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    • 5. 发明授权
    • Substituted [6]helicene compounds that show enhanced nonlinear optical
rotatory power and uses thereof
    • 取代的[6]甲苯化合物,显示增强的非线性旋光性及其用途
    • US6017470A
    • 2000-01-25
    • US631777
    • 1996-04-12
    • Thomas J. KatzColin P. Nuckolls
    • Thomas J. KatzColin P. Nuckolls
    • C07C50/36C07C69/00G02F1/361F21V9/00C07C41/00C09K19/32F21V9/14
    • C07C69/00C07C50/36G02F1/361G02F1/3612G02F1/3616G02F1/3617C07C2103/00
    • This invention provides a compound having the structure: ##STR1## wherein rings A and B represent independent electron accepting ring systems and wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are the same or different and are H, substituted or unsubstituted, saturated or unsaturated alkyl, alkenyl, cycloalkyl, aryl, or arylalkyl, --SR, --NRR', --OR, --OC(O)R, SC(O)R, --SCR, wherein R and R' are independently substituted or unsubstituted, saturated or unsaturated alkyl, alkenyl, cycloalkyl, aryl, or arylalkyl.This invention also provides thin films comprising a compound having the above structure or suitable derivatives thereof.This invention further provides liquid crystal display devices and non-linear optical devises comprising a compound having the above structure or a suitable derivative thereof.Finally, this invention provides a method for achieving a high order non-linear electrooptical response comprising contacting a suitable sample of the inventive compound or a derivative thereof with an appropriate light source.
    • 本发明提供具有以下结构的化合物:其中环A和B表示独立的电子接受环体系,其中R1,R2,R3,R4,R5,R6,R7和R8相同或不同,为H,取代或未取代的, 饱和或不饱和的烷基,烯基,环烷基,芳基或芳基烷基,-SR,-NRR',-OR,-OC(O)R,SC(O)R,-SCR,其中R和R'独立地是取代或未取代的 ,饱和或不饱和的烷基,烯基,环烷基,芳基或芳基烷基。 本发明还提供了包含具有上述结构的化合物或其合适的衍生物的薄膜。 本发明还提供了包含具有上述结构的化合物或其合适的衍生物的液晶显示装置和非线性光学装置。 最后,本发明提供了一种实现高阶非线性电光响应的方法,包括将本发明化合物或其衍生物的合适样品与合适的光源接触。