Cross dehydrogenative coupling via base-promoted homolytic aromatic substitution (BHAS): synthesis of fluorenones and xanthones

~60%

~69%

~%

~65%

~%

~76%

~%

~95%

~53%

~%

~39%

~%

~29%

~%

~63%

~%

~66%

~%

~72%

~24%

~%

~%

~86%

~%

~97%

~80%