Diversity-oriented pyrazol-3-one synthes
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Ekaterina Lakontseva; Mikhail Krasavin
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Article
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2010
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Elsevier Science
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French
β 501 KB
a b s t r a c t N-Cyanoacetyl-N 0 -trifluoroacetyl-N 0 -alkylhydrazines, prepared via hydrazino-Ugi reaction, provided different pyrazol-3-ones when exposed to mildly acidic and mildly basic conditions at 60 Β°C. These approaches offer a facile access to two different pyrazol-3-one-containing chemoty