Carbonylative coupling of iodobenzene to benzophenone with [n-Bu4N][HFe (CO) 4]

~27%

~13%

~4%

~6%

~3%

~1%

~20%

~4%

~17%

~49%

~60%

~62%

~40%

~16%

~17%

~19%

~16%

~17%

~22%

~33%