The dppe ligand is a phenyl donor source that is transferred to 10a and 12a. On the other hand, hydrolysis product 8a likely derives from oxidative addition intermediate II. The heat map correlation between 10a, 11a and 18a shows that phenyl transfer from the dppe ligand is prevalent where amination occurs. Quinazolinedione 18a formation is linked to 11a, proposed to formed via a carbonylative process.