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Chemical modification of usnic acid: III.* Reaction of (+)-usnic acid with substituted phenylhydrazines

✍ Scribed by O. A. Luzina; M. P. Polovinka; N. F. Salakhutdinov; G. A. Tolstikov


Book ID
111465222
Publisher
SP MAIK Nauka/Interperiodica
Year
2009
Tongue
English
Weight
226 KB
Volume
45
Category
Article
ISSN
1070-4280

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## Abstract The reaction of (+)‐usnic acid (I) with arylhydrazines (II) leads to the fused pyrazole derivatives (III), whilst the reaction with nitrophenylhydrazines (V) gives rise to hydrazones (V).

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