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488 related items for PubMed ID: 16136619

  • 1. Urea- and thiourea-substituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance.
    McCooey SH, Connon SJ.
    Angew Chem Int Ed Engl; 2005 Oct 07; 44(39):6367-70. PubMed ID: 16136619
    [No Abstract] [Full Text] [Related]

  • 2. Organocatalytic highly enantioselective Michael addition of 2-hydroxy-1,4-naphthoquinones to nitroalkenes.
    Zhou WM, Liu H, Du DM.
    Org Lett; 2008 Jul 03; 10(13):2817-20. PubMed ID: 18533672
    [Abstract] [Full Text] [Related]

  • 3. Highly enantioselective conjugate addition of malonate and beta-ketoester to nitroalkenes: asymmetric C-C bond formation with new bifunctional organic catalysts based on cinchona alkaloids.
    Li H, Wang Y, Tang L, Deng L.
    J Am Chem Soc; 2004 Aug 18; 126(32):9906-7. PubMed ID: 15303849
    [Abstract] [Full Text] [Related]

  • 4. Enantioselective and regioselective organocatalytic conjugate addition of malonates to nitroenynes.
    Li XJ, Peng FZ, Li X, Wu WT, Sun ZW, Li YM, Zhang SX, Shao ZH.
    Chem Asian J; 2011 Jan 03; 6(1):220-5. PubMed ID: 21077095
    [Abstract] [Full Text] [Related]

  • 5. Asymmetric 1,4-addition of oxazolones to nitroalkenes by bifunctional cinchona alkaloid thiourea organocatalysts: synthesis of alpha,alpha-disubstituted alpha-amino acids.
    Alemán J, Milelli A, Cabrera S, Reyes E, Jørgensen KA.
    Chemistry; 2008 Jan 03; 14(35):10958-66. PubMed ID: 18979472
    [Abstract] [Full Text] [Related]

  • 6. A chiral primary amine thiourea catalyst for the highly enantioselective direct conjugate addition of alpha,alpha-disubstituted aldehydes to nitroalkenes.
    Lalonde MP, Chen Y, Jacobsen EN.
    Angew Chem Int Ed Engl; 2006 Sep 25; 45(38):6366-70. PubMed ID: 16937417
    [No Abstract] [Full Text] [Related]

  • 7. Enantioselective organocatalytic direct Michael addition of nitroalkanes to nitroalkenes promoted by a unique bifunctional DMAP-thiourea.
    Rabalakos C, Wulff WD.
    J Am Chem Soc; 2008 Oct 15; 130(41):13524-5. PubMed ID: 18808117
    [Abstract] [Full Text] [Related]

  • 8. Enantio- and diastereoselective asymmetric addition of 1,3-dicarbonyl compounds to nitroalkenes in a doubly stereocontrolled manner catalyzed by bifunctional rosin-derived amine thiourea catalysts.
    Jiang X, Zhang Y, Liu X, Zhang G, Lai L, Wu L, Zhang J, Wang R.
    J Org Chem; 2009 Aug 07; 74(15):5562-7. PubMed ID: 19552379
    [Abstract] [Full Text] [Related]

  • 9. Organocatalytic sequential Michael reactions: stereoselective synthesis of multifunctionalized tetrahydroindan derivatives.
    He P, Liu X, Shi J, Lin L, Feng X.
    Org Lett; 2011 Mar 04; 13(5):936-9. PubMed ID: 21309523
    [Abstract] [Full Text] [Related]

  • 10. Highly enantioselective conjugate addition of nitromethane to chalcones using bifunctional cinchona organocatalysts.
    Vakulya B, Varga S, Csámpai A, Soós T.
    Org Lett; 2005 May 12; 7(10):1967-9. PubMed ID: 15876031
    [Abstract] [Full Text] [Related]

  • 11. Highly enantioselective direct conjugate addition of ketones to nitroalkenes promoted by a chiral primary amine-thiourea catalyst.
    Huang H, Jacobsen EN.
    J Am Chem Soc; 2006 Jun 07; 128(22):7170-1. PubMed ID: 16734464
    [Abstract] [Full Text] [Related]

  • 12. Novel thiourea-amine bifunctional catalysts for asymmetric conjugate addition of ketones/aldehydes to nitroalkenes: rational structural combination for high catalytic efficiency.
    Chen JR, Cao YJ, Zou YQ, Tan F, Fu L, Zhu XY, Xiao WJ.
    Org Biomol Chem; 2010 Mar 21; 8(6):1275-9. PubMed ID: 20204193
    [Abstract] [Full Text] [Related]

  • 13. Chiral amine-thioureas bearing multiple hydrogen bonding donors: highly efficient organocatalysts for asymmetric Michael addition of acetylacetone to nitroolefins.
    Wang CJ, Zhang ZH, Dong XQ, Wu XJ.
    Chem Commun (Camb); 2008 Mar 28; (12):1431-3. PubMed ID: 18338046
    [Abstract] [Full Text] [Related]

  • 14. Enantioselective catalytic intramolecular cyclopropanation using modified cinchona alkaloid organocatalysts.
    Johansson CC, Bremeyer N, Ley SV, Owen DR, Smith SC, Gaunt MJ.
    Angew Chem Int Ed Engl; 2006 Sep 11; 45(36):6024-8. PubMed ID: 16888822
    [No Abstract] [Full Text] [Related]

  • 15. Asymmetric organocatalytic formal aza-Michael addition of ammonia to nitroalkenes.
    Lykke L, Monge D, Nielsen M, Jørgensen KA.
    Chemistry; 2010 Dec 03; 16(45):13330-4. PubMed ID: 21038334
    [No Abstract] [Full Text] [Related]

  • 16. Highly enantioselective synthesis of nitrocyclopropanes via organocatalytic conjugate addition of bromomalonate to alpha,beta-unsaturated nitroalkenes.
    Xuan YN, Nie SZ, Dong LT, Zhang JM, Yan M.
    Org Lett; 2009 Apr 02; 11(7):1583-6. PubMed ID: 19260703
    [Abstract] [Full Text] [Related]

  • 17. Enantioselective organocatalytic michael addition of malonates to alpha,beta-unsaturated ketones.
    Li P, Wen S, Yu F, Liu Q, Li W, Wang Y, Liang X, Ye J.
    Org Lett; 2009 Feb 05; 11(3):753-6. PubMed ID: 19115980
    [Abstract] [Full Text] [Related]

  • 18. Organocatalytic asymmetric direct vinylogous Michael addition of α,β-unsaturated γ-butyrolactam to nitroolefins.
    Choudhury AR, Mukherjee S.
    Org Biomol Chem; 2012 Sep 28; 10(36):7313-20. PubMed ID: 22858804
    [Abstract] [Full Text] [Related]

  • 19. A new class of urea-substituted cinchona alkaloids promote highly enantioselective nitroaldol reactions of trifluoromethylketones.
    Palacio C, Connon SJ.
    Org Lett; 2011 Mar 18; 13(6):1298-301. PubMed ID: 21338077
    [Abstract] [Full Text] [Related]

  • 20. Asymmetric direct vinylogous Michael reaction of activated alkenes to nitroolefins catalyzed by modified cinchona alkaloids.
    Xue D, Chen YC, Wang QW, Cun LF, Zhu J, Deng JG.
    Org Lett; 2005 Nov 10; 7(23):5293-6. PubMed ID: 16268561
    [Abstract] [Full Text] [Related]

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