Chemistry of Heterocyclic Compounds p. 63 - 65 (1990)
Update date:2022-08-02
Topics:
Prostakov, N. S.
Kruglyak, E. V.
Shalimov, V. P.
Sergeeva, N. D.
4-Aza-fluoren-9-ol and 9-chloro(bromo)-4-azafluorenes are converted in high yields upon refluxing with thionyl chloride to form bis<9-chloro(bromo)-4-azafluoren-9-yl>.At about 20 deg C, azafluorenol and thionyl chloride form 9-chloro-4-azafluorene.Mechanisms are proposed for these reactions.
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(1990)
