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  1. Artikel ; Online: Discovery of Potent and Selective Quinoxaline-Based Protease-Activated Receptor 4 (PAR4) Antagonists for the Prevention of Arterial Thrombosis.

    Zhang, Xiaojun / Jiang, Wen / Richter, Jeremy M / Bates, J Alex / Reznik, Samuel K / Stachura, Sylwia / Rampulla, Richard / Doddalingappa, Dyamanna / Ulaganathan, Sankar / Hua, Ji / Bostwick, Jeffrey S / Sum, Chi / Posy, Shana / Malmstrom, Sarah / Dickey, Joyce / Harden, David / Lawrence, R Michael / Guarino, Victor R / Schumacher, William A /
    Wong, Pancras / Yang, Jing / Gordon, David A / Wexler, Ruth R / Priestley, E Scott

    Journal of medicinal chemistry

    2024  Band 67, Heft 5, Seite(n) 3571–3589

    Abstract: PAR4 is a promising antithrombotic target with potential for separation of efficacy from bleeding risk relative to current antiplatelet therapies. In an effort to discover a novel PAR4 antagonist chemotype, a quinoxaline-based HTS ... ...

    Abstract PAR4 is a promising antithrombotic target with potential for separation of efficacy from bleeding risk relative to current antiplatelet therapies. In an effort to discover a novel PAR4 antagonist chemotype, a quinoxaline-based HTS hit
    Mesh-Begriff(e) Animals ; Fibrinolytic Agents/pharmacology ; Fibrinolytic Agents/therapeutic use ; Macaca fascicularis ; Quinoxalines/pharmacology ; Quinoxalines/therapeutic use ; Receptors, Thrombin ; Thrombin ; Hemorrhage ; Thrombosis/drug therapy ; Thrombosis/prevention & control ; Receptor, PAR-1 ; Blood Platelets ; Platelet Aggregation
    Chemische Substanzen protease-activated receptor 4 (JWE1M73YZN) ; Fibrinolytic Agents ; Quinoxalines ; Receptors, Thrombin ; Thrombin (EC 3.4.21.5) ; Receptor, PAR-1
    Sprache Englisch
    Erscheinungsdatum 2024-02-22
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 218133-2
    ISSN 1520-4804 ; 0022-2623
    ISSN (online) 1520-4804
    ISSN 0022-2623
    DOI 10.1021/acs.jmedchem.3c01986
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Ethyl (2E,4E)-5-(3-bromophenylsulfonyl)penta-2,4-dienoate

    V. Sabari / Ulaganathan Sankar / Ramakrishnan Uma / S. Aravindhan

    Acta Crystallographica Section E, Vol 69, Iss 4, Pp o488-o

    2013  Band 488

    Abstract: In the title compound, C13H13BrO4S, both C=C double bonds adopt an E conformation. The S atom has a distorted tetrahedral geometry with bond angles ranging from 102.17 (13) to 119.77 (14)°. The ethyl acrylate substituent adopts an extented conformation ... ...

    Abstract In the title compound, C13H13BrO4S, both C=C double bonds adopt an E conformation. The S atom has a distorted tetrahedral geometry with bond angles ranging from 102.17 (13) to 119.77 (14)°. The ethyl acrylate substituent adopts an extented conformation with all torsion angles close to 180°. In the crystal, molecules are linked into centrosymmetric R22(14) dimers via pairs of C—H.O hydrogen bonds.
    Schlagwörter Chemistry ; QD1-999
    Sprache Englisch
    Erscheinungsdatum 2013-04-01T00:00:00Z
    Verlag International Union of Crystallography
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  3. Artikel ; Online: Ethyl (E)-3-[1′-ethyl-2-oxo-4′-(phenylsulfonyl)-2H-spiro[acenaphthylene-1,2′-pyrrolidine]-3′-yl]acrylate

    S. Sundaramoorthy / R. Uma / Ulaganathan Sankar / D. Velmurugan

    Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1401-o

    2012  Band 1401

    Abstract: In the title compound, C28H27NO5S, the five-membered pyrrolidine ring, which exhibits an envelope conformation (the C atom at the spiral junction being the flap atom), makes dihedral angles of 57.37 (10) and 86.84 (8)°, respectively, with the phenyl ring ...

    Abstract In the title compound, C28H27NO5S, the five-membered pyrrolidine ring, which exhibits an envelope conformation (the C atom at the spiral junction being the flap atom), makes dihedral angles of 57.37 (10) and 86.84 (8)°, respectively, with the phenyl ring and the acenaphthylene ring system. In the crystal, molecules associate via two C—H.O hydrogen bonds, forming R22(20) and R22(10) graph-set motifs.
    Schlagwörter Chemistry ; QD1-999
    Sprache Englisch
    Erscheinungsdatum 2012-05-01T00:00:00Z
    Verlag International Union of Crystallography
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  4. Artikel ; Online: Cesium carbonate mediated exclusive dialkylation of active methylene compounds

    Ulaganathan Sankar / Chandran Raju / Ramakrishnan Uma

    Current Chemistry Letters, Vol 1, Iss 3, Pp 123-

    2012  Band 132

    Abstract: Active methylene compounds are regioselectively dialkylated by variety of alkyl halides using cesium carbonate in quantitative yield. The reaction yielded exclusively dialkylated products with no intermediate monoalkyaltion or mixture of products. ...

    Abstract Active methylene compounds are regioselectively dialkylated by variety of alkyl halides using cesium carbonate in quantitative yield. The reaction yielded exclusively dialkylated products with no intermediate monoalkyaltion or mixture of products.
    Schlagwörter Balanced base ; Aprotic solvent ; Active methylene compounds ; Reactive halides ; Complete conversion ; Chemistry ; QD1-999
    Sprache Englisch
    Erscheinungsdatum 2012-07-01T00:00:00Z
    Verlag Growing Science
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  5. Artikel ; Online: (2E,4E)-Ethyl 5-(phenylsulfonyl)penta-2,4-dienoate

    Ulaganathan Sankar / V. Sabari / G. Suresh / Ramakrishnan Uma / S. Aravindhan

    Acta Crystallographica Section E, Vol 68, Iss 4, Pp o1093-o

    2012  Band 1093

    Abstract: In the title compound, C13H14O4S, both C=C double bonds adopt an E conformation. In the crystal, molecules are linked into centrosymmetric R22(14) dimers via pairs of C—H.O hydrogen bonds. ...

    Abstract In the title compound, C13H14O4S, both C=C double bonds adopt an E conformation. In the crystal, molecules are linked into centrosymmetric R22(14) dimers via pairs of C—H.O hydrogen bonds.
    Schlagwörter Chemistry ; QD1-999
    Sprache Englisch
    Erscheinungsdatum 2012-04-01T00:00:00Z
    Verlag International Union of Crystallography
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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