![The Condensation of (Chlorocarbonyl)phenyl Ketene with Bisnucleophiles. Synthesis of 4-Hydroxy-5-phenylpyro-[2,3-
<i>c</i>
]pyrazol-6-ones and Formation of Pyrazolo[1,2-
<i>a</i>
]pyrazole-triones by Hydrogen Exchange in Unstable Mesoionic Compounds]()
The Condensation of (Chlorocarbonyl)phenyl Ketene with Bisnucleophiles. Synthesis of 4-Hydroxy-5-phenylpyro-[2,3-
<i>c</i>
]pyrazol-6-ones and Formation of Pyrazolo[1,2-
<i>a</i>
]pyrazole-triones by Hydrogen Exchange in Unstable Mesoionic CompoundsAbaszadeh, Mehdi; Sheibani, Hassan; Saidi, Kazem · Australian Journal of Chemistry · 2010