In　the　presence　of　Pd(OAc)(2)/biphenyl-based　phosphoramidite　ligand(+/-)-L4,the　decarboxylative　coupling　of　allyl　carbonates　with　vinyl　benzoxazinanonesoccurred　readily,　and　deliveredthe　desired　productsin　the　acceptable　chemical　yields.　The　chemical　structure　of　the　obtained　compounds　was　clearly　identified　by　a　single　crystal　X-ray　analysis.