1
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Yao R, Jensen AA, Bryce-Rogers HP, Schultz-Knudsen K, Zhou L, Hovendal NP, Pedersen H, Kubus M, Ulven T, Laraia L. Identification of 5-HT2 Serotonin Receptor Modulators through the Synthesis of a Diverse, Tropane- and Quinuclidine-alkaloid-Inspired Compound Library. J Med Chem 2023; 66:11536-11554. [PMID: 37566000 DOI: 10.1021/acs.jmedchem.3c01059] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
The recombination of natural product (NP) fragments in unprecedented ways has emerged as an important strategy for bioactive compound discovery. In this context, we propose that privileged primary fragments predicted to be enriched in activity against a specific target class can be coupled to diverse secondary fragments to engineer selectivity among closely related targets. Here, we report the synthesis of an alkaloid-inspired compound library enriched in spirocyclic ring fusions, comprising 58 compounds from 12 tropane- or quinuclidine-containing scaffolds, all of which can be considered pseudo-NPs. The library displays excellent predicted drug-like properties including high Fsp3 content and Lipinski's rule-of-five compliance. Targeted screening against selected members of the serotonin and dopamine G protein-coupled receptor family led to the identification of several hits that displayed significant agonist or antagonist activity against 5-HT2A and/or 5-HT2C, and subsequent optimization of one of these delivered a lead dual 5-HT2B/C antagonist with a highly promising selectivity profile.
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Affiliation(s)
- Ruwei Yao
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs Lyngby, Denmark
| | - Anders A Jensen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Hogan P Bryce-Rogers
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs Lyngby, Denmark
| | - Katrine Schultz-Knudsen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Libin Zhou
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Nicklas P Hovendal
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs Lyngby, Denmark
| | - Henrik Pedersen
- Medicinal Chemistry, H. Lundbeck A/S, Ottiliavej 9, 2500 Valby, Denmark
| | - Mariusz Kubus
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs Lyngby, Denmark
| | - Trond Ulven
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Luca Laraia
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs Lyngby, Denmark
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2
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Arcadi A, Morlacci V, Palombi L. Synthesis of Nitrogen-Containing Heterocyclic Scaffolds through Sequential Reactions of Aminoalkynes with Carbonyls. Molecules 2023; 28:4725. [PMID: 37375280 DOI: 10.3390/molecules28124725] [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: 05/10/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Sequential reactions of aminoalkynes represent a powerful tool to easily assembly biologically important polyfunctionalized nitrogen heterocyclic scaffolds. Metal catalysis often plays a key role in terms of selectivity, efficiency, atom economy, and green chemistry of these sequential approaches. This review examines the existing literature on the applications of reactions of aminoalkynes with carbonyls, which are emerging for their synthetic potential. Aspects concerning the features of the starting reagents, the catalytic systems, alternative reaction conditions, pathways and possible intermediates are provided.
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Affiliation(s)
- Antonio Arcadi
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, Via Vetoio, 67100 Coppito, L'Aquila, Italy
| | - Valerio Morlacci
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, Via Vetoio, 67100 Coppito, L'Aquila, Italy
| | - Laura Palombi
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, Via Vetoio, 67100 Coppito, L'Aquila, Italy
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3
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Yuan C, Sun S, Wang G, Sun S, Wang J. Access to 8-Azabicyclo[3,2,1]octanes via the [3 + 2] Cycloaddition of Oxidopyridinium Ions to Maleimides. J Org Chem 2023. [PMID: 37267429 DOI: 10.1021/acs.joc.3c00406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Herein, we reported a unique and operationally simple method to assemble 8-azabicyclo[3,2,1]octanes by using oxidopyridinium ions and maleimides as synthons. The features of good to high yields and good functional group tolerance are achieved regularly under mild conditions. Of note, oxidopyridinium ions undergo a [3 + 2] cycloaddition on their C2 and C6 positions.
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Affiliation(s)
- Cheng Yuan
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, China
| | - Sheng Sun
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Gangqiang Wang
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, China
| | - Shaofa Sun
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, China
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jian Wang
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, China
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
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4
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Okolo EA, Pahl A, Sievers S, Pask CM, Nelson A, Marsden SP. Scaffold Remodelling of Diazaspirotricycles Enables Synthesis of Diverse sp 3 -Rich Compounds With Distinct Phenotypic Effects. Chemistry 2023; 29:e202203992. [PMID: 36722618 PMCID: PMC10946999 DOI: 10.1002/chem.202203992] [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: 12/21/2022] [Revised: 01/31/2023] [Accepted: 01/31/2023] [Indexed: 02/02/2023]
Abstract
A 'top down' scaffold remodelling approach to library synthesis was applied to spirotricyclic ureas prepared by a complexity-generating oxidative dearomatisation. Eighteen structurally-distinct, sp3 -rich scaffolds were accessed from the parent tricycle through ring addition, cleavage and expansion strategies. Biological screening of a small compound library based on these scaffolds using the cell-painting assay demonstrated distinctive phenotypic responses engendered by different library members, illustrating the functional as well as structural diversity of the compounds.
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Affiliation(s)
| | - Axel Pahl
- Max-Planck Institute of Molecular PhysiologyDepartment of Chemical BiologyOtto-Hahn-Strasse 11Dortmund44227Germany
| | - Sonja Sievers
- Max-Planck Institute of Molecular PhysiologyDepartment of Chemical BiologyOtto-Hahn-Strasse 11Dortmund44227Germany
| | | | - Adam Nelson
- School of ChemistryUniversity of LeedsLeedsLS2 9JTUK
- Astbury Centre for Structural Molecular BiologyUniversity of LeedsLeedsLS2 9JTUK
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5
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Yamamoto Y, Shizume Y, Tazawa S, Yasui T. Oxidopyridinium Cycloadditions Revisited: A Combined Computational and Experimental Study on the Reactivity of 1-(2-Pyrimidyl)-3-oxidopyridinium Betaine. J Org Chem 2023. [PMID: 36802575 DOI: 10.1021/acs.joc.2c02971] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
To investigate the effect of N-substituents on their reactivity and selectivity of oxidopyridinium betaines, we performed density functional theory (DFT) calculations of model cycloadditions with N-methylmaleimide and acenaphthylene. The theoretically expected results were compared with the experimental results. Subsequently, we demonstrated that 1-(2-pyrimidyl)-3-oxidopyridinium can be used for (5 + 2) cycloadditions with various electron-deficient alkenes, dimethyl acetylenedicarboxylate, acenaphthylene, and styrene. In addition, a DFT analysis of the cycloaddition of 1-(2-pyrimidyl)-3-oxidopyridinium with 6,6-dimethylpentafulvene suggested the possibility of pathway bifurcations involving a (5 + 4)/(5 + 6) ambimodal transition state, although only (5 + 6) cycloadducts were experimentally observed. A related (5 + 4) cycloaddition was observed in the reaction of 1-(2-pyrimidyl)-3-oxidopyridinium with 2,3-dimethylbut-1,3-diene.
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Affiliation(s)
- Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Yudai Shizume
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Syunji Tazawa
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Takeshi Yasui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Chikusa, Nagoya 464-8601, Japan
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Tsujihara T, Sasaki R, Fukkoshi M, Hatakeyama S, Takehara T, Suzuki T, Kawano T. Synthesis of 6,7-benzene-fused tropane derivatives from isoindoline-aminal hybrid compound. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Shivanyuk A, Gerasov A, Boiko R, Dolgonos G, Mandzhulo A, Fetyukhin V, Lukin O. Tropane-Based Dispirocyclic Oxiranes and Spirocyclic Ketones. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0040-1719848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
AbstractThe Prilezhaev epoxidation of N-Boc-protected 3-cyclobutylidenetropane 1a affords a 1:2 mixture of compounds 2a and 2b, in which tropane and cyclobutane fragments are spiro-connected to the oxirane ring in endo- and exo-fashion, respectively. The exo-isomer 2b is obtained in 89% yield and 97% selectivity via the dioxirane oxidation of 1a. BF3-catalyzed isomerization of exo-oxirane 2b results in a 1:1 mixture of the spirocyclic ketones endo 3a and exo 3b containing spiro-connected tropane and cyclopentanone rings, while endo-epoxide 2a gives exclusively endo-ketone 3a. Prilezhaev and dioxirane epoxidations of N-Boc-protected 3-cyclopropylidenetropane 1b affords a mixture of endo- and exo-oxiranes 2c and 2d. Compounds 2c and 2d are not isolated in individual forms since they isomerize into a mixture of spirocyclic ketones endo 3c and exo 3d. Removal of the Boc groups from ketones 3a–d gives the corresponding hydrochlorides of aminoketones 4a–d in quantitative yields. Quantum chemical calculations predict that the rearrangement of endo-epoxides into the corresponding endo-ketones involving BF3-containing intermediates has by 4.4–7.9 kcal/mol lower activation barriers than the respective conversion of the exo-epoxides into exo-ketones. The cyclopropyl-containing dispiroepoxides 2c and 2d are predicted to interconvert faster into the corresponding ketones compared to their less strained cyclobutyl counterparts 2a and 2b.
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Affiliation(s)
| | - Andrii Gerasov
- I.F. Lab Ltd., Representative of Life Chemicals Inc. in Ukraine
| | - Rodion Boiko
- I.F. Lab Ltd., Representative of Life Chemicals Inc. in Ukraine
| | | | - Aleksandr Mandzhulo
- I.F. Lab Ltd., Representative of Life Chemicals Inc. in Ukraine
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine
| | | | - Oleg Lukin
- I.F. Lab Ltd., Representative of Life Chemicals Inc. in Ukraine
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Whitmarsh-Everiss T, Olsen AH, Laraia L. Identification of Inhibitors of Cholesterol Transport Proteins Through the Synthesis of a Diverse, Sterol-Inspired Compound Collection. Angew Chem Int Ed Engl 2021; 60:26755-26761. [PMID: 34626154 DOI: 10.1002/anie.202111639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Indexed: 12/26/2022]
Abstract
Cholesterol transport proteins regulate a vast array of cellular processes including lipid metabolism, vesicular and non-vesicular trafficking, organelle contact sites, and autophagy. Despite their undoubted importance, the identification of selective modulators of this class of proteins has been challenging due to the structural similarities in the cholesterol-binding site. Herein we report a general strategy for the identification of selective inhibitors of cholesterol transport proteins via the synthesis of a diverse sterol-inspired compound collection. Fusion of a primary sterol fragment to an array of secondary privileged scaffolds led to the identification of potent and selective inhibitors of the cholesterol transport protein Aster-C, which displayed a surprising preference for the unnatural-sterol AB-ring stereochemistry and new inhibitors of Aster-A. We propose that this strategy can and should be applied to any therapeutically relevant sterol-binding protein.
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Affiliation(s)
- Thomas Whitmarsh-Everiss
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
| | - Asger Hegelund Olsen
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
| | - Luca Laraia
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
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9
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Whitmarsh‐Everiss T, Olsen AH, Laraia L. Identification of Inhibitors of Cholesterol Transport Proteins Through the Synthesis of a Diverse, Sterol‐Inspired Compound Collection. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111639] [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)
- Thomas Whitmarsh‐Everiss
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
| | - Asger Hegelund Olsen
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
| | - Luca Laraia
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
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10
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Goodwin RJ, Blyth MT, Fung AKK, Smith LM, Norcott PL, Tanovic S, Coote ML, White NG. Simple acyclic molecules containing a single charge-assisted O-H group can recognize anions in acetonitrile : water mixtures. Org Biomol Chem 2021; 19:2794-2803. [PMID: 33720236 DOI: 10.1039/d1ob00282a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Hydroxypyridinium and hydroxyquinolinium compounds containing acidic O-H groups attached to a cationic aromatic scaffold were synthesized, i.e. N-methyl-3-hydroxypyridinium (1+) and N-methyl-8-hydroxyquinolinium (2+). These very simple compounds are capable of binding to chloride very strongly in CD3CN and with moderate strength in 9 : 1 CD3CN : D2O. Comparison with known association constants reveals that 1+ and 2+ bind chloride in CD3CN or CD3CN : D2O with comparable affinities to receptors containing significantly more hydrogen bond donors and/or higher positive charges. Crystal structures of both compounds with coordinating anions were obtained, and feature short O-Hanion hydrogen bonds. A receptor containing two hydroxyquinolinium groups was also prepared. While the low solubility of this compound caused difficulties, we were able to demonstrate chloride binding in a competitive 1 : 1 CD3CN : CD3OD solvent mixture. Addition of sulfate to this compound results in the formation of a crystallographically-characterised solid state anion coordination polymer.
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Affiliation(s)
- Rosemary J Goodwin
- Research School of Chemistry, Australian National University, Canberra, ACT, Australia.
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11
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Wang Y, Xiong G, Zhang C, Chen Y. Controllable Activation of β-Alkyl Nitroalkenes: Regioselective Synthesis of Allyl and Vinyl Sulfones. J Org Chem 2021; 86:4018-4026. [DOI: 10.1021/acs.joc.0c02869] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Ye Wang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P. R. China
| | - Guowei Xiong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P. R. China
| | - Chuanxin Zhang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P. R. China
| | - Yunfeng Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, P. R. China
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12
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Synthesis of sp3-rich chemical libraries based upon 1,2-diazetidines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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