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Journal Abstract Search

96 related items for PubMed ID: 20449

  • 1. v-Triazolo[4,5-d]pyrimidines (8-azapurines). Part 19. Stability of N-alkyl-8-azapurines. Degradation by cold, dilute acid and base to N-alkyl-4-amino-1,2,3-triazole-5-carbaldehydes and -triazol-5-yl ketones.
    Albert A, Lin CJ.
    J Chem Soc Perkin 1; 1977; (16):1819-22. PubMed ID: 20449
    [No Abstract] [Full Text] [Related]

  • 2. V-Triazolo(4,5-d)pyrimidines (8-azapurines). XVI. Preparation of 6-amino-8-azapurines by heating 4-amino-1,2,3-triazole-5-carbonitrile (and its N-alkyl derivatives) with amidines.
    Albert A.
    J Chem Soc Perkin 1; 1975; (4):345-9. PubMed ID: 1169246
    [No Abstract] [Full Text] [Related]

  • 3. v-Triazolo(4,5-d)pyrimidines (8-azapurines). Part XVII. Preparation of 1,6-dihydro-8-azapurines by heating 4-amino-5-aminomethyl-n-alkyl-1,2,3-triazoles with orthoesters or amidines.
    Albert A.
    J Chem Soc Perkin 1; 1976; (3):291-5. PubMed ID: 942968
    [No Abstract] [Full Text] [Related]

  • 4. V-Triazolo(4,5-d)pyrimidines (8-azapurines). 13. Reaction of 8-azapurines with bifunctional nucleophiles.
    Albert A, Pendergast W.
    J Chem Soc Perkin 1; 1973; 15():1625-9. PubMed ID: 4796397
    [No Abstract] [Full Text] [Related]

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  • 11. [Sequence of purines obtained from degradation of DNA by hydrolysis of apyrimidinic acid with aniline].
    Vaniushin BF, Bur'ianov IaN.
    Biokhimiia; 1969; 34(4):718-28. PubMed ID: 5358504
    [No Abstract] [Full Text] [Related]

  • 12. 1,2,3,4,6-penta-azaindenes (8-azapurines). VII. Degradation by acid of the 6-methylthio-derivatives of 8-azapurines and purines to thiol esters as 4-amino-5-(methylthio)carbonyl-1,2,3,-triazole (3a) and the corresponding imidazole.
    Albert A.
    J Chem Soc Perkin 1; 1969; 18():2379-85. PubMed ID: 5391286
    [No Abstract] [Full Text] [Related]

  • 13. Pyrimidines. IX. A new synthesis of 8-azapurines and v-triazolo[4,5-b]pyridines.
    Blank HU, Wempen I, Fox JJ.
    J Org Chem; 1970 Apr; 35(4):1131-8. PubMed ID: 5436499
    [No Abstract] [Full Text] [Related]

  • 14. Synthesis and antimicrobial testing of 4H-1,2,4-triazole, 1,2,4-triazolo[3,4-b][1,3,4]thiadiazole and 1,2,4-triazolo[3,4-b][1,3,4]thiadiazine derivatives of 1H-benzimidazole.
    Habib NS, Soliman R, Ashour FA, el-Taiebi M.
    Pharmazie; 1997 Nov; 52(11):844-7. PubMed ID: 9399341
    [Abstract] [Full Text] [Related]

  • 15. The preparation and properties of isomeric diamino-v-triazolopyridines. 1- and 3-Deaza-2,6-diamino-8-azapurines.
    Temple C, Smith BH, Montgomery JA.
    J Org Chem; 1973 Mar 23; 38(6):1095-8. PubMed ID: 4691162
    [No Abstract] [Full Text] [Related]

  • 16. [Synthesis of 4(2H-1,2,3-triazol-2-yl)pyrimidines].
    Giammanco L, Invidiata FP.
    Farmaco Sci; 1986 Mar 23; 41(3):225-8. PubMed ID: 3486781
    [Abstract] [Full Text] [Related]

  • 17. Interaction of metal ions with 8-azapurines. Synthesis and structure of tetrachlorobis-2-((5-amino-4-carboxamidinium)(1,2,3)triazole)copper(II) monohydrate.
    Purnell LG, Shepherd JC, Hodgson DJ.
    J Am Chem Soc; 1975 Apr 30; 97(9):2376-80. PubMed ID: 1133416
    [No Abstract] [Full Text] [Related]

  • 18. Synthesis, characterization and antimicrobial activity of some substituted 1,2,3-triazoles.
    Holla BS, Mahalinga M, Karthikeyan MS, Poojary B, Akberali PM, Kumari NS.
    Eur J Med Chem; 2005 Nov 30; 40(11):1173-8. PubMed ID: 15979767
    [Abstract] [Full Text] [Related]

  • 19. [Sucrose degradation upon heating and the influence of amino acids on pyrolysis].
    Egorov IA, Lominadze VN, skripnik AIu.
    Prikl Biokhim Mikrobiol; 1974 Nov 30; 10(5):681-7. PubMed ID: 4463358
    [No Abstract] [Full Text] [Related]

  • 20. Synthesis of some new 1,3,4-thiadiazol-2-ylmethyl-1,2,4-triazole derivatives and investigation of their antimicrobial activities.
    Demirbas A, Sahin D, Demirbas N, Karaoglu SA.
    Eur J Med Chem; 2009 Jul 30; 44(7):2896-903. PubMed ID: 19167136
    [Abstract] [Full Text] [Related]

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