The reaction of alkylphenylacetyl chlorides with aroyl chlorides catalysed by tetrakis(triphenylphosphine)palladium gives α,β-unsaturated ketones selectively via a decarbonylative cross condensation reaction.
四(
三苯基膦)
钯催化的烷基苯基
乙酰氯与芳酰
氯的反应通过脱羰基交叉缩合反应选择性地产生α,β-不饱和酮。