Direct Synthesis of N-Arylquinone Imine
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M. Carmen CarreΓ±o; Juan M. Cuerva; MarΓa Ribagorda; Antonio M. Echavarren
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Article
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1999
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John Wiley and Sons
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English
β 115 KB
π 3 views
In the absence of any added acidic catalyst quinone acetals as well as simple ketone and aldehyde acetals react with a variety of substituted anilines to form imines [Eq. (a)]. Contrary to what is expected from arguments based on their nucleophilicity, the most reactive anilines are those bearing el