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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 103 (1970), S. 2288-2301 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Photochemical Transformations, 33Upon direct photoexcitation the three 7-azabenzonorbornadienes 12a, b, c are isomerized to the 3-benzazepines 22a, b, c. At temperatures above -40° the azaquadricyclanes 19a, b, c, postulated as intermediates, cannot be found. The sensitized reaction of 12a yields the 6-aminobenzofulvenes 23a and 24a preferentially.
    Notes: Durch direkte Lichtanregung werden die drei 7-Aza-benzonorbornadiene 12a, b, c in die 3-Benzazepine 22a, b, c isomerisiert. Oberhalb -40° lassen sich die als Zwischenprodukte postulierten Azaquadricyclane 19a, b, c nicht nachweisen. Bei der sensibilisierten Anregung von 12a werden die 6-Amino-2.3-benzo-fulvene 23a, 24a bevorzugt gebildet.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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