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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 320 (1978), S. 313-323 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Synthesis of Nitro- and Amino-Substituted Thiobenzamides by Thiolation Reactions with Elemental Sulfur at Mild ConditionsThe Synthesis of thiobenzamides 2-7 by basecatalyzed thiolation of nitro-benzyl-halides (type 1), especially at low temperatures, and the selective synthesis of p- and m-nitro-thio-benzamides (2, 3) or p-and m-amino-thiobenzamides (5, 6), respectively, are described. o-Nitro-benzylhalides (→ 4, 7) are less reactive than p- and m-nitro-benzylhalides.The reaction of nitrobenzylhalides (type 1) with elemental sulfur and amines occuring at low temperatures to give 2-4 leads via structures of the type 11, 15 and 16.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1978 (1978), S. 1311-1326 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis of Peptides of the Amino Acids 3,5-Di-tert-butyl-4-hydroxyphenylalanine and -glycine3,5-Di-tert-butyl-4-hydroxyphenylalanine (1) and -glycine (2) with masked carboxy- and amino functions 1a - d, 2a, and b are converted by different methods with glycine, alanine, leucine and tyrosine into the di-, tri-, and tetrapeptides 9 and 10. Amino acid and peptide derivatives 3 - 8 serve as reactants. - In addition, the dioxopiperazines 11a - c have also been synthesized.
    Notes: 3,5-Di-tert-butyl-4-hydroxyphenylalanin (1) und -glycin (2), mit Schutzgruppen an den Carboxy-und Amino-Resten 1a - d, 2a bzw. b, wurden mit Glycin, Alanin, Leucin und Tyrosin nach verschiedenen Verfahren zu den Di-, Tri- und Tetrapeptiden 9 und 10 umgesetzt. Als Reaktionspartner von 1 und 2 dienten die Aminosäure- und Peptid-Derivate 3 - 8. - Außerdem wurden die Dioxopiperazine 11a - c synthetisiert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1975 (1975), S. 611-616 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Derivatives of Methylenedioxybenzene, XXXVII. - Synthesis of Benzotris[l,f]dioxoleThe preparation of benzotris[l,3]dioxol (5) via 3,4-(methylenedioxy)pyrocatechol (1d) and benzo[l,2-d: 3,4-d′]bis[l,3]dioxole-4,5-diole (2j) is described.
    Notes: Benzotris[l,3]dioxol (5) wird über die Stufen des 3,4-(Methylendioxy)brenzkatechins (1 d) und des Benzo[l,2-d: 3,4-d′]bis[l,3]dioxol-4,5-diols (2 j) dargestellt.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1978 (1978), S. 757-770 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis of 3,5-Di-tert-butyltyrosine and (3,5-Di-tert-butyl-4-hydroxyphenyl)glycineThe amino acids 3,5-di-tert-butyltyrosine (1a) and (3,5-di-tert-butyl-4-hydroxyphenyl)glycine (2a) have been synthesized. They can be used for the spin-labeling of peptides.
    Notes: Die Aminosäuren 3,5-Di-tert-butyltyrosin (1a) und (3,5-Di-tert-butyl-4-hydroxyphenyl)glycin (2a) werden synthetisiert. Beide Aminosäuren dürften für die Spin-Markierung von Peptiden geeignet sein.
    Type of Medium: Electronic Resource
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