LIVIVO - The Search Portal for Life Sciences

zur deutschen Oberfläche wechseln
Advanced search

Your last searches

  1. AU="Wrigley, Gail L"
  2. AU="Jiang, Huiming"

Search results

Result 1 - 10 of total 14

Search options

  1. Article ; Online: Modular, automated synthesis of spirocyclic tetrahydronaphthyridines from primary alkylamines.

    Cao, Qiao / Tibbetts, Joshua D / Wrigley, Gail L / Smalley, Adam P / Cresswell, Alexander J

    Communications chemistry

    2023  Volume 6, Issue 1, Page(s) 215

    Abstract: Spirocyclic tetrahydronaphthyridines (THNs) are valuable scaffolds for drug discovery campaigns, but access to this 3D chemical space is hampered by a lack of modular and scalable synthetic methods. We hereby report an automated, continuous flow ... ...

    Abstract Spirocyclic tetrahydronaphthyridines (THNs) are valuable scaffolds for drug discovery campaigns, but access to this 3D chemical space is hampered by a lack of modular and scalable synthetic methods. We hereby report an automated, continuous flow synthesis of α-alkylated and spirocyclic 1,2,3,4-tetrahydro-1,8-naphthyridines ("1,8-THNs"), in addition to their regioisomeric 1,6-THN analogues, from abundant primary amine feedstocks. An annulative disconnection approach based on photoredox-catalysed hydroaminoalkylation (HAA) of halogenated vinylpyridines is sequenced in combination with intramolecular S
    Language English
    Publishing date 2023-10-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 2929562-2
    ISSN 2399-3669 ; 2399-3669
    ISSN (online) 2399-3669
    ISSN 2399-3669
    DOI 10.1038/s42004-023-01012-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  2. Article: Photocatalytic Hydroaminoalkylation of Styrenes with Unprotected Primary Alkylamines

    Askey, Hannah E. / Grayson, James D. / Tibbetts, Joshua D. / Turner-Dore, Jacob C. / Holmes, Jake M. / Kociok-Kohn, Gabriele / Wrigley, Gail L. / Cresswell, Alexander J.

    Journal of the American Chemical Society. 2021 Sept. 20, v. 143, no. 39

    2021  

    Abstract: Catalytic, intermolecular hydroaminoalkylation (HAA) of styrenes provides a powerful disconnection for pharmacologically relevant γ-arylamines, but current methods cannot utilize unprotected primary alkylamines as feedstocks. Metal-catalyzed HAA ... ...

    Abstract Catalytic, intermolecular hydroaminoalkylation (HAA) of styrenes provides a powerful disconnection for pharmacologically relevant γ-arylamines, but current methods cannot utilize unprotected primary alkylamines as feedstocks. Metal-catalyzed HAA protocols are also highly sensitive to α-substitution on the amine partner, and no catalytic solutions exist for α-tertiary γ-arylamine synthesis via this approach. We report a solution to these problems using organophotoredox catalysis, enabling a direct, modular, and sustainable preparation of α-(di)substituted γ-arylamines, including challenging electron-neutral and moderately electron-rich aryl groups. A broad range of functionalities are tolerated, and the reactions can be run on multigram scale in continuous flow. The method is applied to a concise, protecting-group-free synthesis of the blockbuster drug Fingolimod, as well as a phosphonate mimic of its in vivo active form (by iterative α-C–H functionalization of ethanolamine). The reaction can also be sequenced with an intramolecular N-arylation to provide a general and modular access to valuable (spirocyclic) 1,2,3,4-tetrahydroquinolines and 1,2,3,4-tetrahydronaphthyridines. Mechanistic and kinetic studies support an irreversible hydrogen atom transfer activation of the alkylamine by the azidyl radical and some contribution from a radical chain. The reaction is photon-limited and exhibits a zero-order dependence on amine, azide, and photocatalyst, with a first-order dependence on styrene.
    Keywords azides ; drugs ; ethanolamine ; feedstocks ; hydrogen ; phosphonates ; photocatalysis ; photocatalysts ; styrene
    Language English
    Dates of publication 2021-0920
    Size p. 15936-15945.
    Publishing place American Chemical Society
    Document type Article
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c07401
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  3. Article ; Online: Photocatalytic Hydroaminoalkylation of Styrenes with Unprotected Primary Alkylamines.

    Askey, Hannah E / Grayson, James D / Tibbetts, Joshua D / Turner-Dore, Jacob C / Holmes, Jake M / Kociok-Kohn, Gabriele / Wrigley, Gail L / Cresswell, Alexander J

    Journal of the American Chemical Society

    2021  Volume 143, Issue 39, Page(s) 15936–15945

    Abstract: Catalytic, intermolecular hydroaminoalkylation (HAA) of styrenes provides a powerful disconnection for pharmacologically relevant γ-arylamines, but current methods cannot utilize unprotected primary alkylamines as feedstocks. Metal-catalyzed HAA ... ...

    Abstract Catalytic, intermolecular hydroaminoalkylation (HAA) of styrenes provides a powerful disconnection for pharmacologically relevant γ-arylamines, but current methods cannot utilize unprotected primary alkylamines as feedstocks. Metal-catalyzed HAA protocols are also highly sensitive to α-substitution on the amine partner, and no catalytic solutions exist for α-tertiary γ-arylamine synthesis via this approach. We report a solution to these problems using organophotoredox catalysis, enabling a direct, modular, and sustainable preparation of α-(di)substituted γ-arylamines, including challenging electron-neutral and moderately electron-rich aryl groups. A broad range of functionalities are tolerated, and the reactions can be run on multigram scale in continuous flow. The method is applied to a concise, protecting-group-free synthesis of the blockbuster drug Fingolimod, as well as a phosphonate mimic of its
    Language English
    Publishing date 2021-09-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c07401
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  4. Article: Discovery of a Novel Benzodiazepine Series of Cbl-b Inhibitors for the Enhancement of Antitumor Immunity.

    Boerth, Jeffrey A / Chinn, Alex J / Schimpl, Marianne / Bommakanti, Gayathri / Chan, Christina / Code, Erin L / Giblin, Kathryn A / Gohlke, Andrea / Hansel, Catherine S / Jin, Meizhong / Kavanagh, Stefan L / Lamb, Michelle L / Lane, Jordan S / Larner, Carrie J B / Mfuh, Adelphe M / Moore, Rachel K / Puri, Taranee / Quinn, Taylor R / Ye, Minwei /
    Robbins, Kevin J / Gancedo-Rodrigo, Miguel / Tang, Haoran / Walsh, Jarrod / Ware, Jamie / Wrigley, Gail L / Reddy, Iswarya Karapa / Zhang, Yun / Grimster, Neil P

    ACS medicinal chemistry letters

    2023  Volume 14, Issue 12, Page(s) 1848–1856

    Abstract: Casitas B-lineage lymphoma proto-oncogene-b (Cbl-b) is a RING finger E3 ligase that is responsible for repressing T-cell, natural killer (NK) cell, and B-cell activation. The robust antitumor activity observed in Cbl-b deficient mice arising from ... ...

    Abstract Casitas B-lineage lymphoma proto-oncogene-b (Cbl-b) is a RING finger E3 ligase that is responsible for repressing T-cell, natural killer (NK) cell, and B-cell activation. The robust antitumor activity observed in Cbl-b deficient mice arising from elevated T-cell and NK-cell activity justified our discovery effort toward Cbl-b inhibitors that might show therapeutic promise in immuno-oncology, where activation of the immune system can drive the recognition and killing of cancer cells. We undertook a high-throughput screening campaign followed by structure-enabled optimization to develop a novel benzodiazepine series of potent Cbl-b inhibitors. This series displayed nanomolar levels of biochemical potency, as well as potent T-cell activation. The functional activity of this class of Cbl-b inhibitors was further corroborated with ubiquitin-based cellular assays.
    Language English
    Publishing date 2023-11-17
    Publishing country United States
    Document type Journal Article
    ISSN 1948-5875
    ISSN 1948-5875
    DOI 10.1021/acsmedchemlett.3c00439
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  5. Article ; Online: Discovery, Optimization, and Biological Evaluation of Arylpyridones as Cbl-b Inhibitors.

    Mfuh, Adelphe M / Boerth, Jeffrey A / Bommakanti, Gayathri / Chan, Christina / Chinn, Alex J / Code, Erin / Fricke, Patrick J / Giblin, Kathryn A / Gohlke, Andrea / Hansel, Catherine / Hariparsad, Niresh / Hughes, Samantha J / Jin, Meizhong / Kantae, Vasudev / Kavanagh, Stefan L / Lamb, Michelle L / Lane, Jordan / Moore, Rachel / Puri, Taranee /
    Quinn, Taylor R / Reddy, Iswarya / Robb, Graeme R / Robbins, Kevin J / Gancedo Rodrigo, Miguel / Schimpl, Marianne / Singh, Baljinder / Singh, Meha / Tang, Haoran / Thomson, Clare / Walsh, Jarrod J / Ware, Jamie / Watson, Iain D G / Ye, Min-Wei / Wrigley, Gail L / Zhang, Andrew X / Zhang, Yun / Grimster, Neil P

    Journal of medicinal chemistry

    2024  Volume 67, Issue 2, Page(s) 1500–1512

    Abstract: Casitas B-lymphoma proto-oncogene-b (Cbl-b), a member of the Cbl family of RING finger E3 ubiquitin ligases, has been demonstrated to play a central role in regulating effector T-cell function. Multiple studies using gene-targeting approaches have ... ...

    Abstract Casitas B-lymphoma proto-oncogene-b (Cbl-b), a member of the Cbl family of RING finger E3 ubiquitin ligases, has been demonstrated to play a central role in regulating effector T-cell function. Multiple studies using gene-targeting approaches have provided direct evidence that Cbl-b negatively regulates T, B, and NK cell activation via a ubiquitin-mediated protein modulation. Thus, inhibition of Cbl-b ligase activity can lead to immune activation and has therapeutic potential in immuno-oncology. Herein, we describe the discovery and optimization of an arylpyridone series as Cbl-b inhibitors by structure-based drug discovery to afford compound
    MeSH term(s) Proto-Oncogene Proteins c-cbl/metabolism ; Ubiquitin-Protein Ligases/metabolism ; T-Lymphocytes/metabolism ; Phosphorylation ; Ubiquitin/metabolism
    Chemical Substances Proto-Oncogene Proteins c-cbl (EC 2.3.2.27) ; Ubiquitin-Protein Ligases (EC 2.3.2.27) ; Ubiquitin
    Language English
    Publishing date 2024-01-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 218133-2
    ISSN 1520-4804 ; 0022-2623
    ISSN (online) 1520-4804
    ISSN 0022-2623
    DOI 10.1021/acs.jmedchem.3c02083
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  6. Article ; Online: The Discovery of 7-Methyl-2-[(7-methyl[1,2,4]triazolo[1,5-

    Goldberg, Frederick W / Finlay, M Raymond V / Ting, Attilla K T / Beattie, David / Lamont, Gillian M / Fallan, Charlene / Wrigley, Gail L / Schimpl, Marianne / Howard, Martin R / Williamson, Beth / Vazquez-Chantada, Mercedes / Barratt, Derek G / Davies, Barry R / Cadogan, Elaine B / Ramos-Montoya, Antonio / Dean, Emma

    Journal of medicinal chemistry

    2020  Volume 63, Issue 7, Page(s) 3461–3471

    Abstract: DNA-PK is a key component within the DNA damage response, as it is responsible for recognizing and repairing double-strand DNA breaks (DSBs) via non-homologous end joining. Historically it has been challenging to identify inhibitors of the DNA-PK ... ...

    Abstract DNA-PK is a key component within the DNA damage response, as it is responsible for recognizing and repairing double-strand DNA breaks (DSBs) via non-homologous end joining. Historically it has been challenging to identify inhibitors of the DNA-PK catalytic subunit (DNA-PKcs) with good selectivity versus the structurally related PI3 (lipid) and PI3K-related protein kinases. We screened our corporate collection for DNA-PKcs inhibitors with good PI3 kinase selectivity, identifying compound
    MeSH term(s) Animals ; Antineoplastic Agents/chemical synthesis ; Antineoplastic Agents/pharmacokinetics ; Antineoplastic Agents/therapeutic use ; Cell Line, Tumor ; Class Ib Phosphatidylinositol 3-Kinase/metabolism ; DNA-Activated Protein Kinase/antagonists & inhibitors ; Dogs ; Drug Discovery ; Humans ; Mice ; Molecular Structure ; Neoplasms/drug therapy ; Protein Kinase Inhibitors/chemical synthesis ; Protein Kinase Inhibitors/pharmacokinetics ; Protein Kinase Inhibitors/therapeutic use ; Purines/chemical synthesis ; Purines/pharmacokinetics ; Purines/therapeutic use ; Pyrans/chemical synthesis ; Pyrans/pharmacokinetics ; Pyrans/therapeutic use ; Rats ; Receptors, Granulocyte-Macrophage Colony-Stimulating Factor/antagonists & inhibitors ; Structure-Activity Relationship ; Triazoles/chemical synthesis ; Triazoles/pharmacokinetics ; Triazoles/therapeutic use ; Xenograft Model Antitumor Assays
    Chemical Substances AZD7648 ; Antineoplastic Agents ; Protein Kinase Inhibitors ; Purines ; Pyrans ; Receptors, Granulocyte-Macrophage Colony-Stimulating Factor ; Triazoles ; Class Ib Phosphatidylinositol 3-Kinase (EC 2.7.1.137) ; DNA-Activated Protein Kinase (EC 2.7.11.1)
    Language English
    Publishing date 2020-01-15
    Publishing country United States
    Document type News
    ZDB-ID 218133-2
    ISSN 1520-4804 ; 0022-2623
    ISSN (online) 1520-4804
    ISSN 0022-2623
    DOI 10.1021/acs.jmedchem.9b01684
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  7. Article ; Online: Design and Synthesis of 56 Shape-Diverse 3D Fragments.

    Downes, Thomas D / Jones, S Paul / Klein, Hanna F / Wheldon, Mary C / Atobe, Masakazu / Bond, Paul S / Firth, James D / Chan, Ngai S / Waddelove, Laura / Hubbard, Roderick E / Blakemore, David C / De Fusco, Claudia / Roughley, Stephen D / Vidler, Lewis R / Whatton, Maria Ann / Woolford, Alison J-A / Wrigley, Gail L / O'Brien, Peter

    Chemistry (Weinheim an der Bergstrasse, Germany)

    2020  Volume 26, Issue 41, Page(s) 8969–8975

    Abstract: Fragment-based drug discovery is now widely adopted for lead generation in the pharmaceutical industry. However, fragment screening collections are often predominantly populated with flat, 2D molecules. Herein, we describe a workflow for the design and ... ...

    Abstract Fragment-based drug discovery is now widely adopted for lead generation in the pharmaceutical industry. However, fragment screening collections are often predominantly populated with flat, 2D molecules. Herein, we describe a workflow for the design and synthesis of 56 3D disubstituted pyrrolidine and piperidine fragments that occupy under-represented areas of fragment space (as demonstrated by a principal moments of inertia (PMI) analysis). A key, and unique, underpinning design feature of this fragment collection is that assessment of fragment shape and conformational diversity (by considering conformations up to 1.5 kcal mol
    Language English
    Publishing date 2020-07-08
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1478547-X
    ISSN 1521-3765 ; 0947-6539
    ISSN (online) 1521-3765
    ISSN 0947-6539
    DOI 10.1002/chem.202001123
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  8. Article ; Online: Improving metabolic stability and removing aldehyde oxidase liability in a 5-azaquinazoline series of IRAK4 inhibitors.

    Degorce, Sébastien L / Aagaard, Anna / Anjum, Rana / Cumming, Iain A / Diène, Coura R / Fallan, Charlene / Johnson, Tony / Leuchowius, Karl-Johan / Orton, Alexandra L / Pearson, Stuart / Robb, Graeme R / Rosen, Alan / Scarfe, Graeme B / Scott, James S / Smith, James M / Steward, Oliver R / Terstiege, Ina / Tucker, Michael J / Turner, Paul /
    Wilkinson, Stephen D / Wrigley, Gail L / Xue, Yafeng

    Bioorganic & medicinal chemistry

    2020  Volume 28, Issue 23, Page(s) 115815

    Abstract: In this article, we report our efforts towards improving in vitro human clearance in a series of 5-azaquinazolines through a series of C4 truncations and C2 expansions. Extensive DMPK studies enabled us to tackle high Aldehyde Oxidase (AO) metabolism and ...

    Abstract In this article, we report our efforts towards improving in vitro human clearance in a series of 5-azaquinazolines through a series of C4 truncations and C2 expansions. Extensive DMPK studies enabled us to tackle high Aldehyde Oxidase (AO) metabolism and unexpected discrepancies in human hepatocyte and liver microsomal intrinsic clearance. Our efforts culminated with the discovery of 5-azaquinazoline 35, which also displayed exquisite selectivity for IRAK4, and showed synergistic in vitro activity against MyD88/CD79 double mutant ABC-DLBCL in combination with the covalent BTK inhibitor acalabrutinib.
    MeSH term(s) Aldehyde Oxidase/metabolism ; Animals ; Binding Sites ; Cell Line, Tumor ; Cell Survival/drug effects ; Crystallography, X-Ray ; Dogs ; Drug Stability ; Half-Life ; Hepatocytes/metabolism ; Humans ; Interleukin-1 Receptor-Associated Kinases/antagonists & inhibitors ; Interleukin-1 Receptor-Associated Kinases/metabolism ; Mice ; Microsomes, Liver/metabolism ; Molecular Dynamics Simulation ; Protein Kinase Inhibitors/chemistry ; Protein Kinase Inhibitors/metabolism ; Protein Kinase Inhibitors/pharmacology ; Quinazolines/chemistry ; Quinazolines/metabolism ; Quinazolines/pharmacology ; Rats ; Structure-Activity Relationship
    Chemical Substances Protein Kinase Inhibitors ; Quinazolines ; Aldehyde Oxidase (EC 1.2.3.1) ; IRAK4 protein, human (EC 2.7.11.1) ; Interleukin-1 Receptor-Associated Kinases (EC 2.7.11.1)
    Language English
    Publishing date 2020-10-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 1161284-8
    ISSN 1464-3391 ; 0968-0896
    ISSN (online) 1464-3391
    ISSN 0968-0896
    DOI 10.1016/j.bmc.2020.115815
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  9. Article ; Online: Correction to "Discovery of a Thiadiazole-Pyridazine-Based Allosteric Glutaminase 1 Inhibitor Series That Demonstrates Oral Bioavailability and Activity in Tumor Xenograft Models".

    Finlay, M Raymond V / Anderton, Mark / Bailey, Andrew / Boyd, Scott / Brookfield, Joanna / Cairnduff, Ceri / Charles, Mark / Cheasty, Anne / Critchlow, Susan E / Culshaw, Janet / Debreczeni, Judit / Ekwuru, Tennyson / Hollingsworth, Ian / Jones, Neil / Leroux, Fred / Littleson, Mairi / McCarron, Hollie / McKelvie, Jennifer / Mooney, Lorraine /
    Nissink, J Willem M / Patel, Joe / Perkins, David / Powell, Steve / Quesada, Mar Jimenez / Raubo, Piotr / Sabin, Verity / Smith, James / Smith, Peter D / Stark, Andrew / Ting, Attilla / Wang, Peng / Wilson, Zena / Winter-Holt, Jon J / Wood, J Matthew / Wrigley, Gail L / Yu, Guoqing / Zhang, Peng

    Journal of medicinal chemistry

    2023  Volume 66, Issue 13, Page(s) 9223–9224

    Language English
    Publishing date 2023-06-21
    Publishing country United States
    Document type Published Erratum
    ZDB-ID 218133-2
    ISSN 1520-4804 ; 0022-2623
    ISSN (online) 1520-4804
    ISSN 0022-2623
    DOI 10.1021/acs.jmedchem.3c00198
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  10. Article: A novel approach to functionalised 5,7,8,9-tetrahydropyrimido[4,5-b][1,4]diazepin-6-ones using intramolecular palladium-catalysed amidation

    Carr, Gregory R / Feron, James L / Johnson, Paul D / Roberts, Craig A / Rudge, David A / Simpson, Iain / Wrigley, Gail L

    Tetrahedron letters. 2012 Sept. 19, v. 53, no. 38

    2012  

    Abstract: The development of a novel palladium-catalysed amidation approach towards 5,7,8,9-tetrahydropyrimido[4,5-b][1,4]diazepin-6-one templates is highlighted. The route proceeds through the reaction of an amino amide, generated by 1,4-addition of an amine to ... ...

    Abstract The development of a novel palladium-catalysed amidation approach towards 5,7,8,9-tetrahydropyrimido[4,5-b][1,4]diazepin-6-one templates is highlighted. The route proceeds through the reaction of an amino amide, generated by 1,4-addition of an amine to an acrylamide, with 5-bromo-2,4-dichloropyrimidine and final palladium-catalysed cyclisation to provide the functionalised scaffold in up to 60% isolated yield over three steps. The route offers efficiency advantages over the previously reported nitro-reduction cyclisation approach to these molecules. It also provides alternative means to introduce bulky alkyl substituents at the amide nitrogen. The application of this route in the synthesis of a variety of analogues is described.
    Keywords acrylamides ; chemical reactions ; chemical structure ; nitrogen
    Language English
    Dates of publication 2012-0919
    Size p. 5049-5055.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 204287-3
    ISSN 1873-3581 ; 0040-4039
    ISSN (online) 1873-3581
    ISSN 0040-4039
    DOI 10.1016/j.tetlet.2012.03.125
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

To top