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  • 1
    Electronic Resource
    Electronic Resource
    Hydrogen bonding in the template-directed oligomerization of a pyrimidine nucleotide analogue (1995)
    Springer
    Journal of molecular evolution 41 (1995), S. 257-261 
    Details
    ISSN: 1432-1432
    Keywords: Nucleotide analogues ; Oligomerization ; Prebiotic chemistry ; Molecular recognition ; Solvent polarity ; Hydrogen bonding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have studied the oligomerization of an activated, achiral nucleotide analogue related to the pyrimidine barbituric acid in the absence and in the presence of a complementary, pyrophosphate-linked oligomer. Although no template-directed catalysis of the oligomerization was observed with water as solvent, catalysis of the oligomerization was demonstrated in a mixture of dimethylformamide with water. Poly(U) also stimulated the oligomerization, but was less effective than the analogue. Environments in which similar effects may be observed, and some potential implications for prebiotic chemistry, are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00186537
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  • 2
    Electronic Resource
    Electronic Resource
    An achiral (oligo)nucleotide analog (1994)
    Springer
    Journal of molecular evolution 38 (1994), S. 438-442 
    Details
    ISSN: 1432-1432
    Keywords: Nucleotide analogs ; Oligomerization ; Chirality ; Barbituric acid ; Pentaerythritol ; Prebiotic chemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An achiral nucleotide analog based on barbituric acid has been synthesized. The analog, which is 5,5-di(2-phosphoethyl)barbituric acid, undergoes extensive oligomerization in aqueous solution, when activated, to produce pyrophosphate-linked chains. In contrast to a number of other bisphosphorylated nucleoside analogs which have been studied, the compound has little tendency to cyclize. The possible prebiotic implications are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00178843
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Hydrogen bonding in the template-directed oligomerization of a pyrimidine nucleotide analogue (1995)
    Springer
    Journal of molecular evolution 41 (1995), S. 257-261 
    Details
    ISSN: 1432-1432
    Keywords: Nucleotide analogues ; Oligomerization ; Prebiotic chemistry ; Molecular recognition ; Solvent polarity ; Hydrogen bonding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have studied the oligomerization of an activated, achiral nucleotide analogue related to the pyrimidine barbituric acid in the absence and in the presence of a complementary, pyrophosphate-linked oligomer. Although no template-directed catalysis of the oligomerization was observed with water as solvent, catalysis of the oligomerization was demonstrated in a mixture of dimethylformamide with water. Poly(U) also stimulated the oligomerization, but was less effective than the analogue. Environments in which similar effects may be observed, and some potential implications for prebiotic chemistry, are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01215172
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    Paper (German National Licenses)
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