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ISSUE 8

Year 2005, Month 8 (Section Brief Communications, Page 1982)

Reactions of β-aroylacrylic acids with N-nucleophiles

R. Dj. Khachikyan,a N. V. Karamyan,a* H. A. Panosyan,b and M. H. Injikyan a

Reactions of NH2OH•HCl with β-aroylacrylic acids proceed ambiguously: a nucleophile attacks either the carbonyl group or the C=C bond. In the latter case, the resulting α-hydroxylamino derivative converts into enamine, probably via dehydration followed by isomerization. Addition of 1,2,4-triazole to the C=C bond of β-(p-toluyl)acrylic acid followed by refluxing of their adduct with 60% NH2NH2•H2O gave a dihydropyridazinone derivative.

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