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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 324 (1982), S. 793-802 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Chemical Synthesis of Some Shorter Oligodeoxyribonucleotides with Modified Sugar MoietyThe chemical synthesis of the dinucleotides 5′-deoxy-5′-fluoro-thymidyl-(3′ → 5′)-3′-deoxy-3′-fluoro-thymidine, 5′-deoxy-5′-fluoro-thymidyl-(3′ → 5′)-3′-deoxy-3′-azido-thymidine, 2′-deoxy-cytidyl-(3′ → 5′)-3′-deoxy-3′-fluoro-thymidine and the tetranucleotide 2′-deoxy-2′-fluorouridyl-(3′ → 5′)-thymidyl-(3′ → 5′)-thymidyl-(3′ → 5′)-thymidyl-(3′ → 5′)-3′-deoxy-3′-fluoro-thymidine d(2′-F-UpTpTp-3′-F-T) is described both in solution and in the solid phase.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 325 (1983), S. 133-142 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Phosphodiester Solid Phase Synthesis of Oligodeoxyribonucleotides on Polystyrene-Teflon-SupportsPhosphodiester solid phase method on two different polystyrene-teflon-supports has been applied for for the rapid synthesis of the hexanucleotides d(TCTAGA), d(TGTCAA), d(TTGACA) and the octanucleotides d(CATTATAC) and d(GTATAATG)Als Abkürzungen für die Nucleinsäurebausteine und deren Schutzgruppen wurden die von der IUPAC-IUB Commission on Biochemical Nomenclature (CBN) empfohlenen Regeln verwendet, vgl. Hoppe-Seyler's Z. Physiol. Chem. 351, 1055 (1970); außerdem wurden abgekürzt:DEAE = O-(Diethylamino)ethyl, HPLC = Hochdruckchromatographie, O.D.E. = optische Dichteeinheit [17], TEAB = Triethylammoniumbicarbonat, TFA = Trifluoressigsäure, Tris = α,α,α-Tris-(hydroxymethyl)-methyl-amin , respectively. In the case of hexanucleotides a polymeric support with 90 mg polystyrene/g support has been used. The octanucleotides were prepared using a 180 mg polystyrene/g support. The yields of all oligonucleotides were 42-51%/condensation step.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 325 (1983), S. 764-773 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Chemical Synthesis of the Pentadecadeoxyribonucleotide d(TTCTTCTACACACCC) by Improved Triester ApproachThe chemical synthesis of the pentadecanucleotide d(TTCTTCTACACACCC) by improved triester approach in solution with TPS/1-Methylimidazole as condensation agent is reported. Almost all condensation were complete within 5--10 minutes giving yields over 80%. All intermediate triester blocks showed purity degrees of higher than 90% after purification by simple silicagel chromatography. After deblocking the pentadecanucleotide was purified by DEAE-cellulose 52 chromatography and desalted, then showing 100% purity as seen by 20% polyacrylamide gel electrophoresis of the 5′-32P labeled oligonucleotide. The sequence of the synthetic oligomer was determined and confirmed by using the two-dimensional mobility shift method. The pentadecanucleotide was used as hybridisation probe for cloned human insulin c-DNA.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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