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Reactivity of an o-indoloquinone to 1- and 2-azadienes
V Bernardes Génisson1, P Nebois, M Domard
1Laboratoire de Chimie Organique, Faculté de Pharmacie, Université Claude Bernard Lyon 1, France.
Chemical & Pharmaceutical Bulletin
|June 24, 2000
Abstract:
The cycloaddition reactions of o-indoloquinone 4 to azadienes are described. With 1-azadiene 2, quinone 4 works as a dienophile to give the directly aromatized cycloadduct 6. In contrast, when 2-azadiene 3 is used, the cycloaddition occurs with CO-4, indicating that this system functions as a heterodienophile.