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 *

119 related articles for article (PubMed ID: 12240438)

  • 1. Powerful Claisen condensation and Claisen-aldol tandem reaction of alpha,alpha-dialkylated esters promoted by ZrCl4-iPr2NEt.
    Tanabe Y; Hamasaki R; Funakoshi S
    Chem Commun (Camb); 2001 Sep; (17):1674-5. PubMed ID: 12240438
    [TBL] [Abstract][Full Text] [Related]  

  • 2. Powerful Ti-crossed Claisen condensation between ketene silyl acetals or thioacetals and acid chlorides or acids.
    Iida A; Nakazawa S; Okabayashi T; Horii A; Misaki T; Tanabe Y
    Org Lett; 2006 Nov; 8(23):5215-8. PubMed ID: 17078681
    [TBL] [Abstract][Full Text] [Related]  

  • 3. Mild and efficient pentafluorophenylammonium triflate (PFPAT)-catalyzed C-acylations of enol silyl ethers or ketene silyl (Thio)acetals with acid chlorides.
    Iida A; Osada J; Nagase R; Misaki T; Tanabe Y
    Org Lett; 2007 May; 9(10):1859-62. PubMed ID: 17429977
    [TBL] [Abstract][Full Text] [Related]  

  • 4. NaOH-catalyzed crossed Claisen condensation between ketene silyl acetals and methyl esters.
    Iida A; Takai K; Okabayashi T; Misaki T; Tanabe Y
    Chem Commun (Camb); 2005 Jul; (25):3171-3. PubMed ID: 15968361
    [TBL] [Abstract][Full Text] [Related]  

  • 5. Ti-crossed-Claisen condensation between carboxylic esters and acid chlorides or acids: a highly selective and general method for the preparation of various beta-keto esters.
    Misaki T; Nagase R; Matsumoto K; Tanabe Y
    J Am Chem Soc; 2005 Mar; 127(9):2854-5. PubMed ID: 15740112
    [TBL] [Abstract][Full Text] [Related]  

  • 6. A novel pyrrolidine imide catalyzed direct formation of alpha,beta-unsaturated ketones from unmodified ketones and aldehydes.
    Wang W; Mei Y; Li H; Wang J
    Org Lett; 2005 Feb; 7(4):601-4. PubMed ID: 15704904
    [TBL] [Abstract][Full Text] [Related]  

  • 7. Diastereoselective reductive imino-aldol reaction of alpha-imino esters promoted by titanium tetraiodide: synthesis of alpha,beta-diamino esters.
    Shimizu M; Inayoshi K; Sahara T
    Org Biomol Chem; 2005 Jun; 3(12):2237-8. PubMed ID: 16010355
    [TBL] [Abstract][Full Text] [Related]  

  • 8. General, robust, and stereocomplementary preparation of alpha,beta-disubstituted alpha,beta-unsaturated esters.
    Nakatsuji H; Nishikado H; Ueno K; Tanabe Y
    Org Lett; 2009 Oct; 11(19):4258-61. PubMed ID: 19715286
    [TBL] [Abstract][Full Text] [Related]  

  • 9. First sequential Mukaiyama-Michael reaction/crossed-Claisen condensation using two molar ketene silyl acetals and one molar alpha,beta-unsaturated esters promoted by a NaOH catalyst.
    Tamagaki H; Nawate Y; Nagase R; Tanabe Y
    Chem Commun (Camb); 2010 Aug; 46(32):5930-2. PubMed ID: 20596594
    [TBL] [Abstract][Full Text] [Related]  

  • 10. Michael addition of stannyl ketone enolate to alpha,beta-unsaturated esters catalyzed by tetrabutylammonium bromide and an ab initio theoretical study of the reaction course.
    Yasuda M; Chiba K; Ohigashi N; Katoh Y; Baba A
    J Am Chem Soc; 2003 Jun; 125(24):7291-300. PubMed ID: 12797803
    [TBL] [Abstract][Full Text] [Related]  

  • 11. Tandem enyne metathesis and claisen rearrangement: a versatile approach to conjugated dienes of variable substitution patterns.
    Clark DA; Kulkarni AA; Kalbarczyk K; Schertzer B; Diver ST
    J Am Chem Soc; 2006 Dec; 128(49):15632-6. PubMed ID: 17147371
    [TBL] [Abstract][Full Text] [Related]  

  • 12. Decarboxylative aldol reactions of allyl beta-keto esters via heterobimetallic catalysis.
    Lou S; Westbrook JA; Schaus SE
    J Am Chem Soc; 2004 Sep; 126(37):11440-1. PubMed ID: 15366881
    [TBL] [Abstract][Full Text] [Related]  

  • 13. An easy, efficient, and completely stereoselective synthesis of (E)-alpha,beta-unsaturated esters via sequential aldol-type/elimination reactions promoted by samarium diiodide or chromium dichloride.
    Concellón JM; Concellón C; Méjica C
    J Org Chem; 2005 Jul; 70(15):6111-3. PubMed ID: 16018713
    [TBL] [Abstract][Full Text] [Related]  

  • 14. Silylene transfer to carbonyl compounds and subsequent Ireland-Claisen rearrangements to control formation of quaternary carbon stereocenters.
    Calad SA; Woerpel KA
    J Am Chem Soc; 2005 Feb; 127(7):2046-7. PubMed ID: 15713073
    [TBL] [Abstract][Full Text] [Related]  

  • 15. Cyclic beta-amino acid derivatives: synthesis via lithium amide promoted tandem asymmetric conjugate addition-cyclisation reactions.
    Davies SG; Díez D; Dominguez SH; Garrido NM; Kruchinin D; Price PD; Smith AD
    Org Biomol Chem; 2005 Apr; 3(7):1284-301. PubMed ID: 15785819
    [TBL] [Abstract][Full Text] [Related]  

  • 16. Tandem Sakurai-aldol addition reactions as a route to structurally complex carbocycles.
    Stevens BD; Nelson SG
    J Org Chem; 2005 May; 70(11):4375-9. PubMed ID: 15903314
    [TBL] [Abstract][Full Text] [Related]  

  • 17. Ring opening of cyclic vinylogous acyl triflates using stabilized carbanion nucleophiles: claisen condensation linked to carbon-carbon bond cleavage.
    Jones DM; Lisboa MP; Kamijo S; Dudley GB
    J Org Chem; 2010 May; 75(10):3260-7. PubMed ID: 20429608
    [TBL] [Abstract][Full Text] [Related]  

  • 18. Catalytic enantioselective domino oxa-michael/aldol condensations: asymmetric synthesis of benzopyran derivatives.
    Sundén H; Ibrahem I; Zhao GL; Eriksson L; Córdova A
    Chemistry; 2007; 13(2):574-81. PubMed ID: 17039558
    [TBL] [Abstract][Full Text] [Related]  

  • 19. Boron-mediated aldol reaction of carboxylic esters.
    Abiko A
    Acc Chem Res; 2004 Jun; 37(6):387-95. PubMed ID: 15196048
    [TBL] [Abstract][Full Text] [Related]  

  • 20. High performance of Rh(Phebox) catalysts in asymmetric reductive aldol reaction: high anti-selectivity.
    Nishiyama H; Shiomi T; Tsuchiya Y; Matsuda I
    J Am Chem Soc; 2005 May; 127(19):6972-3. PubMed ID: 15884939
    [TBL] [Abstract][Full Text] [Related]  

    [Next]    [New Search]
    of 6.