Preparative Organic Chemistry
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ChemInform Abstract: Unexpected Rearrangements of Bicyclic Pyrazolines Derived from 6,6-Diphenylpentafulvene.
First published: 08 June 2010
Abstract
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ChemInform Abstract
Fused pyrazoline derivatives (III) and (IV), derived from the cycloaddition of starting compound (I) and in situ generated diarylnitrilimines, undergo a TFA-promoted intramolecular rearrangement to give new quinoline derivatives (V) and pyrazole derivatives (VI) and (VII).
