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