G. Solladie et al., A NEW FAMILY OF ENANTIOMERICALLY PURE SMECTIC C-ASTERISK LIQUID-CRYSTALS WITH A BRIDGED CHIRAL BIPHENYL CORE, Journal of organic chemistry, 63(12), 1998, pp. 3895-3898
The synthesis of enantiomerically pure bridged biphenyl compounds, )-3
,9-bis(4-(dodecyloxy)benzoyloxy)-5,7-dihydro-1, 11-dimethyldibenzo[c,e
]thiepine, 13, and 3,9-bis(4-(dodecyloxy)benzoyloxy)-5,7-dihydro-1,11
dioxide, 14, is described. This is the first report of smectic C meso
phases with a rigid twisted biphenyl core and axial chirality.