Chemistry of Heterocyclic Compounds p. 817 - 821 (1996)
Update date:2022-08-23
Topics:
Soldatenkov
Kolyadina
Kuleshova
Khrustalev
Treatment of fluorenone or 4-azafluoren-9-one with 2-pyridyllithium gives 5-hydroxy-5-(2-pyridyl)fluorene and its aza analog. The structure of the former has been studied by x-ray crystallography. It was found that, in contrast to the non-condensed diaryl-2-pyridylcarbinols, these alcohols do not undergo acid catalyzed dehydration and heterocyclization. Under pyrolytic conditions, 5-pyridylfluorenol undergoes fission to form fluorenone. 1997 Plenum Publishing Corporation.
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