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  • 1975-1979  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Synthesekontrolle und Charakterisierung höherer Peptide durch Anwendung der 13C-NMR-Spektroskopie (1979)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 321 (1979), S. 231-242 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Control of Synthesis and Characterization of Higher-Molecular Peptides by Means of 13C n.m.r. SpectroscopyThe 13C n.m.r. spectra of the C-terminal bovine insulin decapeptide derivative Boc-Glu(OBzl)-Arg(H+)-Gly-Phe-Phe-Tyr(Bzl)-Thr(Bzl)-Pro-Lys(Z)-Ala-OBzl as well as the amino acid and peptide intermediates used in its synthesis, have been measured and assigned as extensively as possible. The use of 13C n.m.r. spectroscopy as a method for controlling the synthesis and for the characterization of higher-molecular peptides is discussed.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19793210208
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nα-Acetyl-aminosäure-methylamide als Modellverbindungen zur Interpretation der 13C-NMR-Spektren geschützter Peptide (1979)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 321 (1979), S. 1007-1016 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Nα-Acetyl-methylamides of Amino Acids as Model Compounds for Interpretation of 13C-NMR-Spectra of Protected PeptidesNα-Acetyl-methylamides of differents amino acids have been synthesized as model compounds for amino acid residues in peptides, and 13C-n.m.r. spectra have been measured.The three derivatives of peptides Boc-Glu(OBzl)-Arg(H+)-Gly-Phe-Phe-Tyr(Bzl)-Thr(Bzl)-Pro-Lys(Z)- Ala-OBzl (B 21-30). Boc-Leu-Tyr(Bzl)-Leu-Val-Cys(SEt)-Gly-OH (B 15-20) and Boc-Ser(Bzl)-His(Trt)-Leu-Val-Glu(OBzl)-Ala-OH (B 9-14) used for the synthesis of insulin B chain are an illustration for the fact that chemical shifts of characteristic amino acid carbon atoms obtained by corresponding model compounds, allow a simple and correct interpretation of peptide derivative spectra.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19793210616
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Untersuchungen zur radikalischen Copolymerisation von Acrylnitril mit α-Olefinen. 6. Mitt. Zur Assoziatbildung von Allybenzolsiehe 5. Mitt. [1] (1979)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 30 (1979), S. 409-411 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: In order to investigate the deviation of the copolymerization of acrylonitrile with allyl benzene from the Mayo-Lewis model caused by association the temperature-dependence of the r-values in different solvents and at different monomer ratios was determined. Independent comparison is achieved by 1H and 13C-NMR spectra of allyl benzene in tetrachloromethane and nitromethane.
    Notes: Zur Untersuchung der Abweichung vom MAYO-LEWIS-Modell bei der Acrylnitril-Allylbenzol-Copolymerisation durch Assoziatbildung wurde die Temperaturabhängigkeit der r-Werte in verschiedenen Lösungsmitteln und bei unterschiedlichen Monomermischungsverhältnissen bestimmt. Zum unabhängigen Vergleich dienten 1H- und 13C-NMR-Spektren des Allylbenzols in Tetrachlormethan und Nitromethan.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1979.010300706
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    Paper (German National Licenses)
    Fulltext
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