![Revisiting the Ullmann−Ether Reaction: A Concise and Amenable Synthesis of Novel Dibenzoxepino[4,5-
<i>d</i>
]pyrazoles by Intramolecular Etheration of 4,5-(
<i>o,o</i>
‘-Halohydroxy)arylpyrazoles]()
Revisiting the Ullmann−Ether Reaction: A Concise and Amenable Synthesis of Novel Dibenzoxepino[4,5-
<i>d</i>
]pyrazoles by Intramolecular Etheration of 4,5-(
<i>o,o</i>
‘-Halohydroxy)arylpyrazolesOlivera, Roberto; SanMartin, Raul; Churruca, Fátima; Domínguez, Esther · The Journal of Organic Chemistry · 2002