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 *

297 related articles for article (PubMed ID: 22322525)

  • 1. Preparation of chiral amino esters by asymmetric phase-transfer catalyzed alkylations of Schiff bases in a ball mill.
    Nun P; Pérez V; Calmès M; Martinez J; Lamaty F
    Chemistry; 2012 Mar; 18(12):3773-9. PubMed ID: 22322525
    [TBL] [Abstract][Full Text] [Related]  

  • 2. Synthesis of Both Enantiomers of Chiral Phenylalanine Derivatives Catalyzed by Cinchona Alkaloid Quaternary Ammonium Salts as Asymmetric Phase Transfer Catalysts.
    Jin L; Zhao S; Chen X
    Molecules; 2018 Jun; 23(6):. PubMed ID: 29895754
    [TBL] [Abstract][Full Text] [Related]  

  • 3. Development of highly diastereo- and enantioselective direct asymmetric aldol reaction of a glycinate Schiff base with aldehydes catalyzed by chiral quaternary ammonium salts.
    Ooi T; Kameda M; Taniguchi M; Maruoka K
    J Am Chem Soc; 2004 Aug; 126(31):9685-94. PubMed ID: 15291572
    [TBL] [Abstract][Full Text] [Related]  

  • 4. Asymmetric synthesis of α-amino acids via homologation of Ni(II) complexes of glycine Schiff bases; Part 1: alkyl halide alkylations.
    Sorochinsky AE; Aceña JL; Moriwaki H; Sato T; Soloshonok VA
    Amino Acids; 2013 Oct; 45(4):691-718. PubMed ID: 23832533
    [TBL] [Abstract][Full Text] [Related]  

  • 5. An unusual electronic effect of an aromatic-F in phase-transfer catalysts derived from cinchona-alkaloid.
    Jew SS; Yoo MS; Jeong BS; Park IY; Park HG
    Org Lett; 2002 Nov; 4(24):4245-8. PubMed ID: 12443069
    [TBL] [Abstract][Full Text] [Related]  

  • 6. Synthesis of alpha-amino acids via asymmetric phase transfer-catalyzed alkylation of achiral nickel(II) complexes of glycine-derived Schiff bases.
    Belokon YN; Bespalova NB; Churkina TD; Císarová I; Ezernitskaya MG; Harutyunyan SR; Hrdina R; Kagan HB; Kocovský P; Kochetkov KA; Larionov OV; Lyssenko KA; North M; Polásek M; Peregudov AS; Prisyazhnyuk VV; Vyskocil S
    J Am Chem Soc; 2003 Oct; 125(42):12860-71. PubMed ID: 14558835
    [TBL] [Abstract][Full Text] [Related]  

  • 7. Highly enantio- and diastereoselective Mannich reactions of glycine Schiff bases with in situ generated N-Boc-imines catalyzed by a cinchona alkaloid thiourea.
    Zhang H; Syed S; Barbas CF
    Org Lett; 2010 Feb; 12(4):708-11. PubMed ID: 20085291
    [TBL] [Abstract][Full Text] [Related]  

  • 8. 9-Amino-(9-deoxy)cinchona alkaloid-derived new chiral phase-transfer catalysts.
    Peng W; Wan J; Xie B; Ma X
    Org Biomol Chem; 2014 Nov; 12(41):8336-45. PubMed ID: 25216100
    [TBL] [Abstract][Full Text] [Related]  

  • 9. Synthesis of bis-α,α'-amino acids through diastereoselective bis-alkylations of chiral Ni(II)-complexes of glycine.
    Wang J; Liu H; Aceña JL; Houck D; Takeda R; Moriwaki H; Sato T; Soloshonok VA
    Org Biomol Chem; 2013 Jul; 11(27):4508-15. PubMed ID: 23715131
    [TBL] [Abstract][Full Text] [Related]  

  • 10. Cumyl ester as the C-terminal protecting group in the enantioselective alkylation of glycine benzophenone imine.
    Respondek T; Cueny E; Kodanko JJ
    Org Lett; 2012 Jan; 14(1):150-3. PubMed ID: 22149572
    [TBL] [Abstract][Full Text] [Related]  

  • 11. Chiral cinchona alkaloid-derived thiourea catalyst for enantioselective synthesis of novel β-amino esters by Mannich reaction.
    Li W; Song B; Bhadury PS; Li L; Wang Z; Zhang X; Hu D; Chen Z; Zhang Y; Bai S; Wu J; Yang S
    Chirality; 2012 Mar; 24(3):223-31. PubMed ID: 22278809
    [TBL] [Abstract][Full Text] [Related]  

  • 12. Catalytic asymmetric Mannich reactions of glycine derivatives with imines. A new approach to optically active alpha,beta-diamino acid derivatives.
    Bernardi L; Gothelf AS; Hazell RG; Jørgensen KA
    J Org Chem; 2003 Apr; 68(7):2583-91. PubMed ID: 12662026
    [TBL] [Abstract][Full Text] [Related]  

  • 13. 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; 9(20):3945-8. PubMed ID: 17764188
    [TBL] [Abstract][Full Text] [Related]  

  • 14. 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; 125(17):5139-51. PubMed ID: 12708866
    [TBL] [Abstract][Full Text] [Related]  

  • 15. Acyclic stereoselective boron alkylation reactions for the asymmetric synthesis of beta-substituted alpha-amino acid derivatives.
    O'Donnell MJ; Cooper JT; Mader MM
    J Am Chem Soc; 2003 Mar; 125(9):2370-1. PubMed ID: 12603106
    [TBL] [Abstract][Full Text] [Related]  

  • 16. Cinchona alkaloid-based polymer-bound phase-transfer catalysts: efficient enantioselective alkylation of benzophenone imine of glycine esters.
    Thierry B; Plaquevent JC; Cahard D
    Mol Divers; 2005; 9(4):277-90. PubMed ID: 16311803
    [TBL] [Abstract][Full Text] [Related]  

  • 17. Direct asymmetric aldol reactions of glycine schiff base with aldehydes catalyzed by chiral quaternary ammonium salts.
    Ooi T; Taniguchi M; Kameda M; Maruoka K
    Angew Chem Int Ed Engl; 2002 Dec; 41(23):4542-4. PubMed ID: 12458532
    [No Abstract]   [Full Text] [Related]  

  • 18. 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; 3(8-9):1702-14. PubMed ID: 18683160
    [TBL] [Abstract][Full Text] [Related]  

  • 19. Enantio- and diastereoselective catalytic Mannich-type reaction of a glycine schiff base using a chiral two-center phase-transfer catalyst.
    Okada A; Shibuguchi T; Ohshima T; Masu H; Yamaguchi K; Shibasaki M
    Angew Chem Int Ed Engl; 2005 Jul; 44(29):4564-7. PubMed ID: 15954147
    [No Abstract]   [Full Text] [Related]  

  • 20. Asymmetric direct α-hydroxylation of β-oxo esters catalyzed by chiral quaternary ammonium salts derived from cinchona alkaloids.
    Yao H; Lian M; Li Z; Wang Y; Meng Q
    J Org Chem; 2012 Nov; 77(21):9601-8. PubMed ID: 23050841
    [TBL] [Abstract][Full Text] [Related]  

    [Next]    [New Search]
    of 15.