These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Journal Abstract Search

475 related items for PubMed ID: 22075727

  • 1. Highly diastereoselective and enantioselective Michael addition of 5H-oxazol-4-ones to α,β-unsaturated ketones catalyzed by a new bifunctional organocatalyst with broad substrate scope and applicability.
    Huang H, Zhu K, Wu W, Jin Z, Ye J.
    Chem Commun (Camb); 2012 Jan 11; 48(3):461-3. PubMed ID: 22075727
    [Abstract] [Full Text] [Related]

  • 2. 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]

  • 3. Simple cyclohexanediamine-derived primary amine thiourea catalyzed highly enantioselective conjugate addition of nitroalkanes to enones.
    Mei K, Jin M, Zhang S, Li P, Liu W, Chen X, Xue F, Duan W, Wang W.
    Org Lett; 2009 Jul 02; 11(13):2864-7. PubMed ID: 19485350
    [Abstract] [Full Text] [Related]

  • 4. Highly enantioselective Michael addition of aromatic ketones to nitroolefins promoted by chiral bifunctional primary amine-thiourea catalysts based on saccharides.
    Liu K, Cui HF, Nie J, Dong KY, Li XJ, Ma JA.
    Org Lett; 2007 Mar 01; 9(5):923-5. PubMed ID: 17288432
    [Abstract] [Full Text] [Related]

  • 5. Asymmetric Michael addition of α-substituted isocyanoacetates with maleimides catalyzed by chiral tertiary amine thiourea.
    Bai JF, Wang LL, Peng L, Guo YL, Jia LN, Tian F, He GY, Xu XY, Wang LX.
    J Org Chem; 2012 Mar 16; 77(6):2947-53. PubMed ID: 22369654
    [Abstract] [Full Text] [Related]

  • 6. Organocatalytic direct asymmetric vinylogous Michael reaction of an α,β-unsaturated γ-butyrolactam with enones.
    Zhang Y, Shao YL, Xu HS, Wang W.
    J Org Chem; 2011 Mar 04; 76(5):1472-4. PubMed ID: 21244007
    [Abstract] [Full Text] [Related]

  • 7. Asymmetric Michael addition reactions of 3-substituted benzofuran-2(3H)-ones to nitroolefins catalyzed by a bifunctional tertiary-amine thiourea.
    Li X, Xue XS, Liu C, Wang B, Tan BX, Jin JL, Zhang YY, Dong N, Cheng JP.
    Org Biomol Chem; 2012 Jan 14; 10(2):413-20. PubMed ID: 22089821
    [Abstract] [Full Text] [Related]

  • 8. Direct asymmetric Michael addition of thioether-based aryl sulfanyl-propan-2-one to nitroalkenes catalyzed by a chiral amine-thiourea bifunctional organocatalyst.
    Jiang X, Zhang B, Zhang Y, Lin L, Yan W, Wang R.
    Chirality; 2010 Jul 14; 22(7):625-34. PubMed ID: 20143410
    [Abstract] [Full Text] [Related]

  • 9. Highly enantioselective synthesis of gamma-nitro heteroaromatic ketones in a doubly stereocontrolled manner catalyzed by bifunctional thiourea catalysts based on dehydroabietic amine: a doubly stereocontrolled approach to pyrrolidine carboxylic acids.
    Jiang X, Zhang Y, Chan AS, Wang R.
    Org Lett; 2009 Jan 01; 11(1):153-6. PubMed ID: 19067569
    [Abstract] [Full Text] [Related]

  • 10. Organocatalytic asymmetric Michael addition of 5H-oxazol-4-ones to nitroolefins.
    Qiao B, An Y, Liu Q, Yang W, Liu H, Shen J, Yan L, Jiang Z.
    Org Lett; 2013 May 17; 15(10):2358-61. PubMed ID: 23642091
    [Abstract] [Full Text] [Related]

  • 11. Highly enantioselective Michael addition of malononitrile to alpha,beta-unsaturated ketones.
    Li X, Cun L, Lian C, Zhong L, Chen Y, Liao J, Zhu J, Deng J.
    Org Biomol Chem; 2008 Jan 21; 6(2):349-53. PubMed ID: 18175004
    [Abstract] [Full Text] [Related]

  • 12. Enantioselective conjugate addition of nitro compounds to α,β-unsaturated ketones: an experimental and computational study.
    Manzano R, Andrés JM, Álvarez R, Muruzábal MD, de Lera ÁR, Pedrosa R.
    Chemistry; 2011 May 16; 17(21):5931-8. PubMed ID: 21500295
    [Abstract] [Full Text] [Related]

  • 13. Enantioselective Michael addition of alpha-substituted cyanoacetates to vinyl ketones catalyzed by bifunctional organocatalysts.
    Liu TY, Li R, Chai Q, Long J, Li BJ, Wu Y, Ding LS, Chen YC.
    Chemistry; 2007 May 16; 13(1):319-27. PubMed ID: 17039561
    [Abstract] [Full Text] [Related]

  • 14. Highly enantioselective michael addition of cyclic 1,3-dicarbonyl compounds to alpha,beta-unsaturated ketones.
    Xie JW, Yue L, Chen W, Du W, Zhu J, Deng JG, Chen YC.
    Org Lett; 2007 Feb 01; 9(3):413-5. PubMed ID: 17249775
    [Abstract] [Full Text] [Related]

  • 15. 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]

  • 16. Enantioselective organocatalytic Michael-hemiketalization catalyzed by a trans-bifunctional indane thiourea catalyst.
    Gao Y, Ren Q, Ang SM, Wang J.
    Org Biomol Chem; 2011 May 21; 9(10):3691-7. PubMed ID: 21483944
    [Abstract] [Full Text] [Related]

  • 17. Asymmetric Michael addition of substituted rhodanines to α,β-unsaturated ketones catalyzed by bulky primary amines.
    Yu F, Hu H, Gu X, Ye J.
    Org Lett; 2012 Apr 20; 14(8):2038-41. PubMed ID: 22482371
    [Abstract] [Full Text] [Related]

  • 18. Enantioselective sulfonation of enones with sulfonyl imines by cooperative N-heterocyclic-carbene/thiourea/tertiary-amine multicatalysis.
    Jin Z, Xu J, Yang S, Song BA, Chi YR.
    Angew Chem Int Ed Engl; 2013 Nov 18; 52(47):12354-8. PubMed ID: 24115649
    [Abstract] [Full Text] [Related]

  • 19. Organocatalytic asymmetric oxy-Michael addition to a γ-hydroxy-α,β-unsaturated thioester via hemiacetal intermediates.
    Okamura T, Asano K, Matsubara S.
    Chem Commun (Camb); 2012 May 25; 48(42):5076-8. PubMed ID: 22509493
    [Abstract] [Full Text] [Related]

  • 20. Epi-cinchona based thiourea organocatalyst family as an efficient asymmetric Michael addition promoter: enantioselective conjugate addition of nitroalkanes to chalcones and alpha,beta-unsaturated N-acylpyrroles.
    Vakulya B, Varga S, Soós T.
    J Org Chem; 2008 May 02; 73(9):3475-80. PubMed ID: 18376862
    [Abstract] [Full Text] [Related]

    Page: [Next] [New Search]
    of 24.