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Journal Abstract Search

541 related items for PubMed ID: 15113194

  • 1. Cinchona alkaloid-lewis acid catalyst systems for enantioselective ketene-aldehyde cycloadditions.
    Zhu C, Shen X, Nelson SG.
    J Am Chem Soc; 2004 May 05; 126(17):5352-3. PubMed ID: 15113194
    [Abstract] [Full Text] [Related]

  • 2. Catalytic, asymmetric preparation of ketene dimers from acid chlorides.
    Calter MA, Orr RK, Song W.
    Org Lett; 2003 Nov 27; 5(24):4745-8. PubMed ID: 14627430
    [Abstract] [Full Text] [Related]

  • 3. Asymmetric synthesis of highly substituted beta-lactones by nucleophile-catalyzed [2+2] cycloadditions of disubstituted ketenes with aldehydes.
    Wilson JE, Fu GC.
    Angew Chem Int Ed Engl; 2004 Nov 26; 43(46):6358-60. PubMed ID: 15558690
    [No Abstract] [Full Text] [Related]

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  • 5. Enantioselective beta-lactone formation from ketene and aldehydes catalyzed by a chiral oxazaborolidine.
    Gnanadesikan V, Corey EJ.
    Org Lett; 2006 Oct 12; 8(21):4943-5. PubMed ID: 17020342
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  • 7. Catalytic, asymmetric, "interrupted" Feist-Bénary reactions.
    Calter MA, Phillips RM, Flaschenriem C.
    J Am Chem Soc; 2005 Oct 26; 127(42):14566-7. PubMed ID: 16231897
    [Abstract] [Full Text] [Related]

  • 8. Catalytic, enantioselective [4 + 2]-cycloadditions of ketene enolates and o-quinones: efficient entry to chiral, alpha-oxygenated carboxylic acid derivatives.
    Bekele T, Shah MH, Wolfer J, Abraham CJ, Weatherwax A, Lectka T.
    J Am Chem Soc; 2006 Feb 15; 128(6):1810-1. PubMed ID: 16464078
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  • 10. Enantioselective Diels-Alder reaction of simple alpha,beta-unsaturated ketones with a cinchona alkaloid catalyst.
    Singh RP, Bartelson K, Wang Y, Su H, Lu X, Deng L.
    J Am Chem Soc; 2008 Feb 27; 130(8):2422-3. PubMed ID: 18251543
    [No Abstract] [Full Text] [Related]

  • 11. Formation of disubstituted beta-lactones using bifunctional catalysis.
    Calter MA, Tretyak OA, Flaschenriem C.
    Org Lett; 2005 Apr 28; 7(9):1809-12. PubMed ID: 15844912
    [Abstract] [Full Text] [Related]

  • 12. Catalytic asymmetric acyl halide-aldehyde cyclocondensation reactions of substituted ketenes.
    Nelson SG, Zhu C, Shen X.
    J Am Chem Soc; 2004 Jan 14; 126(1):14-5. PubMed ID: 14709036
    [Abstract] [Full Text] [Related]

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  • 14. 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]

  • 15. Silicon-based Lewis acid assisted cinchona alkaloid catalysis: highly enantioselective aza-Michael reaction under solvent-free conditions.
    Yang HM, Li L, Li F, Jiang KZ, Shang JY, Lai GQ, Xu LW.
    Org Lett; 2011 Dec 16; 13(24):6508-11. PubMed ID: 22087568
    [Abstract] [Full Text] [Related]

  • 16. Primary amine/CSA ion pair: a powerful catalytic system for the asymmetric enamine catalysis.
    Liu C, Zhu Q, Huang KW, Lu Y.
    Org Lett; 2011 May 20; 13(10):2638-41. PubMed ID: 21510614
    [Abstract] [Full Text] [Related]

  • 17. Amine-catalyzed coupling of aldehydes and ketenes derived from Fischer carbene complexes: formation of beta-lactones and enol ethers.
    Merlic CA, Doroh BC.
    J Org Chem; 2003 Jul 25; 68(15):6056-9. PubMed ID: 12868950
    [Abstract] [Full Text] [Related]

  • 18. Cinchona alkaloid-catalyzed asymmetric trifluoromethylation of alkynyl ketones with trimethylsilyl trifluoromethane.
    Kawai H, Tachi K, Tokunaga E, Shiro M, Shibata N.
    Org Lett; 2010 Nov 19; 12(22):5104-7. PubMed ID: 20954725
    [Abstract] [Full Text] [Related]

  • 19. Phosphine-catalyzed asymmetric synthesis of β-lactones from disubstituted ketenes and aldehydes.
    Chen S, Mondal M, Ibrahim AA, Wheeler KA, Kerrigan NJ.
    J Org Chem; 2014 Jun 06; 79(11):4920-9. PubMed ID: 24810117
    [Abstract] [Full Text] [Related]

  • 20. Catalytic enantioselective sulfinyl transfer using cinchona alkaloid catalysts.
    Peltier HM, Evans JW, Ellman JA.
    Org Lett; 2005 Apr 28; 7(9):1733-6. PubMed ID: 15844893
    [Abstract] [Full Text] [Related]

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