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Methylpalladium complexes with pyrimidine-functionalized N-heterocyclic carbene ligands

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ABSTRACT

A series of methylpalladium(II) complexes with pyrimidine-NHC ligands carrying different aryl- and alkyl substituents R ([((pym)^(NHC-R))PdII(CH3)X] with X = Cl, CF3COO, CH3) has been prepared by transmetalation reactions from the corresponding silver complexes and chloro(methyl)(cyclooctadiene)palladium(II). The dimethyl(1-(2-pyrimidyl)-3-(2,6-diisopropylphenyl)imidazolin-2-ylidene)palladium(II) complex was synthesized via the free carbene route. All complexes were fully characterized by standard methods and in three cases also by a solid state structure.

No MeSH data available.


ORTEP [39] style plot of complex 9 in the solid state. Thermal ellipsoids are given at the 50% probability level. Selected bond lengths in angstrom and angles in degrees: Pd–C1 2.031(4), Pd–N3 2.137(2), Pd–C12 2.030(2), Pd–Cl1 2.342(1), C1–Pd–N3 80.1(1), C1–N1–C4–N3 −9.7(3).
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Figure 2: ORTEP [39] style plot of complex 9 in the solid state. Thermal ellipsoids are given at the 50% probability level. Selected bond lengths in angstrom and angles in degrees: Pd–C1 2.031(4), Pd–N3 2.137(2), Pd–C12 2.030(2), Pd–Cl1 2.342(1), C1–Pd–N3 80.1(1), C1–N1–C4–N3 −9.7(3).

Mentions: For complexes 9 and 12 (Fig. 2 and Fig. 3) we were able to obtain solid state structures, which show the predicted geometry and confirm that the B isomers are formed.


Methylpalladium complexes with pyrimidine-functionalized N-heterocyclic carbene ligands
ORTEP [39] style plot of complex 9 in the solid state. Thermal ellipsoids are given at the 50% probability level. Selected bond lengths in angstrom and angles in degrees: Pd–C1 2.031(4), Pd–N3 2.137(2), Pd–C12 2.030(2), Pd–Cl1 2.342(1), C1–Pd–N3 80.1(1), C1–N1–C4–N3 −9.7(3).
© Copyright Policy - Beilstein
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4979653&req=5

Figure 2: ORTEP [39] style plot of complex 9 in the solid state. Thermal ellipsoids are given at the 50% probability level. Selected bond lengths in angstrom and angles in degrees: Pd–C1 2.031(4), Pd–N3 2.137(2), Pd–C12 2.030(2), Pd–Cl1 2.342(1), C1–Pd–N3 80.1(1), C1–N1–C4–N3 −9.7(3).
Mentions: For complexes 9 and 12 (Fig. 2 and Fig. 3) we were able to obtain solid state structures, which show the predicted geometry and confirm that the B isomers are formed.

View Article: PubMed Central - HTML - PubMed

ABSTRACT

A series of methylpalladium(II) complexes with pyrimidine-NHC ligands carrying different aryl- and alkyl substituents R ([((pym)^(NHC-R))PdII(CH3)X] with X = Cl, CF3COO, CH3) has been prepared by transmetalation reactions from the corresponding silver complexes and chloro(methyl)(cyclooctadiene)palladium(II). The dimethyl(1-(2-pyrimidyl)-3-(2,6-diisopropylphenyl)imidazolin-2-ylidene)palladium(II) complex was synthesized via the free carbene route. All complexes were fully characterized by standard methods and in three cases also by a solid state structure.

No MeSH data available.