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

640 related items for PubMed ID: 19040237

  • 1. [4+2] cycloaddition of ketenes with N-benzoyldiazenes catalyzed by N-heterocyclic carbenes.
    Huang XL, He L, Shao PL, Ye S.
    Angew Chem Int Ed Engl; 2009; 48(1):192-5. PubMed ID: 19040237
    [No Abstract] [Full Text] [Related]

  • 2. Enantioselective [4+2] cycloaddition of ketenes and 1-azadienes catalyzed by N-heterocyclic carbenes.
    Jian TY, Shao PL, Ye S.
    Chem Commun (Camb); 2011 Feb 28; 47(8):2381-3. PubMed ID: 21165498
    [Abstract] [Full Text] [Related]

  • 3. Enantioselective synthesis of aza-beta-lactams via NHC-catalyzed [2 + 2] cycloaddition of ketenes with diazenedicarboxylates.
    Huang XL, Chen XY, Ye S.
    J Org Chem; 2009 Oct 02; 74(19):7585-7. PubMed ID: 19722509
    [Abstract] [Full Text] [Related]

  • 4. Organocatalysis by N-heterocyclic carbenes.
    Enders D, Niemeier O, Henseler A.
    Chem Rev; 2007 Dec 02; 107(12):5606-55. PubMed ID: 17956132
    [No Abstract] [Full Text] [Related]

  • 5. Enantioselective formal [2+2] cycloaddition of ketenes with nitroso compounds catalyzed by N-heterocyclic carbenes.
    Wang T, Huang XL, Ye S.
    Org Biomol Chem; 2010 Nov 07; 8(21):5007-11. PubMed ID: 20820659
    [Abstract] [Full Text] [Related]

  • 6. Chiral N-heterocyclic carbene-catalyzed formal [4+2] cycloaddition of ketenes with enones: highly enantioselective synthesis of trans- and cis-delta-lactones.
    Zhang YR, Lv H, Zhou D, Ye S.
    Chemistry; 2008 Nov 07; 14(28):8473-6. PubMed ID: 18688823
    [No Abstract] [Full Text] [Related]

  • 7. N-heterocyclic carbene-catalyzed [4 + 2] cycloaddition of ketenes and 3-aroylcoumarins: highly enantioselective synthesis of dihydrocoumarin-fused dihydropyranones.
    Jian TY, Chen XY, Sun LH, Ye S.
    Org Biomol Chem; 2013 Jan 07; 11(1):158-63. PubMed ID: 23117299
    [Abstract] [Full Text] [Related]

  • 8. N-heterocyclic carbene-catalyzed aza-Michael addition.
    Kang Q, Zhang Y.
    Org Biomol Chem; 2011 Oct 07; 9(19):6715-20. PubMed ID: 21833411
    [Abstract] [Full Text] [Related]

  • 9. N-Heterocyclic carbene catalysis: enantioselective formal [2+2] cycloaddition of ketenes and N-sulfinylanilines.
    Jian TY, He L, Tang C, Ye S.
    Angew Chem Int Ed Engl; 2011 Sep 19; 50(39):9104-7. PubMed ID: 21919141
    [No Abstract] [Full Text] [Related]

  • 10. Enantioselective Diels-Alder reactions of enals and alkylidene diketones catalyzed by N-heterocyclic carbenes.
    Fang X, Chen X, Chi YR.
    Org Lett; 2011 Sep 02; 13(17):4708-11. PubMed ID: 21809839
    [Abstract] [Full Text] [Related]

  • 11. N-heterocyclic carbene-catalyzed tandem aza-benzoin/Michael reactions: on site reversal of the reactivity of N-Boc imines.
    Wu KJ, Li GQ, Li Y, Dai LX, You SL.
    Chem Commun (Camb); 2011 Jan 07; 47(1):493-5. PubMed ID: 20953492
    [Abstract] [Full Text] [Related]

  • 12. Direct and efficient N-heterocyclic carbene-catalyzed hydroxymethylation of aldehydes.
    Kuhl N, Glorius F.
    Chem Commun (Camb); 2011 Jan 07; 47(1):573-5. PubMed ID: 21038072
    [Abstract] [Full Text] [Related]

  • 13. Formal cycloaddition of disubstituted ketenes with 2-oxoaldehydes catalyzed by chiral N-heterocyclic carbenes.
    He L, Lv H, Zhang YR, Ye S.
    J Org Chem; 2008 Oct 17; 73(20):8101-3. PubMed ID: 18816140
    [Abstract] [Full Text] [Related]

  • 14. Enantioselective synthesis of beta-trifluoromethyl-beta-lactones via NHC-catalyzed ketene-ketone cycloaddition reactions.
    Wang XN, Shao PL, Lv H, Ye S.
    Org Lett; 2009 Sep 17; 11(18):4029-31. PubMed ID: 19681591
    [Abstract] [Full Text] [Related]

  • 15. Chiral N-heterocyclic carbene--Pd(0)-catalyzed asymmetric diamination of conjugated dienes and triene.
    Xu L, Shi Y.
    J Org Chem; 2008 Jan 18; 73(2):749-51. PubMed ID: 18095707
    [Abstract] [Full Text] [Related]

  • 16. Enantioselective synthesis of dihydropyridinones via NHC-catalyzed aza-Claisen reaction.
    Wanner B, Mahatthananchai J, Bode JW.
    Org Lett; 2011 Oct 07; 13(19):5378-81. PubMed ID: 21905682
    [Abstract] [Full Text] [Related]

  • 17. N-heterocyclic carbene catalysed asymmetric cross-benzoin reactions of heteroaromatic aldehydes with trifluoromethyl ketones.
    Enders D, Grossmann A, Fronert J, Raabe G.
    Chem Commun (Camb); 2010 Sep 14; 46(34):6282-4. PubMed ID: 20694237
    [Abstract] [Full Text] [Related]

  • 18. Asymmetric esterification of ketenes catalyzed by an N-heterocyclic carbene.
    Wang XN, Lv H, Huang XL, Ye S.
    Org Biomol Chem; 2009 Jan 21; 7(2):346-50. PubMed ID: 19109680
    [Abstract] [Full Text] [Related]

  • 19. Asymmetric intramolecular crossed-benzoin reactions by N-heterocyclic carbene catalysis.
    Enders D, Niemeier O, Balensiefer T.
    Angew Chem Int Ed Engl; 2006 Feb 20; 45(9):1463-7. PubMed ID: 16389609
    [No Abstract] [Full Text] [Related]

  • 20. Highly enantioselective [4 + 2] cyclization of chloroaldehydes and 1-azadienes catalyzed by N-heterocyclic carbenes.
    Jian TY, Sun LH, Ye S.
    Chem Commun (Camb); 2012 Nov 14; 48(88):10907-9. PubMed ID: 23023792
    [Abstract] [Full Text] [Related]

    Page: [Next] [New Search]
    of 32.