Noncovalent synthesis of water-soluble SCS PdII pincer assemblies

H.J. van Manen, R.H. Fokkens, F.C.J.M. van Veggel, David Reinhoudt

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    This article describes the noncovalent synthesis of water-soluble coordination assemblies based on SCS PdII pincer moieties. Two neutral solubilizing moieties, one based on a linear carbohydrate chain and the other on tetraethylene glycol residues, have been functionalized with pyridine and phosphane ligands. The coordination of the resulting molecules to various hydrophobic, cationic mono- and multimeric SCS PdII pincer systems has been investigated by 1H and 31P NMR spectroscopy, and by MALDI-TOF mass spectrometry. In general, the assemblies with tetraethylene glycol chains display a higher solubility in water than the ones containing linear sugar moieties. A hexapincer core decorated with six linear carbohydrates forms a hydrogel. Finally, a noncovalent water-soluble metallodendrimer having 18 peripheral tetraethylene glycol groups was constructed in a convergent manner.
    Original languageUndefined
    Pages (from-to)3189-3197
    JournalEuropean journal of organic chemistry
    Issue number18
    Publication statusPublished - 2002


    • IR-38092
    • METIS-208732

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