrolysis followed by decarboxylative phosphorylation leads to enantiopure [2.2]paracyclophane derivatives that are otherwise challenging to prepare. Racemic bromo[2.2]paracyclophanes are directly transformed into enantiomerically pure planar chiral oxazolines in one step with simultaneous resolution of planar chirality.![]()
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Affiliation(s)
- Shashank Tewari
- School of Natural Sciences, Massey University Private Bag 11 222 Palmerston North 4442 New Zealand
| | - Maulik N Mungalpara
- School of Natural Sciences, Massey University Private Bag 11 222 Palmerston North 4442 New Zealand
| | - Suraj Patel
- School of Natural Sciences, Massey University Private Bag 11 222 Palmerston North 4442 New Zealand
| | - Gareth J Rowlands
- School of Natural Sciences, Massey University Private Bag 11 222 Palmerston North 4442 New Zealand
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4
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Hong K, Dong S, Xu X, Zhang Z, Shi T, Yuan H, Xu X, Hu W. Enantioselective Intermolecular Mannich-Type Interception of Phenolic Oxonium Ylide for the Direct Assembly of Chiral 2,2-Disubstituted Dihydrobenzofurans. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01321] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kemiao Hong
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shanliang Dong
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xinxin Xu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhijing Zhang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Taoda Shi
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Haoxuan Yuan
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xinfang Xu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Wenhao Hu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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5
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Cao J, Zhu SF. Catalytic Enantioselective Proton Transfer Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200350] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jin Cao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Shou-Fei Zhu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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6
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Kitagaki S, Shimo E, Takeda S, Fukai R, Kojima N, Yoshioka S, Takenaga N, Yoshida K. Planar Chiral [2.2]Paracyclophane-Based Bis(thiourea)-Catalyzed Highly Diastereo- and Enantioselective Michael Addition Reaction of Nitroethane to Nitrostyrenes. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)58] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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7
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Li Y, Zhao YT, Zhou T, Chen MQ, Li YP, Huang MY, Xu ZC, Zhu SF, Zhou QL. Highly Enantioselective O-H Bond Insertion Reaction of α-Alkyl- and α-Alkenyl-α-diazoacetates with Water. J Am Chem Soc 2020; 142:10557-10566. [PMID: 32406233 DOI: 10.1021/jacs.0c04532] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Catalytic asymmetric reactions in which water is a substrate are rare. Enantioselective transition-metal-catalyzed insertion of carbenes into the O-H bond of water can be used to incorporate water into the stereogenic center, but the reported chiral catalysts give good results only when α-aryl-α-diazoesters are used as the carbene precursors. Herein we report the first highly enantioselective O-H bond insertion reactions between water and α-alkyl- and α-alkenyl-α-diazoesters as carbene precursors, with catalysis by a combination of achiral dirhodium complexes and chiral phosphoric acids or chiral phosphoramides. Participation of the phosphoric acids or phosphoramides in the carbene transfer reaction markedly suppressed competing side reactions, such as β-H migration, carbene dimerization, and olefin isomerization, and thus ensured good yields of the desired products. Fine-tuning of the ester moiety facilitated enantiocontrol of the proton transfer reactions of the enol intermediates and resulted in excellent enantioselectivity. This protocol represents an efficient new method for preparation of multifunctionalized chiral α-alkyl and α-alkenyl hydroxyl esters, which readily undergo various transformations and can thus be used for the synthesis of bioactive compounds. Mechanistic studies revealed that the phosphoric acids and phosphoramides promoted highly enantioselective [1,2]- and [1,3]-proton transfer reactions of the enol intermediates. Maximization of molecular orbital overlap in the transition states of the proton transfer reactions was the original driving force to involve the proton shuttle catalysts in this process.
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Affiliation(s)
- You Li
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yu-Tao Zhao
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ting Zhou
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Meng-Qing Chen
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yi-Pan Li
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Ming-Yao Huang
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhen-Chuang Xu
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shou-Fei Zhu
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Qi-Lin Zhou
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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Kitagaki S, Tsuji M, Teramoto H, Takenaga N, Yoshida K. Planar Chiral Phosphino[2.2]paracyclophanol-Catalyzed Highly Regio- and Stereoselective [3+2] Annulation Reaction of Morita–Baylis–Hillman Carbonates with Dicyanomethylideneoxindoles. HETEROCYCLES 2020. [DOI: 10.3987/com-19-s(f)3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Planar Chiral [2.2]Paracyclophane-Based Bisoxazoline Ligands and Their Applications in Cu-Mediated N-H Insertion Reaction. MOLECULES (BASEL, SWITZERLAND) 2019; 24:molecules24224122. [PMID: 31739572 PMCID: PMC6891757 DOI: 10.3390/molecules24224122] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/06/2019] [Accepted: 11/07/2019] [Indexed: 02/04/2023]
Abstract
New catalysts for important C–N bond formation are highly sought after. In this work, we demonstrate the synthesis and viability of a new class of planar chiral [2.2]paracyclophane-based bisoxazoline (BOX) ligands for the copper-catalyzed N–H insertion of α-diazocarbonyls into anilines. The reaction features a wide substrate scope and moderate to excellent yields, and delivers the valuable products at ambient conditions.
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Vakarov SA, Gruzdev DA, Levit GL, Krasnov VP, Charushin VN, Chupakhin ON. Synthesis of enantiomerically pure 2-aryloxy carboxylic acids and their derivatives. RUSSIAN CHEMICAL REVIEWS 2019. [DOI: 10.1070/rcr4893] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Recent publications on the key preparation methods of the enantiomers of 2-aryloxy carboxylic acids are summarized and comparative analysis of the methods is given. The information is arranged according to the type of the starting compound, being classified into syntheses from enantiomerically pure chiral precursors and syntheses from prochiral precursors, which imply generation of an asymmetric centre in the substrate molecule. Data on the chemical resolution of racemic mixtures of the title compounds are addressed in a separate Section. Attention is focused on the preparation of practically valuable 2-aryloxy acids. Examples of biologically active derivatives of 2-aryloxy carboxylic acids are given.
The bibliography includes 121 references.
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11
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Shen HQ, Xie HP, Sun L, Zhou YG. Enantioselective Carbene Insertion into O–H of Phenols with Chiral Palladium/2,2′-Biimidazole Complexes. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00219] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hong-Qiang Shen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Huan-Ping Xie
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Lei Sun
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
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12
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Park W, Kim Y, Park YS. Neutral Alcohol Nucleophiles for the Substitution of α-Bromo Aryl Acetates and Applications to Asymmetric Synthesis of Morpholine Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900207] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wongi Park
- Department of Chemistry; Konkuk University; 120 Neungdong-ro, Gwangjin-gu 05029 Seoul Korea
| | - Yongtae Kim
- Department of Chemistry; Konkuk University; 120 Neungdong-ro, Gwangjin-gu 05029 Seoul Korea
| | - Yong Sun Park
- Department of Chemistry; Konkuk University; 120 Neungdong-ro, Gwangjin-gu 05029 Seoul Korea
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13
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Fujita S. Global/Local Chirality and Global/Local RS-Stereogenicity for Characterizing [2.2]Paracyclophane Derivatives as Stereogenic Planes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shinsaku Fujita
- Shonan Institute of Chemoinformatics and Mathematical Chemistry, Kaneko 479-7 Ooimachi, Ashigara-Kami-Gun, Kanagawa 258-0019, Japan
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14
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Kitagaki S, Murata S, Asaoka K, Sugisaka K, Mukai C, Takenaga N, Yoshida K. Planar Chiral [2.2]Paracyclophane-Based Bisoxazoline Ligands: Design, Synthesis, and Use in Cu-Catalyzed Inter- and Intramolecular Asymmetric O–H Insertion Reactions. Chem Pharm Bull (Tokyo) 2018; 66:1006-1014. [PMID: 30270235 DOI: 10.1248/cpb.c18-00519] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | | | | | - Kenta Sugisaka
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University
| | - Chisato Mukai
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University
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15
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Hassan Z, Spuling E, Knoll DM, Lahann J, Bräse S. Planar chiral [2.2]paracyclophanes: from synthetic curiosity to applications in asymmetric synthesis and materials. Chem Soc Rev 2018; 47:6947-6963. [PMID: 30065985 DOI: 10.1039/c7cs00803a] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Planar chiral [2.2]paracyclophane-based ligands and employment of such enantiopure representative ligands to facilitate selective transformation of prochiral or racemic substances into enantiopure products are rarely explored compared to the complex chiral scaffolds such as ferrocenes. This tutorial discusses recent findings and inspiring progress in design, synthetic tunability and applications of planar chiral [2.2]paracyclophane systems as a practical class of catalysts for asymmetric synthesis. Here, we summarize a series of planar chiral [2.2]paracyclophanes that are becoming an important new tool-box in asymmetric synthesis, employed in a variety of synthetic venues such as new chiral ligands and catalysts for stereo-controlled and enantioselective addition of alkyl, alkenyl, alkynyl and aryl zinc reagents to aliphatic and aromatic aldehydes, ketones, imines and many more. Besides, planar chiral [2.2]paracyclophanes are useful synthons, from a material perspective, can be incorporated into conjugated polymeric systems for chiroptical and optoelectronic properties, find broad applications in bio- and materials science, for instance, gold-based cytostatics, surface-mounted chiral MOF thin films for selective adsorption or in functionalized parylene polymer coatings, to name a few. This is an up-to-date tutorial review, written exclusively on planar chiral [2.2]paracyclophane chemistry, covering key aspects of synthesis, structures, properties, applications and future directions of chiral polymeric assemblies and novel biomaterials built with [2.2]paracyclophanes.
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Affiliation(s)
- Zahid Hassan
- Institute for Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany.
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16
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Ren YY, Zhu SF, Zhou QL. Chiral proton-transfer shuttle catalysts for carbene insertion reactions. Org Biomol Chem 2018; 16:3087-3094. [DOI: 10.1039/c8ob00473k] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The development of chiral proton-transfer shuttles provides a totally new enantiocontrol strategy for transition metal-catalyzed asymmetric carbene insertion reactions.
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Affiliation(s)
- Yuan-Yuan Ren
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Shou-Fei Zhu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
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17
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Kitagaki S, Nakamura K, Kawabata C, Ishikawa A, Takenaga N, Yoshida K. Planar chiral [2.2]paracyclophane-based phosphine–phenols: use in enantioselective [3 + 2] annulations of allenoates and N-tosylimines. Org Biomol Chem 2018; 16:1770-1778. [DOI: 10.1039/c8ob00248g] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Planar chiral [2.2]paracyclophane-based phosphine–phenols efficiently catalyze the [3 + 2] annulation of N-tosylimines and allenoate.
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18
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Hossam M, Lasheen DS, Ismail NSM, Esmat A, Mansour AM, Singab ANB, Abouzid KAM. Discovery of anilino-furo[2,3-d]pyrimidine derivatives as dual inhibitors of EGFR/HER2 tyrosine kinase and their anticancer activity. Eur J Med Chem 2017; 144:330-348. [PMID: 29275232 DOI: 10.1016/j.ejmech.2017.12.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 12/05/2017] [Accepted: 12/06/2017] [Indexed: 12/13/2022]
Abstract
Being responsible for the development of many cancer types, EGFR (Epidermal Growth Factor Receptor) and HER2 (Human Epidermal growth factor Receptor 2) were the focus of this study where a series of novel 4-anilino-furo[2,3-d]pyrimidine derivatives was designed, synthesized and biologically evaluated. Modification of the solvent accessible 5-position side chain greatly affected the in-vitro EGFR/HER2 inhibitory activity. Three derivatives bearing 5-carboxylic acid side chain, namely the 3-chloroanilino derivative (8c), the 3-bromoaniline (8d) and the lapatinib analogue (10) demonstrated the most significant submicromolar EGFR inhibition. Surprisingly, the in-vitro assay of the ester 7h and its acid analogue 10 showed a significant variation of results between the antiproliferative activity against A549 cell line (IC50 0.5 and 21.4 μM) respectively and EGFR inhibitory activity (18% and 100%) respectively, suggesting that 7h might be a prodrug for 10. This assumption was also affirmed by the in-vivo results, where the in-vivo antitumor assessment against EAC (Ehrlich Ascites Carcinoma) solid tumor model revealed that 7h and 8d (10 mg/kg dose) exhibited antitumor activity comparable to that of gefitinib at the same dose, exhibiting TGI% of 67%, 71% and 70%, respectively. This effect could be explained, at least partly, via activation of apoptosis, where 7h and 8d caused more than 2-fold increase of caspase 3 and cytochrome c expression than the control group which is comparable to that of gefitinib-treated group. Finally, 7h was the most effective apoptotic inducer, resulting in a significant elevation in annexin V-FITC-positive apoptotic cells (both early and late apoptosis) by 25 and 79-folds, respectively, compared to control, which is higher than that of gefitinib (22 and 61-folds, respectively).
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Affiliation(s)
- Monia Hossam
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt; Center for Drug Discovery and Development Research, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt.
| | - Deena S Lasheen
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt; Center for Drug Discovery and Development Research, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
| | - Nasser S M Ismail
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
| | - Ahmed Esmat
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt; Center for Drug Discovery and Development Research, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
| | - Ahmed M Mansour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Abdel Nasser B Singab
- Pharmacognosy Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt; Center for Drug Discovery and Development Research, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
| | - Khaled A M Abouzid
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt; Center for Drug Discovery and Development Research, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt.
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19
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Braun C, Nieger M, Bräse S. Unprecedented One-Pot Reaction towards Chiral, Non-Racemic Copper(I) Complexes of [2.2]Paracyclophane-Based P,N
-Ligands. Chemistry 2017; 23:16452-16455. [DOI: 10.1002/chem.201704115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Indexed: 01/20/2023]
Affiliation(s)
- Carolin Braun
- Institute of Organic Chemistry; Karlsruhe Institute of Technology (KIT); Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Martin Nieger
- Department of Chemistry; University of Helsinki, P.O. Box 55; 00014 University of Helsinki Finland
| | - Stefan Bräse
- Institute of Organic Chemistry; Karlsruhe Institute of Technology (KIT); Fritz-Haber-Weg 6 76131 Karlsruhe Germany
- Institute of Toxicology and Genetics; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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20
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Huang D, Xu G, Peng S, Sun J. Gold-catalyzed highly regio- and enantioselective vinylcarbene insertion into O–H bonds of 2-pyridones. Chem Commun (Camb) 2017; 53:3197-3200. [DOI: 10.1039/c6cc10246h] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first gold-catalyzed enantioselective carbene insertion into O–H bonds has been achieved.
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Affiliation(s)
- Daorui Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Guangyang Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Shiyong Peng
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2015. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Takenaga N, Adachi S, Furusawa A, Nakamura K, Suzuki N, Ohta Y, Komizu M, Mukai C, Kitagaki S. Planar chiral [2.2]paracyclophane-based phosphine-phenol catalysts: application to the aza-Morita-Baylis-Hillman reaction of N-sulfonated imines with various vinyl ketones. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.09.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Vincent A, Deschamps D, Martzel T, Lohier JF, Richards CJ, Gaumont AC, Perrio S. Enantiomerically Pure [2.2]Paracyclophane-4-thiol: A Planar Chiral Sulfur-Based Building Block Readily Available by Resolution with an Amino Acid Chiral Auxiliary. J Org Chem 2016; 81:3961-6. [DOI: 10.1021/acs.joc.6b00560] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Adrien Vincent
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
| | - Damien Deschamps
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
| | - Thomas Martzel
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
| | - Jean-François Lohier
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
| | - Christopher J. Richards
- School
of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, U.K
| | - Annie-Claude Gaumont
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
| | - Stéphane Perrio
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France. Full address: Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen-Normandie, 14050 Caen, France
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