Palladium-Catalyzed Cross-Coupling Reaction of a Chiral Ferrocenyl Zinc Reagent with Aromatic Bromides: Application to the Design of Chiral Octupoles­ for Second Harmonic Generation

Abstract

Palladium catalyzed cross coupling reaction of a chiral ferrocenylzinc reagent with aryl bromides allowed the introduction of a planary chiral ferrocenyl subunit on an aryl fragment. Using this method, new C₃ symmetric chiral architecture bearing organometallic donor-acceptor fragments were assembled starting from a common tris aldehyde precursor. The non- linear optical properties were measured using the Harmonic Light Scattering method and the potentiality for the new chromophores to behave as octupoles is also discussed.

planar chirality - asymmetric synthesis - ferrocene - palladium - non linear optics - octupole - hyperpolarisability

References

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