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Allylpalladium Chloride Dimer Information

Allylpalladium(II) chloride dimer is a chemical compound with the formula (η3- C3H5)2Pd2Cl2. This yellow air-stable compound is an important catalyst used in organic synthesis.[1]

Synthesis and reactions

The compound is prepared by purging carbon monoxide through a methanolic aqueous solution of palladium(II) chloride, sodium chloride, and allyl chloride.[1]

2Na2PdCl4 + 2 CH2=CHCH2Cl + 2 CO + 2 H2O → (C3H5)2Pd2Cl2 + 4 NaCl + 2 CO2 + 4 HCl

APC reacts with sources of cyclopentadienyl anion to give the corresponding 18e complex cyclopentadienyl allyl palladium:

(C3H5)2Pd2Cl2 + 2 NaC5H5 → 2 Pd(η3-C3H5)(η5-C5H5) + 2 NaCl

References

  1. ^ a b Tatsuno, Y.; Yoshida, T.; Otsuka, S. "(η3-allyl)palladium(II) Complexes" Inorganic Syntheses, 1990, volume 28, pages 342-345. ISBN 0-471-52619-3
Palladium compounds

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