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Journal Abstract Search

211 related items for PubMed ID: 20063854

  • 1. Chelation control in the [3 + 3] annulation reaction of alkoxy-substituted 1,1-diacylcyclopropanes with 1,3-bis(trimethylsilyloxy)-1,3-butadienes. diversity-oriented synthesis of isochromanes.
    Karapetyan V, Mkrtchyan S, Hefner J, Fischer C, Langer P.
    J Org Chem; 2010 Feb 05; 75(3):809-14. PubMed ID: 20063854
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  • 2. Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes.
    Riahi A, Shkoor M, Fatunsin O, Khera RA, Fischer C, Langer P.
    Org Biomol Chem; 2009 Oct 21; 7(20):4248-51. PubMed ID: 19795064
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  • 3. Diversity-oriented synthesis of 1-hydroxy-2,4-benzodioates by regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 3-alkoxy- and 3-silyloxy-2-alkoxycarbonyl-2-en-1-ones.
    Shkoor M, Riahi A, Fatunsin O, Hussain I, Yawer MA, Lubbe M, Reim S, Reinke H, Fischer C, Langer P.
    Org Biomol Chem; 2009 May 21; 7(10):2182-6. PubMed ID: 19421458
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  • 8. One-pot synthesis of 6-(thien-2-yl)- and 6-(fur-2-yl)salicylates based on regioselective [3 + 3] cyclocondensations of 1,3-bis(trimethylsilyloxy)-1,3-butadienes.
    Hussain I, Riahi A, Yawer MA, Villinger A, Fischer C, Görls H, Langer P.
    Org Biomol Chem; 2008 Oct 07; 6(19):3542-51. PubMed ID: 19082155
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  • 9. Synthesis of trifluoromethyl-substituted arenes, cyclohexenones and pyran-4-ones by cyclocondensation of 1,3-bis(silyloxy)-1,3-butadienes with 4,4-dimethoxy-1,1,1-trifluorobut-3-en-2-one: influence of the lewis acid on the product distribution.
    Bunescu A, Reimann S, Lubbe M, Spannenberg A, Langer P.
    J Org Chem; 2009 Jul 17; 74(14):5002-10. PubMed ID: 19480453
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  • 10. [Cycloaddition of 1-methyl-2(1H)-quinolones having an electron-withdrawing group at the 3 or 4-position with 1,3-butadiene derivatives].
    Fujita R, Yoshisuji T, Watanabe K, Hongo H, Matsuzaki H.
    Yakugaku Zasshi; 2002 Feb 17; 122(2):177-84. PubMed ID: 11857959
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  • 11. Facile construction of functionalized 4H-chromene via tandem benzylation and cyclization.
    Fan J, Wang Z.
    Chem Commun (Camb); 2008 Nov 14; (42):5381-3. PubMed ID: 18985217
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  • 14. Synthesis of cyclohexanes via [3 + 3] hexannulation of cyclopropanes and 2-chloromethyl allylsilanes.
    Sapeta K, Kerr MA.
    Org Lett; 2009 May 21; 11(10):2081-4. PubMed ID: 19419208
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  • 15. Organocatalytic asymmetric Friedel-Crafts alkylation/cyclization cascade reaction of 1-naphthols and alpha,beta-unsaturated aldehydes: an enantioselective synthesis of chromanes and dihydrobenzopyranes.
    Hong L, Wang L, Sun W, Wong K, Wang R.
    J Org Chem; 2009 Sep 04; 74(17):6881-4. PubMed ID: 19663397
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  • 16. High-pressure Diels-Alder cycloadditions between benzylideneacetones and 1,3-butadienes: application to the synthesis of (R,R)-(-)- and (S,S)-(+)-Delta8-tetrahydrocannabinol.
    Ballerini E, Minuti L, Piermatti O.
    J Org Chem; 2010 Jun 18; 75(12):4251-60. PubMed ID: 20476768
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  • 19. Organocatalytic asymmetric tandem Michael addition-hemiacetalization: a route to chiral dihydrocoumarins, chromanes, and 4H-chromenes.
    Lu D, Li Y, Gong Y.
    J Org Chem; 2010 Oct 15; 75(20):6900-7. PubMed ID: 20857918
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  • 20. Chelation-assisted electrocyclic reactions of 3-alkenyl-2,2'-bipyridines: an efficient method for the synthesis of 5,6-dihydro-1,10-phenanthroline and 1,10-phenanthroline derivatives.
    Takahashi A, Hirose Y, Kusama H, Iwasawa N.
    Chem Commun (Camb); 2008 Feb 07; (5):609-11. PubMed ID: 18209805
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