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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 127 (1996), S. 305-311 
    ISSN: 1434-4475
    Keywords: 2-Amino-4-nitrophenol ; Cyclization ; Dibromoalkane ; Rotamer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine neue Methode zur Herstellung heterozyklischer Derivate von 2-Amino-4-nitrophenol wird vorgestellt. Dieses allgemeine Verfahren kann zur Synthese von verschiedenen Ringsystemen (partielle gesättigte 1,4-Benzoxazine, 1,5-Benzoxazepine, 1,6-Benzoxazocine) benutzt werden. In den Lösungen derN-Formyl-Derivate können zwei Rotamere identifiziert werden. Ihre relative Menge hängt vom Lösungsmittel ab.
    Notes: Summary A new pathway for the synthesis of cyclic derivatives of 2-amino-4-nitrophenol by application of dibromoalkanes is described. This general method was used for the preparation of several heterocycles (partially saturated 1,4-benzoxazines, 1,5-benzoxazepines, 1,6-benzoxazocines). Two rotamers are present in solution of theN-formyl derivatives, the relative amounts depending on the solvent used.
    Type of Medium: Electronic Resource
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