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Preparation and Characterization of Bridged Naphthoxazinium Salts (1999)

Kanitz, Andreas ; Hartmann, Horst

Weinheim : Wiley-Blackwell

Liebigs Annalen 1999 (1999), S. 923-930

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ISSN: 1434-193X

Keywords: Bridged benzo[a]phenoxazinium salts ; Diazo compounds ; Cyclocondensation ; Absorption ; Fluorescence ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: -By condensation of bridged 4-arylazo-substituted 3-hydroxyanilines 18 and bridged or unbridged 4-arylazo-substituted 1-naphthylamines 19-23 with bridged 1-naphthylamines 15-17 and 3-aminophenols 14, respectively, in the presence of perchloric acid, bridged naphthoxazinium perchlorates 24-30 have been prepared. The spectral properties of the products have been compared with those of the bridged phenoxazinium salt 31 as well as with data for some unbridged analogues.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

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