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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 103 (1970), S. 2308-2313 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Direct Conversion of Iodothiophenes into Thienylboranes2-Iodothiophenes react with iodoboranes to form mono-, di-, and trithienylboranes and elemental iodine. Analogous redox reactions with 2,5-diiodothiophenes lead to 2,5-diboryl-thiophenes or polymeric thienylboranes. 1H n. m. r. spectroscopic results indicate an electronic interaction between the thiophene ring and the boron atom, depending on the Lewis-acidity of the boryl group.
    Notes: 2-Jod-thiophene reagieren mit Jodboranen unter Jodbildung zu Mono-, Di - und Trithienyl-boranen. Analoge Redox - Reaktionen mit 2.5 - Dijod - thiophen führen zu 2.5 - Diboryl-thiophenen bzw. polymeren Thienylboranen. 1H - NMR - spektroskopische Befunde lassen eine elektronische Wechselwirkung zwischen Thiophenring und Boratom in Abhängigkeit von der Lewis - Acidität der Borylgruppe erkennen.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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