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    • 14. 发明授权
    • Ion triggered alkylation of biological targets by silyloxy aromatic
agents
    • 离子触发由甲硅烷氧基芳香剂引发生物靶标的烷基化
    • US5493012A
    • 1996-02-20
    • US71116
    • 1993-06-02
    • Steven E. RokitaTianhu LiQingping Zeng
    • Steven E. RokitaTianhu LiQingping Zeng
    • C07D207/404C07F7/18C07H19/04C07H21/00C07H23/00C07H21/04
    • C07D207/404C07F7/1852C07F7/1856C07H21/00C07H23/00
    • A silyloxy aromatic derivative capable of alkylating a target biological molecule when activated by ionic strength. A sequence directed reagent may be constructed by conjugating a methyl silyloxy aromatic derivative to a hexamethyiamino linker attached to either the 5' or 3' terminus of an oligonucleotide. Annealing this modified fragment of DNA to its complementary sequence allows for target modification subsequent to ionic activation. The product of this reaction is a covalent crosslink between the reagent and target strands resulting from an alkylation of DNA by the activated silyloxy aromatic derivative. In a preferred embodiment, a nitrophenyl or bromo group is attached to a methyl group of the silyloxy aromatic derivative. This reagent may be similarly linked to an oligonucleotide probe. Activation of the alkylating agent by an ionic signal (X) which may naturally occur, or may be introduced into the media containing the target molecule, such as by the introduction of a salt (MX).
    • 当通过离子强度活化时,能够将靶生物分子烷基化的甲硅烷氧基芳族衍生物。 序列导向试剂可以通过将甲基甲硅烷氧基芳族衍生物与连接于寡核苷酸的5'或3'末端的六甲基氨基接头缀合来构建。 将该修饰的DNA片段退火至其互补序列允许在离子活化后进行靶修饰。 该反应的产物是由活化的甲硅烷氧基芳族衍生物的DNA烷基化产生的试剂和靶链之间的共价交联。 在优选的实施方案中,硝基苯基或溴基连接到甲硅烷氧基芳族衍生物的甲基上。 该试剂可以类似地连接到寡核苷酸探针。 通过离子信号(X)活化烷基化剂,其可以天然存在,或者可以通过引入盐(MX)引入含有靶分子的介质中。
    • 19. 发明授权
    • Ion triggered alkylation of biological targets by silyloxy aromatic
agents
    • 离子触发由甲硅烷氧基芳香剂引发生物靶标的烷基化
    • US5831073A
    • 1998-11-03
    • US603221
    • 1996-02-20
    • Steven E. RokitaTianhu LiQingping Zeng
    • Steven E. RokitaTianhu LiQingping Zeng
    • C07D207/404C07F7/18C07H19/04C07H21/00C07H23/00
    • C07F7/1852C07D207/404C07F7/1856C07H21/00C07H23/00
    • A silyloxy aromatic derivative capable of alkylating a target biological molecule when activated by ionic strength. A sequence directed reagent may be constructed by conjugating a methyl silyloxy aromatic derivative to a hexamethylamino linker attached to either the 5' or 3' terminus of an oligonucleotide. Annealing this modified fragment of DNA to its complementary sequence allows for target modification subsequent to ionic activation. The product of this reaction is a covalent crosslink between the reagent and target strands resulting from an alkylation of DNA by the activated silyloxy aromatic derivative. In a preferred embodiment, a nitrophenyl or bromo group is attached to a methyl group of the silyloxy aromatic derivative. This reagent may be similarly linked to an oligonucleotide probe. Activation of the alkylating agent by an ionic signal (X) which may naturally occur, or may be introduced into the media containing the target molecule, such as by the introduction of a salt (MX).
    • 当通过离子强度活化时,能够将靶生物分子烷基化的甲硅烷氧基芳族衍生物。 序列导向的试剂可以通过将甲基甲硅烷氧基芳族衍生物与连接到寡核苷酸的5'或3'末端的六甲基氨基接头共轭来构建。 将该修饰的DNA片段退火至其互补序列允许在离子活化后进行靶修饰。 该反应的产物是由活化的甲硅烷氧基芳族衍生物的DNA烷基化产生的试剂和靶链之间的共价交联。 在优选的实施方案中,硝基苯基或溴基连接到甲硅烷氧基芳族衍生物的甲基上。 该试剂可以类似地连接到寡核苷酸探针。 通过离子信号(X)活化烷基化剂,其可以天然存在,或者可以通过引入盐(MX)引入含有靶分子的介质中。