申请人:The Secretary of State for Defence in Her Britannic Majesty's Government
公开号:US05061399A1
公开(公告)日:1991-10-29
Optically active naphthalene compounds having the formula: ##STR1## in which X and Y are selected from combinations (a), (b) and (c): (a) X is C.sub.1-10 alkyl or alkoxy and Y is C.sub.4-16 optically active alkyl, (b) X is C.sub.1-10 alkyl or alkoxy and Y is ##STR2## where R.sup.2 is C.sub.4-16 optically active alkyl, (c) X is ##STR3## where R.sup.1 is C.sub.1-10 alkyl or alkoxy and Y is C.sub.4-16 optically active alkyl. Ferroelectric smectic liquid crystal materials being compositions containing these compounds are also described.
具有以下化学式的光学活性萘化合物:其中X和Y从组合(a)、(b)和(c)中选择:(a) X为C.sub.1-10烷基或烷氧基,Y为C.sub.4-16光学活性烷基,(b) X为C.sub.1-10烷基或烷氧基,Y为其中R.sup.2为C.sub.4-16光学活性烷基,(c) X为其中R.sup.1为C.sub.1-10烷基或烷氧基,Y为C.sub.4-16光学活性烷基。还描述了含有这些化合物的铁电液晶材料组合物。