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    • 9. 发明授权
    • Fluorinated π-bridge second order nonlinear optical chromophores and electro-optic devices therefrom
    • 氟化pi桥二阶非线性光学发色团和电光器件
    • US07109355B2
    • 2006-09-19
    • US10757375
    • 2004-01-14
    • Diyun Huang
    • Diyun Huang
    • C07D333/32
    • C07D409/06C07D333/38C07D495/04G02F1/3614G02F1/3617
    • A nonlinear optical chromophore having the formula D-π-A, wherein π is a π bridge including a thiophene ring having oxygen atoms bonded directly to the 3 and 4 positions of the thiophene ring, D is a donor, A is an acceptor, and the oxygen atoms are further substituted with a fluorinated group comprising at least three fluorines is described. Some examples of fluorinated groups comprising at least three fluorine atoms are 2,2,2-trifluoroethyl; 2,2,3,3,3-pentafluoropropyl; 2,2,3,3,4,4,4-heptafluorobutyl; 2,2,3,3,4,4,5,5,5-octafluoropentyl; 3,3,4,4,-5,5,6,6,7,7,8,8,8-tridecafluoro-1-octyl; 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8 -pentadecafluorooctyl; 1-trifluoromethyl-2,2,2-trifluoroethyl; 1-trifluoromethyl-2,2,3,3,3 -pentafluoropropyl; 2,3,4,5,6-pentafluorobenzyl; and (2,3,4,5,6-pentafluorophenyl)ethyl.
    • 具有式D-pi-A的非线性光学发色团,其中p1是包括具有氧原子的噻吩环直接连接到噻吩环的3和4位的π桥,D是供体,A是受体,和 氧原子进一步被包含至少三个氟的氟化基团取代。 包含至少三个氟原子的氟化基团的一些实例是2,2,2-三氟乙基; 2,2,3,3,3-五氟丙基; 2,2,3,3,4,4,4-七氟丁基; 2,2,3,3,4,4,5,5,5-八氟戊基; 3,3,4,4,5,5,6,6,7,7,8,8-十三氟-1-辛基; 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-十九氟辛基; 1-三氟甲基-2,2,2-三氟乙基; 1-三氟甲基-2,2,3,3,3-五氟丙基; 2,3,4,5,6-五氟苄基; 和(2,3,4,5,6-五氟苯基)乙基。