tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine in tetrahydrofuran 0.333333 h; Ambient temperaturealso cat. Pd(O)-P(OEt)3; reaction time and temperature; allyl β-keto-carboxylates with allylic carbonates; new method for the diallylation of ketones; Product distributionMechanism;