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.


BIOMARKERS

Molecular Biopsy of Human Tumors

- a resource for Precision Medicine *

160 related articles for article (PubMed ID: 20803751)

  • 1. A novel chiral aliphatic-aromatic diamine promoted direct, highly enantio- and diastereoselective Michael addition of cyclohexanone to nitroolefins under solvent-free conditions.
    Miao S; Bai J; Yang J; Zhang Y
    Chirality; 2010 Oct; 22(9):855-62. PubMed ID: 20803751
    [TBL] [Abstract][Full Text] [Related]  

  • 2. Enantioselective and diastereoselective Michael addition of ketone/aldehyde to trans-nitroolefins catalyzed by a novel chiral pyrrolidine-thiourea.
    Shen Z; Zhang Y; Jiao C; Li B; Ding J; Zhang Y
    Chirality; 2007 May; 19(4):307-12. PubMed ID: 17345560
    [TBL] [Abstract][Full Text] [Related]  

  • 3. A recyclable organocatalyst for asymmetric Michael addition of acetone to nitroolefins.
    Lu A; Liu T; Wu R; Wang Y; Wu G; Zhou Z; Fang J; Tang C
    J Org Chem; 2011 May; 76(10):3872-9. PubMed ID: 21466168
    [TBL] [Abstract][Full Text] [Related]  

  • 4. Organocatalyzed highly stereoselective Michael addition of ketones to alkylidene malonates and nitroolefins using chiral primary-secondary diamine catalysts based on bispidine.
    Liu J; Yang Z; Liu X; Wang Z; Liu Y; Bai S; Lin L; Feng X
    Org Biomol Chem; 2009 Oct; 7(19):4120-7. PubMed ID: 19763320
    [TBL] [Abstract][Full Text] [Related]  

  • 5. A new class of chiral pyrrolidine-pyridine conjugate base catalysts for use in asymmetric Michael addition reactions.
    Ishii T; Fujioka S; Sekiguchi Y; Kotsuki H
    J Am Chem Soc; 2004 Aug; 126(31):9558-9. PubMed ID: 15291557
    [TBL] [Abstract][Full Text] [Related]  

  • 6. Enantio- and diastereoselective Michael reaction of 1,3-dicarbonyl compounds to nitroolefins catalyzed by a bifunctional thiourea.
    Okino T; Hoashi Y; Furukawa T; Xu X; Takemoto Y
    J Am Chem Soc; 2005 Jan; 127(1):119-25. PubMed ID: 15631461
    [TBL] [Abstract][Full Text] [Related]  

  • 7. L-prolinol as a highly enantioselective catalyst for Michael addition of cyclohexanone to nitroolefins.
    Chua PJ; Tan B; Zeng X; Zhong G
    Bioorg Med Chem Lett; 2009 Jul; 19(14):3915-8. PubMed ID: 19359171
    [TBL] [Abstract][Full Text] [Related]  

  • 8. Asymmetric Michael addition of ketones to nitroolefins: pyrrolidinyl-oxazole-carboxamides as new efficient organocatalysts.
    Kamal A; Sathish M; Srinivasulu V; Chetna J; Chandra Shekar K; Nekkanti S; Tangella Y; Shankaraiah N
    Org Biomol Chem; 2014 Oct; 12(40):8008-18. PubMed ID: 25181422
    [TBL] [Abstract][Full Text] [Related]  

  • 9. Efficient direct asymmetric vinylogous Michael addition reactions of gamma-butenolides to chalcones catalyzed by vicinal primary-diamine salts.
    Wang J; Qi C; Ge Z; Cheng T; Li R
    Chem Commun (Camb); 2010 Mar; 46(12):2124-6. PubMed ID: 20221513
    [TBL] [Abstract][Full Text] [Related]  

  • 10. Diastereoselective synthesis of beta-substituted-alpha,gamma-diaminobutyric acids and pyrrolidines containing multichiral centers.
    Huang Y; Li Q; Liu TL; Xu PF
    J Org Chem; 2009 Feb; 74(3):1252-8. PubMed ID: 19113904
    [TBL] [Abstract][Full Text] [Related]  

  • 11. A green chemistry approach to a more efficient asymmetric catalyst: solvent-free and highly concentrated alkyl additions to ketones.
    Jeon SJ; Li H; Walsh PJ
    J Am Chem Soc; 2005 Nov; 127(47):16416-25. PubMed ID: 16305227
    [TBL] [Abstract][Full Text] [Related]  

  • 12. Pyrrolidinyl-sulfamide derivatives as a new class of bifunctional organocatalysts for direct asymmetric Michael addition of cyclohexanone to nitroalkenes.
    Chen JR; Fu L; Zou YQ; Chang NJ; Rong J; Xiao WJ
    Org Biomol Chem; 2011 Jul; 9(14):5280-7. PubMed ID: 21647476
    [TBL] [Abstract][Full Text] [Related]  

  • 13. Chiral (thio)phosphorodiamides as excellent hydrogen bond donor catalysts in the asymmetric Michael addition of 2-hydroxy-1,4-naphthoquione to nitroolefins.
    Wu R; Chang X; Lu A; Wang Y; Wu G; Song H; Zhou Z; Tang C
    Chem Commun (Camb); 2011 May; 47(17):5034-6. PubMed ID: 21431222
    [TBL] [Abstract][Full Text] [Related]  

  • 14. A chiral thioureido acid as an effective additive for enantioselective organocatalytic Michael additions of nitroolefins.
    Xu DQ; Yue HD; Luo SP; Xia AB; Zhang S; Xu ZY
    Org Biomol Chem; 2008 Jun; 6(12):2054-7. PubMed ID: 18528564
    [TBL] [Abstract][Full Text] [Related]  

  • 15. Enantio- and diastereoselective Michael addition reactions of unmodified aldehydes and ketones with nitroolefins catalyzed by a pyrrolidine sulfonamide.
    Wang J; Li H; Lou B; Zu L; Guo H; Wang W
    Chemistry; 2006 May; 12(16):4321-32. PubMed ID: 16575937
    [TBL] [Abstract][Full Text] [Related]  

  • 16. 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; 9(5):923-5. PubMed ID: 17288432
    [TBL] [Abstract][Full Text] [Related]  

  • 17. Highly enantioselective water-compatible organocatalyst for Michael reaction of ketones to nitroolefins.
    Vishnumaya ; Singh VK
    Org Lett; 2007 Mar; 9(6):1117-9. PubMed ID: 17316013
    [TBL] [Abstract][Full Text] [Related]  

  • 18. Cinchona Squaramide-Based Chiral Polymers as Highly Efficient Catalysts in Asymmetric Michael Addition Reaction.
    Ullah MS; Itsuno S
    ACS Omega; 2018 Apr; 3(4):4573-4582. PubMed ID: 31458680
    [TBL] [Abstract][Full Text] [Related]  

  • 19. Highly enantio- and diastereoselective Brassard type hetero-Diels-Alder approach to 5-methyl-containing alpha,beta-unsaturated delta-lactones.
    Lin L; Fan Q; Qin B; Feng X
    J Org Chem; 2006 May; 71(11):4141-6. PubMed ID: 16709053
    [TBL] [Abstract][Full Text] [Related]  

  • 20. The highly enantioselective Michael addition of ketones to nitrodienes catalyzed by the efficient organocatalyst system of pyrrolidinyl-thioimidazole and chiral thioureido acid.
    Li ZB; Luo SP; Guo Y; Xia AB; Xu DQ
    Org Biomol Chem; 2010 Jun; 8(11):2505-8. PubMed ID: 20414483
    [TBL] [Abstract][Full Text] [Related]  

    [Next]    [New Search]
    of 8.