Allylpalladium chloride dimer


Allylpalladium chloride dimer is a chemical compound with the formula 2. This yellow air-stable compound is an important catalyst used in organic synthesis. It is one of the most widely used transition metal allyl complexes.

Synthesis and reactions

The compound is prepared by purging carbon monoxide through a methanolic aqueous solution of sodium tetrachloropalladate, and allyl chloride.
APC reacts with sources of cyclopentadienyl anion to give the corresponding 18e complex cyclopentadienyl allyl palladium: