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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 103 (1970), S. 1805-1814 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On 1,2,4-Thiadiazoles, XX. A Study of 3-AminothiadiazolesSulfuration of acyl guanidines (1) and subsequent cyclisation by oxidation afforded 3-Amino-1,2,4-thiadiazoles (3). These have been mono and bis acylated, mono and bis sulfenylated, diazotized and alkylated. It was found that the thiadiazole-3-diazonium salts are unstable and that 3-imino-2-methyl-dihydro-thiadiazoles (12a, b) undergo a rapid rearrangement to 3-methylaminothiadiazoles (3g, i).
    Notes: Schwefelung und anschließende dehydrierende Cyclisierung von Acylguanidinen (1) gaben 3-Amino-1.2.4-thiadiazole (3), die mono- und bis-acyliert, mono- und bis-sulfenyliert, diazotiert und alkyliert wurden. Hierbei zeigte sich 1. eine Instabilität der Diazoniumsalze, 2. schnelle Umlagerung von 3-Imino-2-methyl-dihydro-thiadiazolen (12a, b) in 3-Methylamino-thiadiazole (3g, i).
    Type of Medium: Electronic Resource
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