A new class of star-shaped cholesteric liquid crystals were designed and synthesized, which used 1, 3, 5-trihydroxybenzene unit as a core and ω-cholesteric alkyl diacid monoester as mesogenic arm. Their chemical structures were confirmed by element analyses, FT-IR, and
![6-[[10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-6-oxo-hexanoic acid Structure](https://image.chemsrc.com/caspic/150/74294-94-3.png)