o-Acylbenzonitriles: Synthesis and Heterocyclization under Acid Hydrolysis of the Cyano Groupстатья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:2-Cyanobenzophenones were synthesized by reaction of 2-bromobenzophenones with copper(I)
cyanide in DMF, and their transformations involving acid hydrolysis of the cyano group were studied.
Reactions of o-benzoylbenzonitriles with trifluoroacetic acid in the presence or in the absence of sulfuric acid
afforded 3-hydroxyphthalimidines in high yields. Under analogous conditions, benzonitriles having no acyl
group in the ortho position were converted to the corresponding benzamides. 2-Cyanobenzophenones reacted
with sulfuric acid in the absence of trifluoroacetic acid to give only substituted anthraquinones.