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Pairwise Assembly of Organopalladium(II) Units with Cyanurato(3−) and Trithiocyanurato(3−) Ligands: Formation of Chiral Pd

DOI: 10.1021/ic401253q DOI Help

Authors: Claire Murray (Diamond Light Source) , Christine J Cardin (University of Reading) , Barnaby Greenland (University of Reading) , Andrew Swift (University of Reading) , Howard Colquhoun (University of Reading)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Inorganic Chemistry , VOL 52 (18)

State: Published (Approved)
Published: September 2013
Diamond Proposal Number(s): 7786

Open Access Open Access

Abstract: The o-palladated, chloro-bridged dimers [Pd{2-phenylpyridine(-H)}-μ-Cl]2 and [Pd{N,N-dimethylbenzylamine(-H)}-μ-Cl]2 react with cyanuric acid in the presence of base to afford closed, chiral cage-molecules in which 12 organo-Pd(II) centers, located in pairs at the vertices of an octahedron, are linked by four tetrahedrally arranged cyanurato(3−) ligands. Incomplete (Pd10) cages, having structures derived from the corresponding Pd12 cages by replacing one pair of organopalladium centers with two protons, have also been isolated. Reaction of [Pd{2-phenylpyridine(-H)}-μ-Cl]2 with trithiocyanuric acid gives an entirely different and more open type of cage-complex, comprising only nine organopalladium centers and three thiocyanurato(3−) ligands: cage-closure in this latter system appears to be inhibited by steric crowding of the thiocarbonyl groups.

Subject Areas: Chemistry, Materials

Instruments: I19-Small Molecule Single Crystal Diffraction

Other Facilities: Advanced Light Source, beamline 11.3.1.