- Efficient synthesis of fluoren-9-ones by the palladium-catalyzed annulation of arynes by 2-haloarenecarboxaldehydes.
Efficient synthesis of fluoren-9-ones by the palladium-catalyzed annulation of arynes by 2-haloarenecarboxaldehydes.
The Journal of organic chemistry (2008-08-08)
Jesse P Waldo, Xiaoxia Zhang, Feng Shi, Richard C Larock
PMID18683978
ABSTRACT
Fluoren-9-ones and derivatives are readily prepared in good yields by the annulation of in situ generated arynes by 2-haloarenecarboxaldehydes in the presence of a palladium catalyst.