Optically active compounds containing a deuterated chiral alkyl eater
group [(R)-ArCOOCD(CD3)CD2-n-C5H11, ArCOOCH(CD3)CD2-n-C5H11, ArCOOCD(C
H3)-n-C6H13: Ar = n-C8H17OC6H4C6H4COOC6H4] were prepared from 2-octano
ne and were proved to exhibit liquid crystal phases (Cr 73 SmCA 117 S
mC 122 SmA 149 Iso) same as the parent compound [(R)-ArCOOCH(CH3)-n-C
6H13].