Abstract
The reaction of benzylamine and palladium(II) acetate in a one-to-one molar ratio in toluene or in glacial acetic acid at 60 °C for 24 h produced the acetato bridged cyclopalladated dimer of benzylamine (μ-OAc) 2[Pd(C 6H 4CH 2NH 2)] 2 ( 1) in yields of 40–75% and of 20–40%, respectively. In addition, mixtures of compounds 1, 1d1 of formula [(3-DC 6H 3CH 2NH 2)Pd](μ-OAc) 2[Pd(C 6H 4CH 2NH 2)] and 1d2 of formula (μ-OAc) 2[Pd(3-DC 6H 3CH 2NH 2)] 2 were obtained when benzylamine and palladium(II) acetate in a one-to-one molar were treated in monodeuterated acetic acid (DOAc) at 60 °C for 24 h. These mixtures were isolated in yields of 10–30% and deuterium contents in the range between 0.7 and 0.9. Furthermore, the treatment of benzylamine and palladium(II) acetate in a one-to-one molar ratio under reflux of glacial acetic acid for 45 min produced the acetato bridged endo-cyclopalladated dimer of benzyl-benzylidene-amine (μ-OAc) 2[Pd(C 6H 4CHNCH 2C 6H 5)] (compound 4), which was isolated in 14% yield relative to the initial palladium(II) acetate, together with other unidentified compounds.
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