Cooperative Chirality in Columnar Liquid Crystals: Studies of Fluxional Octahedral Metallomesogens J. Am. Chem. Soc. 1999, 121, 4518−4519

y J . Am . Chem . Soc . 136 : 6453 − 6462

Cross-dehydrogenative coupling reactions between -ketoesters and electron-rich arenes, such as indoles, proceed with high regiochemical fidelity with a range of -ketoesters and indoles. The mechanism of the reaction between a prototypical ketoester, ethyl 2-oxocyclopentanonecarboxylate and N-methylindole, has been studied experimentally by monitoring the temporal course of the reaction by 1 ...

Chirality in Liquid Crystals

Column correlation in polycatenar mesophases.

It is well established that thermotropic hexagonal ± columnar mesophases can be exhibited by polycatenar compounds, which are molecules with a rodlike rigid core that ends in two half-disks and three to six aliphatic chains, grafted at each end, in ortho, para, and/or meta positions. In previous work, we have contributed to study the structural properties of these mesophases by diffusing biolog...

Chirality and biaxiality in cholesteric liquid crystals.

We investigate the statistical mechanics of chirality and biaxiality in liquid crystals through a variety of theoretical approaches, including Monte Carlo simulations, lattice mean-field theory, and Landau theory. All of these calculations show that there is an important interaction between cholesteric twist and biaxial order: The twist acts as a field on the biaxial order, and conversely, the ...

Dielectric Investigations on Ferroelectric Columnar Liquid Crystals