1
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Shimose A, Ishigaki S, Sato Y, Nogami J, Toriumi N, Uchiyama M, Tanaka K, Nagashima Y. Dearomative Construction of 2D/3D Frameworks from Quinolines via Nucleophilic Addition/Borate-Mediated Photocycloaddition. Angew Chem Int Ed Engl 2024:e202403461. [PMID: 38803130 DOI: 10.1002/anie.202403461] [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: 02/19/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 05/29/2024]
Abstract
Dearomative construction of multiply-fused 2D/3D frameworks, composed of aromatic two-dimensional (2D) rings and saturated three-dimensional (3D) rings, from readily available quinolines has greatly contributed to drug discovery. However, dearomative cycloadditions of quinolines in the presence of photocatalysts usually afford 5,6,7,8-tetrahydroquinoline (THQ)-based polycycles, and dearomative access to 1,2,3,4-THQ-based structures remains limited. Herein, we present a chemo-, regio-, diastereo-, and enantioselective dearomative transformation of quinolines into 1,2,3,4-THQ-based 6-6-4-membered rings without any catalyst, through a combination of nucleophilic addition and borate-mediated [2+2] photocycloaddition. Detailed mechanistic studies revealed that the photoexcited borate complex, generated from quinoline, organolithium, and HB(pin), accelerates the cycloaddition and suppresses the rearomatization that usually occurs in conventional photocycloaddition. Based on our mechanistic analysis, we also developed further photoinduced cycloadditions affording other types of 2D/3D frameworks from isoquinoline and phenanthrene.
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Affiliation(s)
- Asuha Shimose
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Shiho Ishigaki
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Yu Sato
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Juntaro Nogami
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Naoyuki Toriumi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Yuki Nagashima
- Department of Chemical Science and Engineering, Tokyo Institute of Technology O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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2
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Long A, Oswood CJ, Kelly CB, Bryan MC, MacMillan DWC. Couple-close construction of polycyclic rings from diradicals. Nature 2024; 628:326-332. [PMID: 38480891 DOI: 10.1038/s41586-024-07181-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/08/2024] [Indexed: 04/06/2024]
Abstract
Heteroarenes are ubiquitous motifs in bioactive molecules, conferring favourable physical properties when compared to their arene counterparts1-3. In particular, semisaturated heteroarenes possess attractive solubility properties and a higher fraction of sp3 carbons, which can improve binding affinity and specificity. However, these desirable structures remain rare owing to limitations in current synthetic methods4-6. Indeed, semisaturated heterocycles are laboriously prepared by means of non-modular fit-for-purpose syntheses, which decrease throughput, limit chemical diversity and preclude their inclusion in many hit-to-lead campaigns7-10. Herein, we describe a more intuitive and modular couple-close approach to build semisaturated ring systems from dual radical precursors. This platform merges metallaphotoredox C(sp2)-C(sp3) cross-coupling with intramolecular Minisci-type radical cyclization to fuse abundant heteroaryl halides with simple bifunctional feedstocks, which serve as the diradical synthons, to rapidly assemble a variety of spirocyclic, bridged and substituted saturated ring types that would be extremely difficult to make by conventional methods. The broad availability of the requisite feedstock materials allows sampling of regions of underexplored chemical space. Reagent-controlled radical generation leads to a highly regioselective and stereospecific annulation that can be used for the late-stage functionalization of pharmaceutical scaffolds, replacing lengthy de novo syntheses.
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Affiliation(s)
- Alice Long
- Merck Center for Catalysis at Princeton University, Princeton, NJ, USA
| | | | - Christopher B Kelly
- Discovery Process Research, Janssen Research and Development LLC, Spring House, PA, USA
| | - Marian C Bryan
- Therapeutics Discovery, Janssen Research and Development LLC, Spring House, PA, USA
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3
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Huang J, Zhou TP, Sun N, Yu H, Yu X, Liao RZ, Yao W, Dai Z, Wu G, Zhong F. Accessing ladder-shape azetidine-fused indoline pentacycles through intermolecular regiodivergent aza-Paternò-Büchi reactions. Nat Commun 2024; 15:1431. [PMID: 38365864 PMCID: PMC10873392 DOI: 10.1038/s41467-024-45687-0] [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: 09/05/2023] [Accepted: 01/31/2024] [Indexed: 02/18/2024] Open
Abstract
Small molecules with conformationally rigid, three-dimensional geometry are highly desirable in drug development, toward which a direct, simple-to-complexity synthetic logic is still of considerable challenges. Here, we report intermolecular aza-[2 + 2] photocycloaddition (the aza-Paternò-Büchi reaction) of indole that facilely assembles planar building blocks into ladder-shape azetidine-fused indoline pentacycles with contiguous quaternary carbons, divergent head-to-head/head-to-tail regioselectivity, and absolute exo stereoselectivity. These products exhibit marked three-dimensionality, many of which possess 3D score values distributed in the highest 0.5% region with reference to structures from DrugBank database. Mechanistic studies elucidated the origin of the observed regio- and stereoselectivities, which arise from distortion-controlled C-N coupling scenarios. This study expands the synthetic repertoire of energy transfer catalysis for accessing structurally intriguing architectures with high molecular complexity and underexplored topological chemical space.
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Affiliation(s)
- Jianjian Huang
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
| | - Tai-Ping Zhou
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
| | - Ningning Sun
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
| | - Huaibin Yu
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450000, China
| | - Xixiang Yu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
| | - Rong-Zhen Liao
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China.
| | - Weijun Yao
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Zhifeng Dai
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
- Longgang Institute of Zhejiang Sci-Tech University, Wenzhou, 325802, China
| | - Guojiao Wu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China
| | - Fangrui Zhong
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, China.
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4
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Emadi R, Bahrami Nekoo A, Molaverdi F, Khorsandi Z, Sheibani R, Sadeghi-Aliabadi H. Applications of palladium-catalyzed C-N cross-coupling reactions in pharmaceutical compounds. RSC Adv 2023; 13:18715-18733. [PMID: 37346956 PMCID: PMC10280806 DOI: 10.1039/d2ra07412e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 05/17/2023] [Indexed: 06/23/2023] Open
Abstract
C-N cross-coupling bond formation reactions have become valuable approaches to synthesizing anilines and their derivatives, known as important chemical compounds. Recent developments in this field have focused on versatile catalysts, simple operation methods, and green reaction conditions. This review article presents an overview of C-N cross-coupling reactions in pharmaceutical compound synthesis reports. Selected examples of N-arylation reactions of various nitrogen-based compounds and aryl halides are defined for preparing pharmaceutical molecules.
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Affiliation(s)
- Reza Emadi
- Department of Biochemistry, Institute of Biochemistry & Biophysics (IBB), University of Tehran Tehran Iran
| | - Abbas Bahrami Nekoo
- Nanoalvand Pharmaceutical Company, Department of Quality Control, Unit of Raw Materials Simindasht Alborz Iran
| | - Fatemeh Molaverdi
- Department of Organic Chemistry, School of Chemistry, College of Science, Tehran University Tehran Islamic Republic of Iran
| | - Zahra Khorsandi
- Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences Isfahan 81746-73461 Iran
| | - Reza Sheibani
- Amirkabir University of Technology-Mahshahr Campus University St., Nahiyeh san'ati Mahshahr Khouzestan Iran
| | - Hojjat Sadeghi-Aliabadi
- Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences Isfahan 81746-73461 Iran
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5
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Greßies S, Süße L, Casselman T, Stoltz BM. Tandem Dearomatization/Enantioselective Allylic Alkylation of Pyridines. J Am Chem Soc 2023; 145:11907-11913. [PMID: 37212659 PMCID: PMC10251512 DOI: 10.1021/jacs.3c02470] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Indexed: 05/23/2023]
Abstract
Herein, we report a multistep one-pot reaction of substituted pyridines leading to N-protected tetrahydropyridines with outstanding enantioselectivity (up to 97% ee). An iridium(I)-catalyzed dearomative 1,2-hydrosilylation of pyridines enables the use of N-silyl enamines as a new type of nucleophile in a subsequent palladium-catalyzed asymmetric allylic alkylation. This telescoped process overcomes the intrinsic nucleophilic selectivity of pyridines to synthesize enantioenriched, C-3-substituted tetrahydropyridine products that have been otherwise challenging to access.
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Affiliation(s)
- Steffen Greßies
- Warren and Katharine Schlinger
Laboratory for Chemistry and Chemical Engineering, Division of Chemistry
and Chemical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
| | - Lars Süße
- Warren and Katharine Schlinger
Laboratory for Chemistry and Chemical Engineering, Division of Chemistry
and Chemical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
| | - Tyler Casselman
- Warren and Katharine Schlinger
Laboratory for Chemistry and Chemical Engineering, Division of Chemistry
and Chemical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
| | - Brian M. Stoltz
- Warren and Katharine Schlinger
Laboratory for Chemistry and Chemical Engineering, Division of Chemistry
and Chemical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
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6
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Jiang X, Huang B, Rumrill S, Pople D, Zalloum WA, Kang D, Zhao F, Ji X, Gao Z, Hu L, Wang Z, Xie M, De Clercq E, Ruiz FX, Arnold E, Pannecouque C, Liu X, Zhan P. Discovery of diarylpyrimidine derivatives bearing piperazine sulfonyl as potent HIV-1 nonnucleoside reverse transcriptase inhibitors. Commun Chem 2023; 6:83. [PMID: 37120482 PMCID: PMC10148624 DOI: 10.1038/s42004-023-00888-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 04/19/2023] [Indexed: 05/01/2023] Open
Abstract
HIV-1 reverse transcriptase is one of the most attractive targets for the treatment of AIDS. However, the rapid emergence of drug-resistant strains and unsatisfactory drug-like properties seriously limit the clinical application of HIV-1 non-nucleoside reverse transcriptase inhibitors (NNRTIs). Here we show that a series of piperazine sulfonyl-bearing diarylpyrimidine-based NNRTIs were designed to improve the potency against wild-type and NNRTI-resistant strains by enhancing backbone-binding interactions. Among them, compound 18b1 demonstrates single-digit nanomolar potency against the wild-type and five mutant HIV-1 strains, which is significantly better than the approved drug etravirine. The co-crystal structure analysis and molecular dynamics simulation studies were conducted to explain the broad-spectrum inhibitory activity of 18b1 against reverse transcriptase variants. Besides, compound 18b1 demonstrates improved water solubility, cytochrome P450 liability, and other pharmacokinetic properties compared to the currently approved diarylpyrimidine (DAPY) NNRTIs. Therefore, we consider compound 18b1 a potential lead compound worthy of further study.
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Affiliation(s)
- Xiangyi Jiang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Boshi Huang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Shawn Rumrill
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ, 08854, USA
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, 08854, USA
| | - David Pople
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ, 08854, USA
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, 08854, USA
| | - Waleed A Zalloum
- Department of Pharmacy, Faculty of Health Science, American University of Madaba, P.O Box 2882, Amman, 11821, Jordan
| | - Dongwei Kang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
- China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Fabao Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Xiangkai Ji
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Zhen Gao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Lide Hu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Zhao Wang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Minghui Xie
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China
| | - Erik De Clercq
- Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, K.U.Leuven, Herestraat 49 Postbus 1043 (09.A097), B-3000, Leuven, Belgium
| | - Francesc X Ruiz
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ, 08854, USA.
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, 08854, USA.
| | - Eddy Arnold
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ, 08854, USA.
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ, 08854, USA.
| | - Christophe Pannecouque
- Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, K.U.Leuven, Herestraat 49 Postbus 1043 (09.A097), B-3000, Leuven, Belgium.
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China.
- China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province, 44 West Culture Road, Jinan, 250012, Shandong, PR China.
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, Jinan, 250012, Shandong, PR China.
- China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong Province, 44 West Culture Road, Jinan, 250012, Shandong, PR China.
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7
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Garre MS, Otárola GG, Merino E, Sucunza D, Aguilar E, Quirós MT, Vaquero JJ, García-García P. Gold-catalyzed endo-selective cyclization of alkynylcyclobutanecarboxamides: synthesis of cyclobutane-fused dihydropyridones. Org Biomol Chem 2023; 21:2705-2708. [PMID: 36919647 DOI: 10.1039/d3ob00051f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Cyclobutane-fused dihydropyridones can be efficiently synthesized by a completely endo-selective gold-catalyzed cyclization of alkynylcyclobutanes bearing an appended amide, which proceeds under mild conditions. The observed selectivity, which is reversed from that previously observed for the cyclization of related alcohols and acids, is supported by DFT calculations.
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Affiliation(s)
- M Soledad Garre
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - Guillermo G Otárola
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - Estíbaliz Merino
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - David Sucunza
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - Enrique Aguilar
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles", Universidad de Oviedo, C/Julián Clavería, 8, 33006 Oviedo, Spain
| | - M Teresa Quirós
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - Juan J Vaquero
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
| | - Patricia García-García
- Universidad de Alcalá (IRYCIS), Departamento de Química Orgánica y Química Inorgánica, Instituto de Investigación Química "Andrés M. del Río" (IQAR), Campus Científico-Tecnológico, Facultad de Farmacia, Autovía A-II, Km 33.1, 28805-Alcalá de Henares, Madrid, Spain.
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8
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Guillet SG, Logvinov AA, Voloshkin VA, Martynova EA, Nolan SP. Access to Azetidines via Gold Mediated Energy Transfer Photocatalysis. Org Lett 2023; 25:1403-1408. [PMID: 36847204 DOI: 10.1021/acs.orglett.3c00136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
The area of energy transfer photocatalysis to generate four-membered rings is experiencing an unprecedented level of activity. Here, we report an operationally simple method toward azetidines from 2-isoxasoline-3-carboxylates and alkenes, using [Au(cbz)(NHC)] complexes as photocatalysts. The procedure enables the reaction for a wide range of substrates. Mechanistic studies confirm the energy transfer pathway. This contribution adds to the earlier reported use of these gold catalysts as a potentially versatile tool in energy transfer chemistry and catalysis.
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Affiliation(s)
- Sébastien G Guillet
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Campus Sterre, Building S-3, Krijgslaan 281, 9000 Ghent, Belgium
| | - Aleksei A Logvinov
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Campus Sterre, Building S-3, Krijgslaan 281, 9000 Ghent, Belgium
| | - Vladislav A Voloshkin
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Campus Sterre, Building S-3, Krijgslaan 281, 9000 Ghent, Belgium
| | - Ekaterina A Martynova
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Campus Sterre, Building S-3, Krijgslaan 281, 9000 Ghent, Belgium
| | - Steven P Nolan
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Campus Sterre, Building S-3, Krijgslaan 281, 9000 Ghent, Belgium
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9
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Mansson CMF, Burns NZ. Aqueous Amine-Tolerant [2+2] Photocycloadditions of Unactivated Olefins. J Am Chem Soc 2022; 144:19689-19694. [PMID: 36269089 DOI: 10.1021/jacs.2c08778] [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
The Kochi-Salomon reaction is the only photochemical [2+2] cycloaddition capable of combining two electronically unactivated olefins into a cyclobutane. Yet, the reaction has remained largely unexplored and suffers many drawbacks, most notably an intolerance to Lewis/Brønsted basic amines and amides. Since these groups are ubiquitous in biologically active pharmaceuticals, an amine-tolerant Kochi-Salomon reaction would greatly facilitate rapid exploration of novel drug scaffolds. Herein, we disclose a transformation that is run in water with the most widely available Cu(II) salts and mineral acids. Furthermore, we apply this methodology to synthesize a variety of amine-containing cyclobutanes, including known and novel pharmacological analogues.
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Affiliation(s)
- Carl M F Mansson
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Noah Z Burns
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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10
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O'Dowd H, Manske JL, Freedman SA, Cochran JE. Ketoreductase-Catalyzed Access to Axially Chiral 2,6-Disubstituted Spiro[3.3]heptane Derivatives. Org Lett 2022; 24:3431-3434. [PMID: 35486487 DOI: 10.1021/acs.orglett.2c01378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The desymmetrization of a prochiral 6-oxaspiro[3.3]heptane-2-carboxylic acid derivative via biocatalytic ketoreductase-mediated reduction has provided access to both enantiomers in high ee. The axially chiral alcohol was converted to the corresponding ester alcohol, amino acid, and amino alcohol building blocks while high enantiopurity was maintained.
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Affiliation(s)
- Hardwin O'Dowd
- Vertex Pharmaceuticals Inc., 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Jenna L Manske
- Vertex Pharmaceuticals Inc., 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Seth A Freedman
- Vertex Pharmaceuticals Inc., 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - John E Cochran
- Vertex Pharmaceuticals Inc., 50 Northern Avenue, Boston, Massachusetts 02210, United States
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11
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Buglioni L, Raymenants F, Slattery A, Zondag SDA, Noël T. Technological Innovations in Photochemistry for Organic Synthesis: Flow Chemistry, High-Throughput Experimentation, Scale-up, and Photoelectrochemistry. Chem Rev 2022; 122:2752-2906. [PMID: 34375082 PMCID: PMC8796205 DOI: 10.1021/acs.chemrev.1c00332] [Citation(s) in RCA: 208] [Impact Index Per Article: 104.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 02/08/2023]
Abstract
Photoinduced chemical transformations have received in recent years a tremendous amount of attention, providing a plethora of opportunities to synthetic organic chemists. However, performing a photochemical transformation can be quite a challenge because of various issues related to the delivery of photons. These challenges have barred the widespread adoption of photochemical steps in the chemical industry. However, in the past decade, several technological innovations have led to more reproducible, selective, and scalable photoinduced reactions. Herein, we provide a comprehensive overview of these exciting technological advances, including flow chemistry, high-throughput experimentation, reactor design and scale-up, and the combination of photo- and electro-chemistry.
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Affiliation(s)
- Laura Buglioni
- Micro
Flow Chemistry and Synthetic Methodology, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, Het Kranenveld, Bldg 14—Helix, 5600 MB, Eindhoven, The Netherlands
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Fabian Raymenants
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Aidan Slattery
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D. A. Zondag
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow
Chemistry Group, van ’t Hoff Institute for Molecular Sciences
(HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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12
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Chen R, Zhou C, Dong L, Feng T, Wang G, Wang J, Gu Y, Xu Z, Cheng J, Shao X, Xu X, Li Z. Diamides conformationally restricted with central amino acid: design, synthesis and biological activities. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rui‐Jia Chen
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Cong Zhou
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Le‐Feng Dong
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Ting‐Ting Feng
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Gang‐Ao Wang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Jun‐Jie Wang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Yu‐Cheng Gu
- Syngenta Jealott's Hill International Research Centre, RG42 6EY UK
| | - Zhi‐Ping Xu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Jia‐Gao Cheng
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Xu‐Sheng Shao
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Xiao‐Yong Xu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
| | - Zhong Li
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy East China University of Science and Technology Shanghai China
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13
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Advances in the synthesis of three-dimensional molecular architectures by dearomatizing photocycloadditions. Tetrahedron 2022. [DOI: 10.1016/j.tet.2021.132087] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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14
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Kalaitzakis D, Kampouropoulos I, Sofiadis M, Montagnon T, Vassilikogiannakis G. Access to high value sp 3-rich frameworks using photocatalyzed [2+2]-cycloadditions of γ-alkylidene-γ-lactams. Chem Commun (Camb) 2022; 58:8085-8088. [DOI: 10.1039/d2cc03009h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By harnessing an energy transfer process, new photocatalyzed [2+2]-cycloadditions occurring between γ-alkylidene-γ-lactams and unsaturated substrates have been developed. The reaction mode is particularly powerful because it leads to the formation...
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15
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Homon AA, Hryshchuk OV, Mykhailenko OV, Vashchenko BV, Melnykov KP, Michurin OM, Daniliuc CG, Gerus II, Kovtunenko VO, Kondratov IS, Grygorenko OO. 4‐(Di‐/Trifluoromethyl)‐2‐heterabicyclo[2.1.1]hexanes: Advanced Fluorinated Phenyl Isosteres and Proline analogues. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100414] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Anton A. Homon
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- V.P. Kukhar Institute of Bioorganic Chemistry & Petrochemistry NAS of Ukraine Murmanska Street 1 Kyiv 02660 Ukraine
| | - Oleksandr V. Hryshchuk
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01601 Ukraine
| | - Olha V. Mykhailenko
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01601 Ukraine
| | - Bohdan V. Vashchenko
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01601 Ukraine
| | - Kostiantyn P. Melnykov
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01601 Ukraine
| | - Oleg M. Michurin
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstr. 40 48149 Münster Germany
| | - Igor I. Gerus
- V.P. Kukhar Institute of Bioorganic Chemistry & Petrochemistry NAS of Ukraine Murmanska Street 1 Kyiv 02660 Ukraine
| | | | - Ivan S. Kondratov
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- V.P. Kukhar Institute of Bioorganic Chemistry & Petrochemistry NAS of Ukraine Murmanska Street 1 Kyiv 02660 Ukraine
| | - Oleksandr O. Grygorenko
- Enamine Ltd. (www.enamine.net) Chervonotkatska Street 78 Kyiv 02094 Ukraine
- Taras Shevchenko National University of Kyiv Volodymyrska Street 60 Kyiv 01601 Ukraine
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16
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Deeprose MJ, Lowe M, Noble A, Booker-Milburn KI, Aggarwal VK. Sequential Photocatalytic Reactions for the Diastereoselective Synthesis of Cyclobutane Scaffolds. Org Lett 2021; 24:137-141. [PMID: 34882426 DOI: 10.1021/acs.orglett.1c03746] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The synthesis of densely functionalized cyclobutanes containing all-carbon quaternary stereocenters in high regio- and diastereoselectivity remains synthetically challenging. Herein, we show that this can be achieved by using a sequential photocatalysis strategy, wherein 3-chloromaleimides undergo triplet sensitized [2 + 2] photocycloadditions with alkynes or alkenes followed by photoredox-catalyzed dechlorinative C-C bond forming reactions to install quaternary stereocenters. This allows the rapid assembly of structurally complex and sterically congested 3-azabicyclo[3.2.0]heptane scaffolds from readily available starting materials.
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Affiliation(s)
- Mark J Deeprose
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, U.K
| | - Martin Lowe
- Medicinal Chemistry Department, UCB, 216 Bath Road, Slough, SL1 3WE, U.K
| | - Adam Noble
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, U.K
| | | | - Varinder K Aggarwal
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, U.K
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17
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Elliott LD, Booker-Milburn KI, Lennox AJJ. Daisy-Chaining Photo- and Thermal Chemistry: Multistep Continuous Flow Synthesis of Visible-Light-Mediated Photochemistry with a High-Temperature Cascade Reaction. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.1c00187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Luke D. Elliott
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
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18
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Pecho F, Sempere Y, Gramüller J, Hörmann FM, Gschwind RM, Bach T. Enantioselective [2 + 2] Photocycloaddition via Iminium Ions: Catalysis by a Sensitizing Chiral Brønsted Acid. J Am Chem Soc 2021; 143:9350-9354. [PMID: 34156845 PMCID: PMC8251699 DOI: 10.1021/jacs.1c05240] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
N,O-Acetals derived from α,β-unsaturated β-aryl substituted aldehydes and (1-aminocyclohexyl)methanol were found to undergo a catalytic enantioselective [2 + 2] photocycloaddition to a variety of olefins (19 examples, 54-96% yield, 84-98% ee). The reaction was performed by visible light irradiation (λ = 459 nm). A chiral phosphoric acid (10 mol %) with an (R)-1,1'-bi-2-naphthol (binol) backbone served as the catalyst. The acid displays two thioxanthone groups attached to position 3 and 3' of the binol core via a meta-substituted phenyl linker. NMR studies confirmed the formation of an iminium ion which is attached to the acid counterion in a hydrogen-bond assisted ion pair. The catalytic activity of the acid rests on the presence of the thioxanthone moieties which enable a facile triplet energy transfer and an efficient enantioface differentiation.
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Affiliation(s)
- Franziska Pecho
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Yeshua Sempere
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Johannes Gramüller
- Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, University of Regensburg, Universitätsstraße 31, 93040 Regensburg, Germany
| | - Fabian M Hörmann
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Ruth M Gschwind
- Faculty of Chemistry and Pharmacy, Institute of Organic Chemistry, University of Regensburg, Universitätsstraße 31, 93040 Regensburg, Germany
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
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19
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Abstract
AbstractContinuous flow photochemistry as a field has witnessed an increasing popularity over the last decade in both academia and industry. Key drivers for this development are safety, practicality as well as the ability to rapidly access complex chemical structures. Continuous flow reactors, whether home-built or from commercial suppliers, additionally allow for creating valuable target compounds in a reproducible and automatable manner. Recent years have furthermore seen the advent of new energy efficient LED lamps that in combination with innovative reactor designs provide a powerful means to increasing both the practicality and productivity of modern photochemical flow reactors. In this review article we wish to highlight key achievements pertaining to the scalability of such continuous photochemical processes.
Graphical abstract
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20
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Benke Z, Remete AM, Semghouli A, Kiss L. Selective Functionalization of Norbornadiene Through Nitrile Oxide Cycloaddition/Ring‐Opening/Cross‐Metathesis Protocols. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zsanett Benke
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Attila M. Remete
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Anas Semghouli
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
| | - Loránd Kiss
- Institute of Pharmaceutical Chemistry University of Szeged H-6720 Szeged Eötvös u. 6 Hungary
- University of Szeged Interdisciplinary Excellence Centre Institute of Pharmaceutical Chemistry H-6720 Szeged Eötvös u. 6 Hungary
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21
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Shcherbakova V, Dibchak D, Snisarenko M, Skalenko Y, Denisenko AV, Kuznetsova AS, Mykhailiuk PK. Bicyclic Piperidines via [2 + 2] Photocycloaddition. J Org Chem 2021; 86:2200-2209. [PMID: 33211487 DOI: 10.1021/acs.joc.0c02355] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A synthetic strategy to fused bicyclic piperidines-building blocks for medicinal chemistry-is developed. The key step was an intramolecular [2 + 2]-photocyclization. The photochemical step was performed on a gram scale. Crystallographic analysis of the obtained compounds revealed that they occupy a novel chemical space and can be considered as elongated analogues of 3-substituted piperidines.
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Affiliation(s)
| | | | | | - Yevhen Skalenko
- Enamine Ltd., Chervonotkatska 78, 02094 Kyiv, Ukraine.,V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry NAS of Ukraine, Murmanska 1, 02094 Kyiv, Ukraine
| | | | | | - Pavel K Mykhailiuk
- Enamine Ltd., Chervonotkatska 78, 02094 Kyiv, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska 64, 01601 Kyiv, Ukraine
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22
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Gu X, Wei Y, Shi M. Construction of polysubstituted spiro[2.3] or [3.3] cyclic frameworks fused with a tosylated pyrrolidine promoted by visible-light-induced photosensitization. Org Chem Front 2021. [DOI: 10.1039/d1qo01373d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel visible-light-induced intramolecular [2 + 2] cycloaddition of methylenecyclopropanes (MCPs) for the rapid construction of polysubstituted spiro[2.3] or [3.3] cyclic frameworks fused with a tosylated pyrrolidine.
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Affiliation(s)
- Xintao Gu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, People's Republic of China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, People's Republic of China
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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23
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Cox B, Duffy J, Zdorichenko V, Bellanger C, Hurcum J, Laleu B, Booker-Milburn KI, Elliott LD, Robertson-Ralph M, Swain CJ, Bishop SJ, Hallyburton I, Anderson M. Escaping from Flatland: Antimalarial Activity of sp 3-Rich Bridged Pyrrolidine Derivatives. ACS Med Chem Lett 2020; 11:2497-2503. [PMID: 33335673 DOI: 10.1021/acsmedchemlett.0c00486] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/05/2020] [Indexed: 02/02/2023] Open
Abstract
We utilized synthetic photochemistry to generate novel sp3-rich scaffolds and report the design, synthesis, and biological testing of a diverse series of amides based on the 1-(amino-methyl)-2-benzyl-2-aza-bicyclo[2.1.1]hexane scaffold. Preliminary antimalarial screening of the library provided promising compounds with activity in the 1-5 μM range with an enhanced hit rate. Further evaluation (solubility, drug metabolism and pharmacokinetics (DMPK), and toxicity) of a selected compound (9) suggested that this series represents an excellent opportunity for further optimization with the framework offering multiple opportunities for the addition of uniquely vectorally positioned extra functionality.
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Affiliation(s)
- Brian Cox
- School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - James Duffy
- Medicines for Malaria Venture, PO Box 1826, 20 Route de Pré-Bois, 1215 Geneva 15, Switzerland
| | - Victor Zdorichenko
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Corentin Bellanger
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Jessica Hurcum
- School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Benoît Laleu
- Medicines for Malaria Venture, PO Box 1826, 20 Route de Pré-Bois, 1215 Geneva 15, Switzerland
| | - Kevin I. Booker-Milburn
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
- Photodiversity Ltd, c/o School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Luke D. Elliott
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Michael Robertson-Ralph
- Photodiversity Ltd, c/o School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | | | - Stephen J. Bishop
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Irene Hallyburton
- Drug Discovery Unit, Wellcome Centre for Anti-infective Research, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
| | - Mark Anderson
- Drug Discovery Unit, Wellcome Centre for Anti-infective Research, University of Dundee, Dow Street, Dundee DD1 5EH, U.K
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24
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Jiang X, Huang B, Olotu FA, Li J, Kang D, Wang Z, De Clercq E, Soliman MES, Pannecouque C, Liu X, Zhan P. Exploiting the tolerant region I of the non-nucleoside reverse transcriptase inhibitor (NNRTI) binding pocket. Part 2: Discovery of diarylpyrimidine derivatives as potent HIV-1 NNRTIs with high Fsp 3 values and favorable drug-like properties. Eur J Med Chem 2020; 213:113051. [PMID: 33279288 DOI: 10.1016/j.ejmech.2020.113051] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/18/2020] [Accepted: 11/24/2020] [Indexed: 01/18/2023]
Abstract
To yield potent HIV-1 non-nucleoside reverse transcriptase inhibitors (NNRTIs) with favorable drug-like properties, a series of novel diarylpyrimidine derivatives targeting the tolerant region I of the NNRTI binding pocket were designed, synthesized and biologically evaluated. The most active inhibitor 10c exhibited outstanding antiviral activity against most of the viral panel, being about 2-fold (wild-type, EC50 = 0.0021 μM), 1.7-fold (K103N, EC50 = 0.0019 μM), and slightly more potent (E138K, EC50 = 0.0075 μM) than the NNRTI drug etravirine (ETR). Additionally, 10c was endowed with relatively low cytotoxicity (CC50 = 18.52 μM). More importantly, 10c possessed improved drug-like properties compared to those of ETR with an increased Fsp3 (Fraction of sp3 carbon atoms) value. Furthermore, the molecular dynamics simulation and molecular docking studies were implemented to reveal the binding mode of 10c in the binding pocket. Taken together, 10c is a promising lead compound that is worth further investigation.
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Affiliation(s)
- Xiangyi Jiang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China
| | - Boshi Huang
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, 800 E Leigh Street, Richmond, VA, 23298, USA
| | - Fisayo A Olotu
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa
| | - Jing Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China
| | - Dongwei Kang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China
| | - Zhao Wang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China
| | - Erik De Clercq
- Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, K.U. Leuven, Leuven, B-3000, Belgium
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa.
| | - Christophe Pannecouque
- Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, K.U. Leuven, Leuven, B-3000, Belgium.
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China; China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong, Province, 44 West Culture Road, 250012, Jinan, Shandong, PR China.
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Ji'nan, Shandong, PR China; China-Belgium Collaborative Research Center for Innovative Antiviral Drugs of Shandong, Province, 44 West Culture Road, 250012, Jinan, Shandong, PR China.
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25
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Denisenko A, Garbuz P, Shishkina SV, Voloshchuk NM, Mykhailiuk PK. Saturated Bioisosteres of
ortho
‐Substituted Benzenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004183] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | - Pavel Garbuz
- Enamine Ltd Chervonotkatska 78 02094 Kyiv Ukraine
| | - Svetlana V. Shishkina
- “Institute for Single Crystals” National Academy of Science of Ukraine Lenina Ave. 60 61001 Kharkiv Ukraine
| | - Nataliya M. Voloshchuk
- National University of Life and Environmental Science of Ukraine Heroiv Oborony 15 03041 Kyiv Ukraine
| | - Pavel K. Mykhailiuk
- Enamine Ltd Chervonotkatska 78 02094 Kyiv Ukraine
- Taras Shevchenko National University of Kyiv Chemistry Department Volodymyrska 64 01601 Kyiv Ukraine
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26
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Synthesis of azetidines via visible-light-mediated intermolecular [2+2] photocycloadditions. Nat Chem 2020; 12:898-905. [DOI: 10.1038/s41557-020-0541-1] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 08/03/2020] [Indexed: 11/08/2022]
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27
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Yaremenko IA, Radulov PS, Medvedev MG, Krivoshchapov NV, Belyakova YY, Korlyukov AA, Ilovaisky AI, Terent Ev AO, Alabugin IV. How to Build Rigid Oxygen-Rich Tricyclic Heterocycles from Triketones and Hydrogen Peroxide: Control of Dynamic Covalent Chemistry with Inverse α-Effect. J Am Chem Soc 2020; 142:14588-14607. [PMID: 32787239 DOI: 10.1021/jacs.0c06294] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We describe an efficient one-pot procedure that "folds" acyclic triketones into structurally complex, pharmaceutically relevant tricyclic systems that combine high oxygen content with unusual stability. In particular, β,γ'-triketones are converted into three-dimensional polycyclic peroxides in the presence of H2O2 under acid catalysis. These transformations are fueled by stereoelectronic frustration of H2O2, the parent peroxide, where the lone pairs of oxygen are not involved in strongly stabilizing orbital interactions. Computational analysis reveals how this frustration is relieved in the tricyclic peroxide products, where strongly stabilizing anomeric nO→σC-O* interactions are activated. The calculated potential energy surfaces for these transformations combine labile, dynamically formed cationic species with deeply stabilized intermediate structures that correspond to the introduction of one, two, or three peroxide moieties. Paradoxically, as the thermodynamic stability of the peroxide products increases along this reaction cascade, the kinetic barriers for their formation increase as well. This feature of the reaction potential energy surface, which allows separation of mono- and bis-peroxide tricyclic products, also explains why formation of the most stable tris-peroxide is the least kinetically viable and is not observed experimentally. Such unique behavior can be explained through the "inverse α-effect", a new stereoelectronic phenomenon with many conceptual implications for the development of organic functional group chemistry.
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Affiliation(s)
- Ivan A Yaremenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Peter S Radulov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Michael G Medvedev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Nikolai V Krivoshchapov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation.,Lomonosov Moscow State University, Leninskie Gory 1 (3), Moscow 119991, Russia
| | - Yulia Yu Belyakova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Alexander A Korlyukov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova st, Moscow 119991, Russian Federation
| | - Alexey I Ilovaisky
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Alexander O Terent Ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., Moscow 119991, Russian Federation
| | - Igor V Alabugin
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
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28
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Elliott LD, Kayal S, George MW, Booker-Milburn K. Rational Design of Triplet Sensitizers for the Transfer of Excited State Photochemistry from UV to Visible. J Am Chem Soc 2020; 142:14947-14956. [PMID: 32786778 DOI: 10.1021/jacs.0c05069] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Time Dependent Density Functional Theory has been used to assist the design and synthesis of a series thioxanthone triplet sensitizers. Calculated energies of the triplet excited state (ET) informed both the type and position of auxochromes placed on the thioxanthone core, enabling fine-tuning of the UV-vis absorptions and associated triplet energies. The calculated results were highly consistent with experimental observation in both the order of the λmax and ET values. The synthesized compounds were then evaluated for their efficacies as triplet sensitizers in a variety of UV and visible light preparative photochemical reactions. The results of this study exceeded expectations; in particular [2 + 2] cycloaddition chemistry that had previously been sensitized in the UV was found to undergo cycloaddition at 455 nm (blue) with a 2- to 9-fold increase in productivity (g/h) relative to input power. This study demonstrates the ability of powerful modern computational methods to aid in the design of successful and productive triplet sensitized photochemical reactions.
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Affiliation(s)
- Luke D Elliott
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom
| | - Surajit Kayal
- School of Chemistry, University of Nottingham, University Park,Nottingham NG7 2RD, United Kingdom
| | - Michael W George
- School of Chemistry, University of Nottingham, University Park,Nottingham NG7 2RD, United Kingdom.,Department of Chemical and Environmental Engineering, The University of Nottingham Ningbo China, Ningbo 315100, P. R. China
| | - Kevin Booker-Milburn
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom
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29
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Denisenko A, Garbuz P, Shishkina SV, Voloshchuk NM, Mykhailiuk PK. Saturated Bioisosteres of ortho-Substituted Benzenes. Angew Chem Int Ed Engl 2020; 59:20515-20521. [PMID: 32662201 DOI: 10.1002/anie.202004183] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/28/2020] [Indexed: 12/22/2022]
Abstract
Saturated bioisosteres of ortho-disubstituted benzenes (bicyclo[2.1.1]hexanes) were synthesized, characterized and validated. These cores were incorporated into the bioactive compounds Valsartan, Boskalid and Fluxapyroxad instead of the benzene ring. The saturated analogues showed a similar level of antifungal activity compared to that of Boskalid and Fluxapyroxad.
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Affiliation(s)
| | - Pavel Garbuz
- Enamine Ltd, Chervonotkatska 78, 02094, Kyiv, Ukraine
| | - Svetlana V Shishkina
- "Institute for Single Crystals", National Academy of Science of Ukraine, Lenina Ave. 60, 61001, Kharkiv, Ukraine
| | - Nataliya M Voloshchuk
- National University of Life and Environmental Science of Ukraine, Heroiv Oborony 15, 03041, Kyiv, Ukraine
| | - Pavel K Mykhailiuk
- Enamine Ltd, Chervonotkatska 78, 02094, Kyiv, Ukraine.,Taras Shevchenko National University of Kyiv, Chemistry Department, Volodymyrska 64, 01601, Kyiv, Ukraine
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30
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Lux MC, Jurczyk J, Lam YH, Song ZJ, Ma C, Roque JB, Ham JS, Sciammetta N, Adpressa D, Sarpong R, Yeung CS. Synthesis of Bridged Bicyclic Amines by Intramolecular Amination of Remote C–H Bonds: Synergistic Activation by Light and Heat. Org Lett 2020; 22:6578-6583. [DOI: 10.1021/acs.orglett.0c02345] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Michaelyn C. Lux
- MRL Postdoctoral Fellow, Discovery Chemistry, Merck & Co., Inc. 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Justin Jurczyk
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Yu-hong Lam
- Computational and Structural Chemistry, Merck & Co., Inc., 126 East Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Zhiguo J. Song
- External Discovery Process Chemistry, Department of Process Research & Development, Merck & Co., 126 East Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Chao Ma
- WuXi Apptec Co., Ltd., 168 Nanhai Road, Tianjin Economic-Technological Development
Area, Tianjin 330457, China
| | - Jose B. Roque
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jin Su Ham
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Nunzio Sciammetta
- Discovery Chemistry, Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Donovon Adpressa
- Analytical Research & Development, Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Richmond Sarpong
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Charles S. Yeung
- Disruptive Chemistry Fellow, Discovery Chemistry, Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
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31
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Kiss L, Benke Z, Remete AM, Fülöp F. Diversity-oriented Functionalization of Cyclodienes Through Selective Cycloaddition/Ring-opening/Cross-metathesis Protocols; Transformation of a "Flatland" into Three-dimensional Scaffolds With Stereo- and Regiocontrol. CHEM REC 2020; 20:1129-1141. [PMID: 32720742 DOI: 10.1002/tcr.202000070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/05/2020] [Accepted: 07/06/2020] [Indexed: 01/07/2023]
Abstract
This article presents selective transformations of some readily available cyclodienes through simple chemical procedures into novel functionalized small-molecular entities. The syntheses hereby described involved selective cycloadditions, followed by ring-opening metathesis of the resulting β-lactam or isoxazoline derivatives and selective cross-metathesis by differentiation of the olefin bonds on the alkenylated heterocycles. The cross-metathesis transformations have been detailed, which were performed under various experimental conditions with the aim of exploring chemodiscrimination of the olefin bonds and delivering the corresponding functionalized β-lactam or isoxazoline derivatives.
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Affiliation(s)
- Loránd Kiss
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Zsanett Benke
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Attila M Remete
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry, University of Szeged, H-6720, Szeged, Eötvös u. 6, Hungary.,University of Szeged, I, nterdisciplinary Excellence Centre, Institute of Pharmaceutical Chemistry, H-6720, Szeged, Eötvös u. 6, Hungary.,MTA-SZTE Stereochemistry Research Group, Hungarian Academy of Sciences, H-6720, Szeged, Eötvös u. 6, Hungary
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32
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Wei W, Cherukupalli S, Jing L, Liu X, Zhan P. Fsp 3: A new parameter for drug-likeness. Drug Discov Today 2020; 25:1839-1845. [PMID: 32712310 DOI: 10.1016/j.drudis.2020.07.017] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/26/2020] [Accepted: 07/16/2020] [Indexed: 12/19/2022]
Abstract
The drug-likeness of a compound is a key factor during the initial phases of drug discovery. It can be defined as the similarity between compounds and drugs. Here, we collate research related to the fraction of sp3 carbon atoms (Fsp3), including related high-throughput screening (HTS) cases, structural modifications based on Fsp3, and strategies to improve it. We also introduce new synthetic methods for spirocyclic scaffolds. It is likely that the reasonable rigidity of spirocyclic scaffolds will provide a new generation of drug candidates.
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Affiliation(s)
- Wenxiu Wei
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China
| | - Srinivasulu Cherukupalli
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China
| | - Lanlan Jing
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China
| | - Xinyong Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China.
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China.
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33
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Cox B, Zdorichenko V, Cox PB, Booker-Milburn KI, Paumier R, Elliott LD, Robertson-Ralph M, Bloomfield G. Escaping from Flatland: Substituted Bridged Pyrrolidine Fragments with Inherent Three-Dimensional Character. ACS Med Chem Lett 2020; 11:1185-1190. [PMID: 32550999 DOI: 10.1021/acsmedchemlett.0c00039] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 03/27/2020] [Indexed: 11/30/2022] Open
Abstract
The pressure to deliver new medicines to the patient continues to grow along with increases in compound failure rate, thus putting the current R&D model at risk. Analysis has shown that increasing the three-dimensionality of potential drug candidates decreases the risk of failure and improves binding selectivity and frequency. For this reason many workers have taken a new look at the power of photochemistry as a means to generate novel sp3 rich scaffolds for use in drug discovery programs. Here we report the design, synthesis, and computational structural analysis of a series of 2,4-methanoprolines having inherent 3D character (PMI and PBF scores) significantly higher than that of the broader AbbVie Rule of 3 (Ro3) collection.
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Affiliation(s)
- Brian Cox
- School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Victor Zdorichenko
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Philip B. Cox
- Drug Discovery Science and Technology, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064-6217, United States
| | - Kevin I. Booker-Milburn
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
- Photodiversity Ltd, c/o School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Romain Paumier
- Photodiversity Ltd, c/o School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Luke D. Elliott
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Michael Robertson-Ralph
- Photodiversity Ltd, c/o School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Graham Bloomfield
- School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
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34
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Beaver MG, Zhang EX, Liu ZQ, Zheng SY, Wang B, Lu JP, Tao J, Gonzalez M, Jones S, Tedrow JS. Development and Execution of a Production-Scale Continuous [2 + 2] Photocycloaddition. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00185] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Matthew G. Beaver
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
| | - En-xuan Zhang
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Zhi-qing Liu
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Song-yuan Zheng
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Bin Wang
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Jiang-ping Lu
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Jian Tao
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Miguel Gonzalez
- Asymchem Life Science (Tianjin) Co., Ltd., No. 71 Seventh Avenue, TEDA, Tianjin 300457, China
| | - Siân Jones
- Process Development, Amgen, Inc., Thousand Oaks, California 91320, United States
| | - Jason S. Tedrow
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
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