1
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Lei J, Xu ZG. Reaction strategies for the meta-selective functionalization of pyridine through dearomatization. Mol Divers 2024:10.1007/s11030-024-10861-5. [PMID: 38647989 DOI: 10.1007/s11030-024-10861-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/25/2024] [Indexed: 04/25/2024]
Abstract
The pyridine moiety is a crucial structural component in various pharmaceuticals. While the direct ortho- and para-functionalization of pyridines is relatively straightforward, the meta-selective C-H functionalization remains a significant challenge. This review highlights dearomatization strategies as a key area of interest in expanding the application of meta-C-H functionalization of pyridines. Dearomatization enables the meta-functionalization through various catalytic methods that directly generate dearomatization products, and some products can be rearomatized back to pyridine derivatives. Furthermore, this article also covers the dearomatization of multiple positions of pyridine in the synthesis of polycyclic compounds. It offers a comprehensive overview of the latest advancements in dearomatization at different positions of pyridine, aiming to provide a valuable resource for researchers in this field. It also highlights the advantages and limitations of existing technologies, aiming to inform a broader audience about this important field and foster its future development.
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Affiliation(s)
- Jie Lei
- College of Pharmacy, National & Local Joint Engineering Research Center of Targeted and Innovative Therapeutics, IATTI, Chongqing University of Arts and Sciences, Chongqing, 402160, China
| | - Zhi-Gang Xu
- College of Pharmacy, National & Local Joint Engineering Research Center of Targeted and Innovative Therapeutics, IATTI, Chongqing University of Arts and Sciences, Chongqing, 402160, China.
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2
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Chandu P, Biswas S, Pal K, Sureshkumar D. Organophotoredox Catalysis: Switchable Radical Generation from Alkyl Sodium Sulfinates for Sulfonylation and Alkylative Activation of C-C Bonds of Cyclopropenes. J Org Chem 2024; 89:3912-3925. [PMID: 38446801 DOI: 10.1021/acs.joc.3c02743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Generating alkyl radicals from the sulfonyl radicals remains challenging in synthetic chemistry. Here, we report an efficient photocatalyzed strategy using alkyl sodium sulfinates as both sulfonylating and alkylating reagents by controlling the reaction temperature. This methodology provides a versatile protocol for synthesizing diastereoselective sulfonylated cyclopropanes and poly-substituted styrene derivatives. This methodology is successfully demonstrated with a wide variety of cyclopropenes and alkyl sulfinates, showcasing its broad substrate scope, high diastereo- and E/Z selectivity, and yielding good to excellent yields.
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Affiliation(s)
- Palasetty Chandu
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India
| | - Sourabh Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India
| | - Koustav Pal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India
| | - Devarajulu Sureshkumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India
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3
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King-Smith E, Faber FA, Reilly U, Sinitskiy AV, Yang Q, Liu B, Hyek D, Lee AA. Predictive Minisci late stage functionalization with transfer learning. Nat Commun 2024; 15:426. [PMID: 38225239 PMCID: PMC10789750 DOI: 10.1038/s41467-023-42145-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 10/01/2023] [Indexed: 01/17/2024] Open
Abstract
Structural diversification of lead molecules is a key component of drug discovery to explore chemical space. Late-stage functionalizations (LSFs) are versatile methodologies capable of installing functional handles on richly decorated intermediates to deliver numerous diverse products in a single reaction. Predicting the regioselectivity of LSF is still an open challenge in the field. Numerous efforts from chemoinformatics and machine learning (ML) groups have made strides in this area. However, it is arduous to isolate and characterize the multitude of LSF products generated, limiting available data and hindering pure ML approaches. We report the development of an approach that combines a message passing neural network and 13C NMR-based transfer learning to predict the atom-wise probabilities of functionalization for Minisci and P450-based functionalizations. We validated our model both retrospectively and with a series of prospective experiments, showing that it accurately predicts the outcomes of Minisci-type and P450 transformations and outperforms the well-established Fukui-based reactivity indices and other machine learning reactivity-based algorithms.
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Affiliation(s)
- Emma King-Smith
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | - Felix A Faber
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | - Usa Reilly
- Development & Medical, Pfizer Worldwide Research, Groton, CT, USA
| | - Anton V Sinitskiy
- Machine Learning Computational Sciences, Pfizer Worldwide Research, Cambridge, MA, USA
| | - Qingyi Yang
- Development & Medical, Pfizer Worldwide Research, Cambridge, MA, USA
| | - Bo Liu
- Spectrix Analytic Services, LLC., North Haven, CT, USA
| | - Dennis Hyek
- Spectrix Analytic Services, LLC., North Haven, CT, USA
| | - Alpha A Lee
- Cavendish Laboratory, University of Cambridge, Cambridge, UK.
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4
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Castellino NJ, Montgomery AP, Danon JJ, Kassiou M. Late-stage Functionalization for Improving Drug-like Molecular Properties. Chem Rev 2023. [PMID: 37285604 DOI: 10.1021/acs.chemrev.2c00797] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The development of late-stage functionalization (LSF) methodologies, particularly C-H functionalization, has revolutionized the field of organic synthesis. Over the past decade, medicinal chemists have begun to implement LSF strategies into their drug discovery programs, allowing for the drug discovery process to become more efficient. Most reported applications of late-stage C-H functionalization of drugs and drug-like molecules have been to rapidly diversify screening libraries to explore structure-activity relationships. However, there has been a growing trend toward the use of LSF methodologies as an efficient tool for improving drug-like molecular properties of promising drug candidates. In this review, we have comprehensively reviewed recent progress in this emerging area. Particular emphasis is placed on case studies where multiple LSF techniques were implemented to generate a library of novel analogues with improved drug-like properties. We have critically analyzed the current scope of LSF strategies to improve drug-like properties and commented on how we believe LSF can transform drug discovery in the future. Overall, we aim to provide a comprehensive survey of LSF techniques as tools for efficiently improving drug-like molecular properties, anticipating its continued uptake in drug discovery programs.
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Affiliation(s)
| | | | - Jonathan J Danon
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Michael Kassiou
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
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5
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Zhou M, Tsien J, Dykstra R, Hughes JME, Peters BK, Merchant RR, Gutierrez O, Qin T. Alkyl sulfinates as cross-coupling partners for programmable and stereospecific installation of C(sp 3) bioisosteres. Nat Chem 2023; 15:550-559. [PMID: 36864142 PMCID: PMC10838399 DOI: 10.1038/s41557-023-01150-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 01/30/2023] [Indexed: 03/04/2023]
Abstract
In recent years, a variety of cycloalkyl groups with quaternary carbons, in particular cyclopropyl and cyclobutyl trifluoromethyl groups, have emerged as promising bioisosteres in drug-like molecules. The modular installation of such bioisosteres remains challenging to synthetic chemists. Alkyl sulfinate reagents have been developed as radical precursors to prepare functionalized heterocycles with the desired alkyl bioisosteres. However, the innate (radical) reactivity of this transformation poses reactivity and regioselectivity challenges for the functionalization of any aromatic or heteroaromatic scaffold. Here we showcase the ability of alkyl sulfinates to engage in sulfurane-mediated C(sp3)-C(sp2) cross-coupling, thereby allowing for programmable and stereospecific installation of these alkyl bioisosteres. The ability of this method to simplify retrosynthetic analysis is exemplified by the improved synthesis of multiple medicinally relevant scaffolds. Experimental studies and theoretical calculations for the mechanism of this sulfur chemistry reveal a ligand-coupling trend under alkyl Grignard activation via the sulfurane intermediate, stabilized by solvation of tetrahydrofuran.
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Affiliation(s)
- Min Zhou
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Harry Hines Blvd, Dallas, TX, USA
| | - Jet Tsien
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Harry Hines Blvd, Dallas, TX, USA
| | - Ryan Dykstra
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, USA
| | - Jonathan M E Hughes
- Department of Process Research and Development, Merck & Co., Inc., Rahway, NJ, USA
| | - Byron K Peters
- Department of Process Research and Development, Merck & Co., Inc., Rahway, NJ, USA
| | - Rohan R Merchant
- Department of Discovery Chemistry, Merck & Co., Inc., South San Francisco, CA, USA
| | - Osvaldo Gutierrez
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, USA.
- Department of Chemistry, Texas A&M University, College Station, TX, USA.
| | - Tian Qin
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Harry Hines Blvd, Dallas, TX, USA.
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6
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Chen G, Chang Z, Yuan P, Wang S, Yang Y, Liang X, Zhao D. Late-stage functionalization of 5-nitrofurans derivatives and their antibacterial activities. RSC Adv 2023; 13:3204-3209. [PMID: 36756397 PMCID: PMC9853512 DOI: 10.1039/d2ra07676d] [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: 12/02/2022] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Structure modification of drugs is a reliable way to optimize lead compounds, among which the most striking and direct method is late-stage functionalization (LSF). Here, we employed the Cu-catalyzed C-H LSF to modify 5-nitrofuran drugs. A series of modifications have been carried out including hydroxylation, methylation, azidination, cyanation, arylation, etc. Antibacterial activities of all compounds in vitro were measured. The results showed that compound 1 and compound 18 were the most active among all compounds. Meanwhile, the cell cytotoxicity assays of potent compounds 1, 3, 4, 5 & 18 and the parent drug FZD were conducted.
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Affiliation(s)
- Geshuyi Chen
- The First Clinical Medical College, Lanzhou University Lanzhou China
| | - Zhe Chang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University Guangzhou China
| | - Pei Yuan
- The First Clinical Medical College, Lanzhou University Lanzhou China
| | - Si Wang
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University Guangzhou China
| | - Yongxiu Yang
- The First Clinical Medical College, Lanzhou University Lanzhou China .,The First Clinical Medical College, Lanzhou University. Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University, Key Laboratory for Gynecologic Oncology Lanzhou 730000 Gansu Province China .,Lead Contact China
| | - Xiaolei Liang
- The First Clinical Medical College, Lanzhou University Lanzhou China .,The First Clinical Medical College, Lanzhou University. Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University, Key Laboratory for Gynecologic Oncology Lanzhou 730000 Gansu Province China
| | - Depeng Zhao
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University Guangzhou China
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7
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Kvasha DA, Deviatkin A, Poturai AS, Nosik PS, Kyrylchuk AA, Suikov S, Rozhenko AB, Volochnyuk DM, Grygorenko OO. Metal-Free C-H Difluoromethylation of Imidazoles with the Ruppert-Prakash Reagent. J Org Chem 2023; 88:163-171. [PMID: 36520999 DOI: 10.1021/acs.joc.2c02041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The reaction of trimethyl(trifluoromethyl)silane-tetrabutylammonium difluorotriphenylsilicate (CF3SiMe3-TBAT) with a series of imidazoles gives products of the formal difluorocarbene insertion into the C-H bond at the C-2 position (i.e., C-difluoromethylation). According to NMR spectra, the corresponding 2-(trimethylsilyl)difluoromethyl-substituted derivatives are likely formed as the intermediates in the reaction, and then, they slowly convert to 2-difluoromethyl-substituted imidazoles. Quantum chemical calculations of two plausible reaction mechanisms indicate that it proceeds through the intermediate imidazolide anion stabilized through the interaction with solvent molecules and counterions. In the first proposed mechanism, the anion reacts with difluorocarbene without an activation barrier, and then, the CF2 moiety of the adduct attacks the CF3SiMe3 molecule. After the elimination of the CF3 anion, 2-(trimethylsilyl)difluromethyl-substituted imidazole is formed. Another possible reaction pathway includes silylation of imidazolide anion at the N-3 atom, followed by the barrierless addition of difluorocarbene at the C-2 atom and then by 1,3-shift of the SiMe3 group from N-3 to the carbon atom of the CF2 moiety. Both proposed mechanisms do not include steps with high activation barriers.
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Affiliation(s)
- Denys A Kvasha
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyïv 01601, Ukraine
| | - Andrii Deviatkin
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyïv 01601, Ukraine
| | | | - Pavel S Nosik
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyïv 01601, Ukraine
| | - Andrii A Kyrylchuk
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Str. 5, Kyïv 02094, Ukraine
| | - Sergiy Suikov
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Str. 5, Kyïv 02094, Ukraine
| | - Alexander B Rozhenko
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Str. 5, Kyïv 02094, Ukraine.,University of Bielefeld, Universitätstrasse 25, 33615 Bielefeld, Germany
| | - Dmitriy M Volochnyuk
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyïv 01601, Ukraine.,Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademik Kukhar Str. 5, Kyïv 02094, Ukraine
| | - Oleksandr O Grygorenko
- Enamine Ltd., Chervonotkatska Str. 78, Kyïv 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyïv 01601, Ukraine
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8
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Yamada T, Fujii A, Park K, Furugen C, Takagi A, Ikawa T, Sajiki H. Catalytic Intramolecular Cyclization of Alkynyl Cyclic Acetals via Chemoselective Activation Leading to Phenanthrene Core. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Akiko Fujii
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Kwihwan Park
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Chikara Furugen
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Akira Takagi
- Laboratory of Bioorganic & Natural Products Chemistry, Kobe Pharmaceutical University, Kobe, Hyogo 658-8558, Japan
| | - Takashi Ikawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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9
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Rodríguez RI, Sicignano M, Alemán J. Fluorinated Sulfinates as Source of Alkyl Radicals in the Photo-Enantiocontrolled β-Functionalization of Enals. Angew Chem Int Ed Engl 2022; 61:e202112632. [PMID: 34982505 DOI: 10.1002/anie.202112632] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Indexed: 12/13/2022]
Abstract
The generation of sulfonyl radicals has long been known as a flexible strategy in a wide range of different sulfonylative transformations. Meanwhile their use in alkylation processes has been somehow limited due to their inherent difficulty in evolving to less-stable radicals after sulfur dioxide extrusion. Herein we report a convenient strategy that involves gem-difluorinated sulfinates as an "upgrading-mask", allowing these precursors to decompose into their corresponding alkyl radicals. The electron-donor character of sulfinates in the formation of an electron donor-acceptor (EDA) complex with transient iminium ions is displayed, achieving the first example of a stereocontrolled light-driven insertion of gem-difluoro derivatives into unsaturated aldehydes. This methodology is compatible with flow conditions, maintaining identical levels of enantiocontrol.
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Affiliation(s)
- Ricardo I Rodríguez
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Marina Sicignano
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - José Alemán
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049, Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
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10
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Rodríguez RI, Sicignano M, Alemán J. Fluorinated Sulfinates as Source of Alkyl Radicals in the Photo‐Enantiocontrolled β‐Functionalization of Enals. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112632] [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)
- Ricardo I. Rodríguez
- Organic Chemistry Department Módulo 1 Universidad Autónoma de Madrid 28049 Madrid Spain
| | - Marina Sicignano
- Organic Chemistry Department Módulo 1 Universidad Autónoma de Madrid 28049 Madrid Spain
| | - José Alemán
- Organic Chemistry Department Módulo 1 Universidad Autónoma de Madrid 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem) Universidad Autónoma de Madrid 28049 Madrid Spain
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11
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Zabolotna Y, Volochnyuk DM, Ryabukhin SV, Gavrylenko K, Horvath D, Klimchuk O, Oksiuta O, Marcou G, Varnek A. SynthI: A New Open-Source Tool for Synthon-Based Library Design. J Chem Inf Model 2021; 62:2151-2163. [PMID: 34723532 DOI: 10.1021/acs.jcim.1c00754] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Most of the existing computational tools for de novo library design are focused on the generation, rational selection, and combination of promising structural motifs to form members of the new library. However, the absence of a direct link between the chemical space of the retrosynthetically generated fragments and the pool of available reagents makes such approaches appear as rather theoretical and reality-disconnected. In this context, here we present Synthons Interpreter (SynthI), a new open-source toolkit for de novo library design that allows merging those two chemical spaces into a single synthons space. Here synthons are defined as actual fragments with valid valences and special labels, specifying the position and the nature of reactive centers. They can be issued from either the "breakup" of reference compounds according to 38 retrosynthetic rules or real reagents, after leaving group withdrawal or transformation. Such an approach not only enables the design of synthetically accessible libraries and analog generation but also facilitates reagents (building blocks) analysis in the medicinal chemistry context. SynthI code is publicly available at https://github.com/Laboratoire-de-Chemoinformatique/SynthI.
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Affiliation(s)
- Yuliana Zabolotna
- University of Strasbourg, Laboratoire de Chemoinformatique, 4, rue B. Pascal, Strasbourg 67081, France
| | - Dmitriy M Volochnyuk
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv 02660, Ukraine.,Enamine Ltd.78 Chervonotkatska str., 02660 Kyiv, Ukraine
| | - Sergey V Ryabukhin
- The Institute of High Technologies, Kyiv National Taras Shevchenko University, 64 Volodymyrska Street, Kyiv 01601, Ukraine.,Enamine Ltd.78 Chervonotkatska str., 02660 Kyiv, Ukraine
| | - Kostiantyn Gavrylenko
- Research-And-Education ChemBioCenter, National Taras Shevchenko University of Kyiv, Chervonotkatska str., 61, 03022 Kyiv, Ukraine.,Enamine Ltd.78 Chervonotkatska str., 02660 Kyiv, Ukraine
| | - Dragos Horvath
- University of Strasbourg, Laboratoire de Chemoinformatique, 4, rue B. Pascal, Strasbourg 67081, France
| | - Olga Klimchuk
- University of Strasbourg, Laboratoire de Chemoinformatique, 4, rue B. Pascal, Strasbourg 67081, France
| | - Oleksandr Oksiuta
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv 02660, Ukraine.,Chemspace, Chervonotkatska Street 78, 02094 Kyiv, Ukraine
| | - Gilles Marcou
- University of Strasbourg, Laboratoire de Chemoinformatique, 4, rue B. Pascal, Strasbourg 67081, France
| | - Alexandre Varnek
- University of Strasbourg, Laboratoire de Chemoinformatique, 4, rue B. Pascal, Strasbourg 67081, France.,Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita 21 Nishi 10, Kita-ku, 001-0021 Sapporo, Japan
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12
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Besson T, Fruit C. Recent Advances in Transition-Metal-Free Late-Stage C-H and N-H Arylation of Heteroarenes Using Diaryliodonium Salts. Pharmaceuticals (Basel) 2021; 14:661. [PMID: 34358087 PMCID: PMC8308686 DOI: 10.3390/ph14070661] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 12/21/2022] Open
Abstract
Transition-metal-free direct arylation of C-H or N-H bonds is one of the key emerging methodologies that is currently attracting tremendous attention. Diaryliodonium salts serve as a stepping stone on the way to alternative environmentally friendly and straightforward pathways for the construction of C-C and C-heteroatom bonds. In this review, we emphasize the recent synthetic advances of late-stage C(sp2)-N and C(sp2)-C(sp2) bond-forming reactions under metal-free conditions using diaryliodonium salts as arylating reagent and its applications to the synthesis of new arylated bioactive heterocyclic compounds.
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Affiliation(s)
| | - Corinne Fruit
- Normandie University, UNIROUEN, INSA Rouen, CNRS, COBRA UMR 6014, F-76000 Rouen, France;
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13
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Britton R, Gouverneur V, Lin JH, Meanwell M, Ni C, Pupo G, Xiao JC, Hu J. Contemporary synthetic strategies in organofluorine chemistry. ACTA ACUST UNITED AC 2021. [DOI: 10.1038/s43586-021-00042-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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14
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Johnson DJG, Jenkins ID, Huxley C, Coster MJ, Lum KY, White JM, Avery VM, Davis RA. Synthesis of New Triazolopyrazine Antimalarial Compounds. Molecules 2021; 26:molecules26092421. [PMID: 33919319 PMCID: PMC8122397 DOI: 10.3390/molecules26092421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/15/2021] [Accepted: 04/15/2021] [Indexed: 11/29/2022] Open
Abstract
A radical approach to late-stage functionalization using photoredox and Diversinate™ chemistry on the Open Source Malaria (OSM) triazolopyrazine scaffold (Series 4) resulted in the synthesis of 12 new analogues, which were characterized by NMR, UV, and MS data analysis. The structures of four triazolopyrazines were confirmed by X-ray crystal structure analysis. Several minor and unexpected side products were generated during these studies, including two resulting from a possible disproportionation reaction. All compounds were tested for their ability to inhibit the growth of the malaria parasite Plasmodium falciparum (3D7 and Dd2 strains) and for cytotoxicity against a human embryonic kidney (HEK293) cell line. Moderate antimalarial activity was observed for some of the compounds, with IC50 values ranging from 0.3 to >20 µM; none of the compounds displayed any toxicity against HEK293 at 80 µM.
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Affiliation(s)
- Daniel J. G. Johnson
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
| | - Ian D. Jenkins
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
| | - Cohan Huxley
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
| | - Mark J. Coster
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
| | - Kah Yean Lum
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
- NatureBank, Griffith University, Brisbane, QLD 4111, Australia
| | - Jonathan M. White
- School of Chemistry and Bio21 Institute, The University of Melbourne, Melbourne, VIC 3010, Australia;
| | - Vicky M. Avery
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
- Discovery Biology, Griffith University, Brisbane, QLD 4111, Australia
| | - Rohan A. Davis
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD 4111, Australia; (D.J.G.J.); (I.D.J.); (C.H.); (M.J.C.); (K.Y.L.); (V.M.A.)
- NatureBank, Griffith University, Brisbane, QLD 4111, Australia
- Correspondence: ; Tel.: +61-7-3735-6043
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15
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Tielker N, Eberlein L, Hessler G, Schmidt KF, Güssregen S, Kast SM. Quantum-mechanical property prediction of solvated drug molecules: what have we learned from a decade of SAMPL blind prediction challenges? J Comput Aided Mol Des 2021; 35:453-472. [PMID: 33079358 PMCID: PMC8018924 DOI: 10.1007/s10822-020-00347-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/26/2020] [Indexed: 01/26/2023]
Abstract
Joint academic-industrial projects supporting drug discovery are frequently pursued to deploy and benchmark cutting-edge methodical developments from academia in a real-world industrial environment at different scales. The dimensionality of tasks ranges from small molecule physicochemical property assessment over protein-ligand interaction up to statistical analyses of biological data. This way, method development and usability both benefit from insights gained at both ends, when predictiveness and readiness of novel approaches are confirmed, but the pharmaceutical drug makers get early access to novel tools for the quality of drug products and benefit of patients. Quantum-mechanical and simulation methods particularly fall into this group of methods, as they require skills and expense in their development but also significant resources in their application, thus are comparatively slowly dripping into the realm of industrial use. Nevertheless, these physics-based methods are becoming more and more useful. Starting with a general overview of these and in particular quantum-mechanical methods for drug discovery we review a decade-long and ongoing collaboration between Sanofi and the Kast group focused on the application of the embedded cluster reference interaction site model (EC-RISM), a solvation model for quantum chemistry, to study small molecule chemistry in the context of joint participation in several SAMPL (Statistical Assessment of Modeling of Proteins and Ligands) blind prediction challenges. Starting with early application to tautomer equilibria in water (SAMPL2) the methodology was further developed to allow for challenge contributions related to predictions of distribution coefficients (SAMPL5) and acidity constants (SAMPL6) over the years. Particular emphasis is put on a frequently overlooked aspect of measuring the quality of models, namely the retrospective analysis of earlier datasets and predictions in light of more recent and advanced developments. We therefore demonstrate the performance of the current methodical state of the art as developed and optimized for the SAMPL6 pKa and octanol-water log P challenges when re-applied to the earlier SAMPL5 cyclohexane-water log D and SAMPL2 tautomer equilibria datasets. Systematic improvement is not consistently found throughout despite the similarity of the problem class, i.e. protonation reactions and phase distribution. Hence, it is possible to learn about hidden bias in model assessment, as results derived from more elaborate methods do not necessarily improve quantitative agreement. This indicates the role of chance or coincidence for model development on the one hand which allows for the identification of systematic error and opportunities toward improvement and reveals possible sources of experimental uncertainty on the other. These insights are particularly useful for further academia-industry collaborations, as both partners are then enabled to optimize both the computational and experimental settings for data generation.
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Affiliation(s)
- Nicolas Tielker
- Physikalische Chemie III, Technische Universität Dortmund, Otto-Hahn-Str. 4a, 44227, Dortmund, Germany
| | - Lukas Eberlein
- Physikalische Chemie III, Technische Universität Dortmund, Otto-Hahn-Str. 4a, 44227, Dortmund, Germany
| | - Gerhard Hessler
- R&D Integrated Drug Discovery, Sanofi-Aventis Deutschland GmbH, 65926, Frankfurt am Main, Germany
| | - K Friedemann Schmidt
- R&D Preclinical Safety, Sanofi-Aventis Deutschland GmbH, 65926, Frankfurt am Main, Germany
| | - Stefan Güssregen
- R&D Integrated Drug Discovery, Sanofi-Aventis Deutschland GmbH, 65926, Frankfurt am Main, Germany.
| | - Stefan M Kast
- Physikalische Chemie III, Technische Universität Dortmund, Otto-Hahn-Str. 4a, 44227, Dortmund, Germany.
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16
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Graßl S, Knochel P. Preparation of Tertiary Amines from Tris(2-cyanoethyl)amine Using Three Successive Cobalt-Catalyzed Electrophilic Aminations with Organozinc Halides. Org Lett 2020; 22:1947-1950. [PMID: 32048507 DOI: 10.1021/acs.orglett.0c00297] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report a stepwise preparation of triple alkylated or arylated tertiary amines, starting from commercially available tris(2-cyanoethyl)amine using three successive reaction sequences involving a selective oxidation (formation of an N-oxide followed by a Cope elimination) leading to an intermediate hydroxylamine, a benzoylation, and a cobalt-catalyzed electrophilic amination with organozinc halides.
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Affiliation(s)
- Simon Graßl
- Department für Chemie und Pharmazie, Ludwig-Maximilians Universität Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Paul Knochel
- Department für Chemie und Pharmazie, Ludwig-Maximilians Universität Munich, Butenandtstraße 5-13, 81377 Munich, Germany
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17
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Kee C, Tack O, Guibbal F, Wilson TC, Isenegger PG, Imiołek M, Verhoog S, Tilby M, Boscutti G, Ashworth S, Chupin J, Kashani R, Poh AWJ, Sosabowski JK, Macholl S, Plisson C, Cornelissen B, Willis MC, Passchier J, Davis BG, Gouverneur V. 18F-Trifluoromethanesulfinate Enables Direct C-H 18F-Trifluoromethylation of Native Aromatic Residues in Peptides. J Am Chem Soc 2020; 142:1180-1185. [PMID: 31913613 PMCID: PMC6978814 DOI: 10.1021/jacs.9b11709] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Indexed: 12/27/2022]
Abstract
18F labeling strategies for unmodified peptides with [18F]fluoride require 18F-labeled prosthetics for bioconjugation more often with cysteine thiols or lysine amines. Here we explore selective radical chemistry to target aromatic residues applying C-H 18F-trifluoromethylation. We report a one-step route to [18F]CF3SO2NH4 from [18F]fluoride and its application to direct [18F]CF3 incorporation at tryptophan or tyrosine residues using unmodified peptides as complex as recombinant human insulin. The fully automated radiosynthesis of octreotide[Trp(2-CF218F)] enables in vivo positron emission tomography imaging.
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Affiliation(s)
- Choon
Wee Kee
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Osman Tack
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Florian Guibbal
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
- Radiobiology
Research Institute, Department of Oncology, University of Oxford, Headington, Oxford OX3 7LJ, U.K.
| | - Thomas C. Wilson
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Patrick G. Isenegger
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Mateusz Imiołek
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Stefan Verhoog
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Michael Tilby
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | | | | | - Juliette Chupin
- Invicro
Ltd, Du Cane Road, London W12 0NN, U.K.
- Centre
for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, U.K.
| | - Roxana Kashani
- Centre
for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, U.K.
| | - Adeline W. J. Poh
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Jane K. Sosabowski
- Centre
for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, U.K.
| | - Sven Macholl
- Invicro
Ltd, Du Cane Road, London W12 0NN, U.K.
- Centre
for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London EC1M 6BQ, U.K.
| | | | - Bart Cornelissen
- Radiobiology
Research Institute, Department of Oncology, University of Oxford, Headington, Oxford OX3 7LJ, U.K.
| | - Michael C. Willis
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | | | - Benjamin G. Davis
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Véronique Gouverneur
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
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18
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Noisier AFM, Johansson MJ, Knerr L, Hayes MA, Drury WJ, Valeur E, Malins LR, Gopalakrishnan R. Late‐Stage Functionalization of Histidine in Unprotected Peptides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910888] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Anaïs F. M. Noisier
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - Magnus J. Johansson
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - Laurent Knerr
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - Martin A. Hayes
- Discovery Sciences, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - William J. Drury
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - Eric Valeur
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
| | - Lara R. Malins
- Research School of Chemistry Australian National University Acton ACT 2601 Australia
| | - Ranganath Gopalakrishnan
- Medicinal Chemistry Research and Early Development Cardiovascular Renal and Metabolism, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
- Medicinal Chemistry, Research and Early Development Respiratory Inflammation and Autoimmune, BioPharmaceutical R&D AstraZeneca Gothenburg Sweden
- AstraZeneca MPI Satellite Unit Max Planck Institute of Molecular Physiology Dortmund Germany
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19
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Noisier AFM, Johansson MJ, Knerr L, Hayes MA, Drury WJ, Valeur E, Malins LR, Gopalakrishnan R. Late‐Stage Functionalization of Histidine in Unprotected Peptides. Angew Chem Int Ed Engl 2019; 58:19096-19102. [DOI: 10.1002/anie.201910888] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Anaïs F. M. Noisier
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - Magnus J. Johansson
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - Laurent Knerr
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - Martin A. Hayes
- Discovery Sciences, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - William J. Drury
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - Eric Valeur
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
| | - Lara R. Malins
- Research School of ChemistryAustralian National University Acton ACT 2601 Australia
| | - Ranganath Gopalakrishnan
- Medicinal ChemistryResearch and Early Development CardiovascularRenal and Metabolism, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
- Medicinal Chemistry, Research and Early Development RespiratoryInflammation and Autoimmune, BioPharmaceutical R&DAstraZeneca Gothenburg Sweden
- AstraZeneca MPI Satellite UnitMax Planck Institute of Molecular Physiology Dortmund Germany
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20
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Egbewande FA, Coster MJ, Jenkins ID, Davis RA. Reaction of Papaverine with Baran Diversinates TM. Molecules 2019; 24:molecules24213938. [PMID: 31683610 PMCID: PMC6864744 DOI: 10.3390/molecules24213938] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/24/2019] [Accepted: 10/28/2019] [Indexed: 12/01/2022] Open
Abstract
The reaction of papaverine with a series of Baran DiversinatesTM is reported. Although the yields were low, it was possible to synthesize a small biodiscovery library using this plant alkaloid as a scaffold for late-stage C–H functionalization. Ten papaverine analogues (2–11), including seven new compounds, were synthesized. An unexpected radical-induced exchange reaction is reported where the dimethoxybenzyl group of papaverine was replaced by an alkyl group. This side reaction enabled the synthesis of additional novel fragments based on the isoquinoline scaffold, which is present in numerous natural products. Possible reasons for the poor yields in the DiversinateTM reactions with this particular scaffold are discussed.
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Affiliation(s)
- Folake A Egbewande
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Mark J Coster
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Ian D Jenkins
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
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21
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Moir M, Danon JJ, Reekie TA, Kassiou M. An overview of late-stage functionalization in today’s drug discovery. Expert Opin Drug Discov 2019; 14:1137-1149. [DOI: 10.1080/17460441.2019.1653850] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Michael Moir
- School of Chemistry, The University of Sydney, Sydney, Australia
| | | | - Tristan A. Reekie
- Research School of Chemistry, The Australian National University, Canberra, Australia
| | - Michael Kassiou
- School of Chemistry, The University of Sydney, Sydney, Australia
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22
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Bardasov IN, Alekseeva AU, Ershov OV. Hydrolysis of 6-Aryl-2-amino-4-(dicyanomethylidene)-3-azabicyclo[3.1.0]hex-2-ene-1,5-dicarbonitriles. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2019. [DOI: 10.1134/s1070428019080025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Campos KR, Coleman PJ, Alvarez JC, Dreher SD, Garbaccio RM, Terrett NK, Tillyer RD, Truppo MD, Parmee ER. The importance of synthetic chemistry in the pharmaceutical industry. Science 2019; 363:363/6424/eaat0805. [PMID: 30655413 DOI: 10.1126/science.aat0805] [Citation(s) in RCA: 231] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Innovations in synthetic chemistry have enabled the discovery of many breakthrough therapies that have improved human health over the past century. In the face of increasing challenges in the pharmaceutical sector, continued innovation in chemistry is required to drive the discovery of the next wave of medicines. Novel synthetic methods not only unlock access to previously unattainable chemical matter, but also inspire new concepts as to how we design and build chemical matter. We identify some of the most important recent advances in synthetic chemistry as well as opportunities at the interface with partner disciplines that are poised to transform the practice of drug discovery and development.
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Affiliation(s)
- Kevin R Campos
- Global Chemistry, Merck & Co. Inc., Kenilworth, NJ 07033, USA.
| | - Paul J Coleman
- Global Chemistry, Merck & Co. Inc., Kenilworth, NJ 07033, USA.
| | - Juan C Alvarez
- Global Chemistry, Merck & Co. Inc., Kenilworth, NJ 07033, USA
| | | | | | | | | | | | - Emma R Parmee
- Global Chemistry, Merck & Co. Inc., Kenilworth, NJ 07033, USA
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24
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Lade DM, Aher YN, Pawar AB. Cp*Ir(III)-Catalyzed C–H/O–H Functionalization of Salicylaldehydes for the Synthesis of Chromones at Room Temperature. J Org Chem 2019; 84:9188-9195. [DOI: 10.1021/acs.joc.9b01139] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dhanaji M. Lade
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Yogesh N. Aher
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Amit B. Pawar
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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25
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Wu G, Zhao T, Kang D, Zhang J, Song Y, Namasivayam V, Kongsted J, Pannecouque C, De Clercq E, Poongavanam V, Liu X, Zhan P. Overview of Recent Strategic Advances in Medicinal Chemistry. J Med Chem 2019; 62:9375-9414. [PMID: 31050421 DOI: 10.1021/acs.jmedchem.9b00359] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introducing novel strategies, concepts, and technologies that speed up drug discovery and the drug development cycle is of great importance both in the highly competitive pharmaceutical industry as well as in academia. This Perspective aims to present a "big-picture" overview of recent strategic innovations in medicinal chemistry and drug discovery.
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Affiliation(s)
- Gaochan Wu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , 44 West Culture Road , 250012 Ji'nan , Shandong , P. R. China
| | - Tong Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , 44 West Culture Road , 250012 Ji'nan , Shandong , P. R. China
| | - Dongwei Kang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , 44 West Culture Road , 250012 Ji'nan , Shandong , P. R. China
| | - Jian Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , 44 West Culture Road , 250012 Ji'nan , Shandong , P. R. China
| | - Yuning Song
- Department of Clinical Pharmacy , Qilu Hospital of Shandong University , 250012 Ji'nan , China
| | - Vigneshwaran Namasivayam
- Pharmaceutical Institute, Pharmaceutical Chemistry II , University of Bonn , 53121 Bonn , Germany
| | - Jacob Kongsted
- Department of Physics, Chemistry, and Pharmacy , University of Southern Denmark , DK-5230 Odense M , Denmark
| | - 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
| | - 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
| | - Vasanthanathan Poongavanam
- Department of Physics, Chemistry, and Pharmacy , University of Southern Denmark , DK-5230 Odense M , Denmark
| | - 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 Ji'nan , Shandong , P. R. 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 Ji'nan , Shandong , P. R. China
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26
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Naresh G, Lakkaniga NR, Kharbanda A, Yan W, Frett B, Li H. Use of Imidazo[1,2‐
a
]pyridine as a Carbonyl Surrogate in a Mannich‐Like, Catalyst Free, One‐Pot Reaction. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801430] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Gunaganti Naresh
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
| | - Naga Rajiv Lakkaniga
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
| | - Anupreet Kharbanda
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
| | - Wei Yan
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
| | - Brendan Frett
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
| | - Hong‐yu Li
- Department of Pharmaceutical Sciences College of Pharmacy University of Arkansas for Medical Sciences 4301 W Markham St. 72205 Little Rock Arkansas USA
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27
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Graßl S, Chen YH, Hamze C, Tüllmann CP, Knochel P. Late Stage Functionalization of Secondary Amines via a Cobalt-Catalyzed Electrophilic Amination of Organozinc Reagents. Org Lett 2018; 21:494-497. [PMID: 30588813 DOI: 10.1021/acs.orglett.8b03787] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A general preparation of polyfunctional hydroxylamine benzoates from the corresponding secondary amines is reported. This convenient synthesis allows the setup of a late-stage functionalization of various secondary amines, including pharmaceuticals and peptidic derivatives. Thus, a cross-coupling of hydroxylamine benzoates with various alkyl-, aryl-, and heteroaryl-zinc chlorides in the presence of 5 mol % CoCl2 (25 °C, 2 h) provides a range of polyfunctional tertiary amines. This method was used to prepare penfluridol and gepirone.
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Affiliation(s)
- Simon Graßl
- Department Chemie , Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, Haus F , 81377 München , Germany
| | - Yi-Hung Chen
- Department Chemie , Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, Haus F , 81377 München , Germany
| | - Clémence Hamze
- Department Chemie , Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, Haus F , 81377 München , Germany
| | - Carl Phillip Tüllmann
- Department Chemie , Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, Haus F , 81377 München , Germany
| | - Paul Knochel
- Department Chemie , Ludwig-Maximilians-Universität München , Butenandtstrasse 5-13, Haus F , 81377 München , Germany
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28
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Smith JM, Dixon JA, deGruyter JN, Baran PS. Alkyl Sulfinates: Radical Precursors Enabling Drug Discovery. J Med Chem 2018; 62:2256-2264. [DOI: 10.1021/acs.jmedchem.8b01303] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Joel M. Smith
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 93037, United States
| | - Janice A. Dixon
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 93037, United States
| | - Justine N. deGruyter
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 93037, United States
| | - Phil S. Baran
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 93037, United States
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