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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 155-167 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Reaction of Diiodomethane with Thioureas without an Intramolecular Hydrogen BondThe unsymmetrically 1,3-disubstituted thioureas 1a-g without an intramolecular hydrogen bond react with diiodomethane in the presence of triethylamine to give the both possible thiazetidine isomers 2 and 3. The dependence of the yields on the substituents R1 and R2 is studied. The thiosemicarbazides 6b and c react with diiodomethane to form the 1,3,4-thiadiazolinium iodides 8b and c.
    Notes: Die unsymmetrisch 1,3-disubstituierten Thioharnstoffe 1a-g ohne intramolekulare Wasserstoffbrückenbindung reagieren mit Diiodmethan in Gegenwart von Triethylamin zu den beiden möglichen Thiazetidin-Isomeren 2 und 3. Das Ausbeuteverhältnis in Abhängigkeit der Substituenten R1 und R2 wird untersucht. Die Umsetzung der Thiosemicarbazide 6b und c mit Diiodmethan führt zu den 1,3,4-Thiadiazolinium-iodiden 8b und c.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
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