Supramolecular Side-Chain Functionalized
Polymers: Synthesis and Self-Assembly Behavior of Polynorbornenes
Bearing Pd<sup>II</sup> SCS Pincer Complexes
作者:Marcus Weck、Joel Pollino
DOI:10.1055/s-2002-32534
日期:——
A new polynorbornene bearing palladated SCS pincer complexes at each repeat unit has been synthesized using ring-opening metathesis polymerization. Small mesogenic molecules possessing nitrile or pyridine-based anchoring units are instantaneously and quantitatively coordinated to the palladium center in one simple self-assembly step giving rise to a densely functionalized polymer. These results suggest that the coordination of mesogenic small molecules onto the polymer scaffold can provide a simple and efficient route to a variety of materials.
作者:Wilhelm T. S. Huck、Frank C. J. M. van Veggel、David N. Reinhoudt
DOI:10.1039/a608577f
日期:——
A new type of building block with two coordinatively unsaturated
palladium centres has been described that self-assembles in nitromethane
solution and disassembles when acetonitrile is added. The resulting
hyperbranched, organopalladium spheres have a remarkably narrow size
distribution as was evidenced by light-scattering, AFM and TEM
measurements. Variation of the structure of the building blocks showed the
possibility to vary the size of the self-assembled spheres between 100 and
400 nm.