- Palladium(II) complexes with benzoxazol-2-ylidene ligands: Crystal structures of trans-chloro(benzoxazol-2-ylidene)-bis(triphenylphosphine) palladium(II) chloride and cis-diiodo(benzoxazol-2-ylidene)(triphenylphosphine) palladium(II)
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The palladium(II) complexes trans-[PdCl(L)(PPh3)2]Cl, 5, and cis-[PdI2(L)PPh3], 7, (L = benzoxazol-2-ylidene) have been synthesized by treatment of the complexes trans-[PdX 2(PPh3)2] (4: X = Cl, 6: X = I) with 2-(trimethylsiloxy)phenyl isocyanide 1, and subsequent hydrolysis of the Si-O bond. The crystal structures of 5 and 7*CH2Cl2 were established by X-ray diffraction. NMR and IR studies indicate, that the unexpected cis-configuration of 7 obtained from trans-[PdI2(PPh 3)2] is not the result of a solution equilibrium between the cis- and the trans-isomers.
- Hahn, F. Ekkehardt,Lügger, Thomas,Beinhoff, Matthias
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