We disclose here the first palladium-catalyzed Suzuki–Miyaura couplings of aryl ethers functionalized allenylphosphine oxides with arylboronicacids. This new methodology with α-allenyl ethers as starting materials provides a novel approach to generate phosphinoyl 1,3-butadienes and derivatives with medium to excellent yields. The reaction tolerates a variety of functional groups to afford ranges of