ChemInform Abstract: A Regioselective Sy
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Ranjana Aggarwal; Garima Sumran; Neelam Garg; Ashok Aggarwal
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Article
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2011
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John Wiley and Sons
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## Abstract Treatment of aminohydrazinopyrazole dihydrochloride (I) with unsymmetrical diketones (II) in water without any catalysts or additives yields the pyrazolylpyrazolopyrimidines (III) together with the unexpected pyrazoles (IV).