European Journal of Inorganic Chemistry
European Journal of Inorganic Chemistry
3 years ago

Crystalline Inclusion Compounds of a Palladacyclic Tetraol Host Featuring o-Carborane Units

Crystalline Inclusion Compounds of a Palladacyclic Tetraol Host Featuring o-Carborane Units
Duane Choquesillo-Lazarte, José Giner Planas, Min Ying Tsang, Francesc Teixidor, Clara Viñas
A new neutral host Pd2L2 metallacycle, featuring a bulky bis[3-pyridyl(hydroxy)methyl]-1,2-dicarba-closo-dodecaborane, is synthesized, and seven crystalline inclusion compounds are obtained from DMF, DMSO, EtOAc, and THF, with the last four acting as guest solvents. Single-crystal X-ray diffraction structural analysis shows the formation of 1:n (n = 6–8) host/guest crystals, indicating a high stoichiometric ratio of included solvent. Single-crystal X-ray diffraction analyses of all structures reveal a supramolecular ordering of the palladacycles in the solid state, through extensive hydrogen bonding or intermolecular contacts, mainly between the host and the guest molecules.A new neutral host Pd2L2 metallacycle, featuring a bulky bis[3-pyridyl(hydroxy)methyl]-1,2-dicarba-closo-dodecaborane, acts as a host for seven crystalline inclusion compounds from DMF, DMSO, EtOAc, and THF, in an exceptional ratio of host/guest 1:n (n = 6–8).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/ejic.201700535

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