A　mixture　of　Pd2(dba)3/{η-C5H　4CHN[CH(CH3)(Nap)]}Fe[η-C5H　4P(tBu)2]　efficiently　catalyzes　the　Suzuki　reactions　of　a　variety　of　bulky　aryl　halides　and　aryl-　and　alkyl-boronic　acids,　affording　the　desired　cross-coupling　biaryl　products　in　quantitative　isolated　yields　under　mild　conditions　and　at　low　(1　×　10-6-1　mol%)　Pd　loadings.　Spectroscopic　(NMR　&　ESI)　analysis　of　the　mixture　of　Pd　2(dba)3,　the　hybrid　[P,N]　ligands,　and　aryl　halides　revealed　different　structural　forms　of　oxidative　addition　products　that　are　dependent　on　the　substituent　on　the　imino　nitrogen.　©　2011　Elsevier　B.V.　All　rights　reserved.