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1552 related items for PubMed ID: 19634890

  • 1. Highly enantioselective synthesis of (S)-alpha-alkyl-alpha,beta-diaminopropionic acids via asymmetric phase-transfer catalytic alkylation of 2-phenyl-2-imidazoline-4-carboxylic acid tert-butyl esters.
    Park Y, Kang S, Lee YJ, Kim TS, Jeong BS, Park HG, Jew SS.
    Org Lett; 2009 Aug 20; 11(16):3738-41. PubMed ID: 19634890
    [Abstract] [Full Text] [Related]

  • 2. Enantioselective synthesis of (R)- and (S)-alpha-alkylcysteines via phase-transfer catalytic alkylation.
    Kim TS, Lee YJ, Jeong BS, Park HG, Jew SS.
    J Org Chem; 2006 Oct 13; 71(21):8276-8. PubMed ID: 17025325
    [Abstract] [Full Text] [Related]

  • 3. Combinatorial design of simplified high-performance chiral phase-transfer catalysts for practical asymmetric synthesis of alpha-alkyl- and alpha,alpha-dialkyl-alpha-amino acids.
    Kitamura M, Shirakawa S, Arimura Y, Wang X, Maruoka K.
    Chem Asian J; 2008 Sep 01; 3(8-9):1702-14. PubMed ID: 18683160
    [Abstract] [Full Text] [Related]

  • 4. Highly enantioselective phase-transfer-catalytic alkylation of 2-phenyl-2-oxazoline-4-carboxylic acid tert-butyl ester for the asymmetric synthesis of alpha-alkyl serines.
    Jew SS, Lee YJ, Lee J, Kang MJ, Jeong BS, Lee JH, Yoo MS, Kim MJ, Choi SH, Ku JM, Park HG.
    Angew Chem Int Ed Engl; 2004 Apr 26; 43(18):2382-5. PubMed ID: 15114567
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  • 6. Phase-transfer-catalyzed asymmetric alkylation of alpha-benzoyloxy-beta-keto esters: stereoselective construction of congested 2,3-dihydroxycarboxylic acid esters.
    Hashimoto T, Sasaki K, Fukumoto K, Murase Y, Abe N, Ooi T, Maruoka K.
    Chem Asian J; 2010 Mar 01; 5(3):562-70. PubMed ID: 20013997
    [Abstract] [Full Text] [Related]

  • 7. Highly enantioselective synthesis of 5-phenyl-2-alkylprolines using phase-transfer catalytic alkylation.
    Lee M, Lee YJ, Park E, Park Y, Ha MW, Hong S, Lee YJ, Kim TS, Kim MH, Park HG.
    Org Biomol Chem; 2013 Mar 28; 11(12):2039-46. PubMed ID: 23389435
    [Abstract] [Full Text] [Related]

  • 8. Highly enantioselective synthesis of α,α-dialkylmalonates by phase-transfer catalytic desymmetrization.
    Hong S, Lee J, Kim M, Park Y, Park C, Kim MH, Jew SS, Park HG.
    J Am Chem Soc; 2011 Apr 06; 133(13):4924-9. PubMed ID: 21388212
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  • 10. Highly enantioselective synthesis of alpha-alkyl-alanines via the catalytic phase-transfer alkylation of 2-naphthyl aldimine tert-butyl ester by using O(9)-allyl-N(1)-2',3',4'-trifluorobenzylhydrocinchonidinium bromide.
    Jew SS, Jeong BS, Lee JH, Yoo MS, Lee YJ, Park BS, Kim MG, Park HG.
    J Org Chem; 2003 May 30; 68(11):4514-6. PubMed ID: 12762758
    [Abstract] [Full Text] [Related]

  • 11. Synthesis of (-)-paroxetine via enantioselective phase-transfer catalytic monoalkylation of malonamide ester.
    Kim MH, Park Y, Jeong BS, Park HG, Jew SS.
    Org Lett; 2010 Jun 18; 12(12):2826-9. PubMed ID: 20499863
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  • 13. Highly enantioselective synthesis of (2S)-alpha-(hydroxymethyl)-glutamic acid by the catalytic Michael addition of 2-naphthalen-1-yl-2-oxazoline-4-carboxylic acid tert-butyl ester.
    Lee YJ, Lee J, Kim MJ, Jeong BS, Lee JH, Kim TS, Lee J, Ku JM, Jew SS, Park HG.
    Org Lett; 2005 Jul 21; 7(15):3207-9. PubMed ID: 16018622
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  • 15. Design of N-spiro C2-symmetric chiral quaternary ammonium bromides as novel chiral phase-transfer catalysts: synthesis and application to practical asymmetric synthesis of alpha-amino acids.
    Ooi T, Kameda M, Maruoka K.
    J Am Chem Soc; 2003 Apr 30; 125(17):5139-51. PubMed ID: 12708866
    [Abstract] [Full Text] [Related]

  • 16. Enantioselective alkylation of beta-keto esters by phase-transfer catalysis using chiral quaternary ammonium salts.
    Park EJ, Kim MH, Kim DY.
    J Org Chem; 2004 Oct 01; 69(20):6897-9. PubMed ID: 15387619
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  • 18. Enantioselective synthetic method for alpha-alkylserine via phase-transfer catalytic alkylation of 2-phenyl-2-oxazoline-4- carbonylcamphorsultam.
    Lee J, Lee YI, Kang MJ, Lee YJ, Jeong BS, Lee JH, Kim MJ, Choi JY, Ku JM, Park HG, Jew SS.
    J Org Chem; 2005 May 13; 70(10):4158-61. PubMed ID: 15876109
    [Abstract] [Full Text] [Related]

  • 19. Unique reactivity of alpha,beta-unsaturated carboxylic acid imidazolides: catalytic asymmetric synthesis of alpha,beta-epoxy esters and alpha,beta-epoxy carboxylic acid derivatives.
    Nemoto T, Tosaki SY, Ohshima T, Shibasaki M.
    Chirality; 2003 May 05; 15(4):306-11. PubMed ID: 12666236
    [Abstract] [Full Text] [Related]

  • 20. Practical stereoselective synthesis of beta-branched alpha-amino acids through efficient kinetic resolution in the phase-transfer-catalyzed asymmetric alkylations.
    Ooi T, Kato D, Inamura K, Ohmatsu K, Maruoka K.
    Org Lett; 2007 Sep 27; 9(20):3945-8. PubMed ID: 17764188
    [Abstract] [Full Text] [Related]

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