Open AccessShort Note
Synthesis of 4,4'-(Cyclohexane-1,1-diyl)bis(1-methyl- 1H-pyrazol-5-ol)
Received: 1 July 2008 / Accepted: 19 August 2008 / Published: 22 August 2008
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Methyl (2E)-3-methoxyacrylate and excess methylhydrazine yield crude 1- methyl-2-pyrazolin-5-one which is reacted with cyclohexanone to obtain the title compound in 86% yield. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, and MS) are presented.