Chemistry of Heterocyclic Compounds p. 787 - 790 (1984)
Update date:2022-08-04
Topics: Nitro group Reaction Introduction Electrophilic Substitution Acyl group
Orlov, V. D.
Aziz, M. A.
Savran, A. T.
Asoka, P. K.
1-Phenyl-3,5-diaryl-2-pyrazolines are nitrated, sulfurated, and acylated in the para-position of the 1-phenyl ring.In the presence of POCl3, pyrazolines form triphenylmethane dyes with a Michler's ketone.
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