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    • 17. 发明授权
    • Multi-mechanistic chemical cleavage using certain metal complexes
    • 使用某些金属络合物进行多机械化学裂解
    • US5798491A
    • 1998-08-25
    • US458347
    • 1995-06-02
    • Darren MagdaJonathan L. Sessler
    • Darren MagdaJonathan L. Sessler
    • C12N15/09A61K31/40A61K31/70A61K41/00A61K47/48A61K48/00A61K49/00A61P31/12A61P35/00B01J31/18C07D487/22C07H21/00C07H21/02C07H21/04C12N15/113C07B61/00
    • C12N15/113A61K41/0038A61K41/0042A61K41/0076A61K47/48069A61K49/0021B01J31/1815C07D487/22C07H21/00B01J2531/025B01J2531/36C12N2310/15C12N2310/321C12N2310/3511
    • The invention is directed to a particular class of metal complexes, specifically certain texaphyrin metal complexes, which both hydrolyze and photocleave RNA, and which also both hydrolyze RNA and photocleave DNA. In one embodiment, the present invention is directed to a method for both hydrolyzing and photocleaving a polymer of ribonucleic acid, the method comprising the steps of contacting the polymer of ribonucleic acid with a texaphyrin metal complex exhibiting catalytic activity for both hydrolysis and photocleavage of ribonucleic acid polymers, incubating the polymer and the metal complex under conditions and for a time sufficient to hydrolyze the phosphate ester bond of the polymer, and exposing the texaphyrin metal complex to light for a time sufficient to photocleave the polymer. In another embodiment of the present invention, the invention is directed to a method for both hydrolyzing a polymer of ribonucleic acid and photocleaving a polymer of deoxyribonucleic acid, the method comprising the steps of contacting a mixture of the ribonucleic acid polymer and the deoxyribonucleic acid polymer with a texaphyrin metal complex exhibiting catalytic activity for both hydrolysis of ribonucleic acid polymers and photocleavage of deoxyribonucleic acid polymers, incubating the polymer mixture and the metal complex under conditions and for a time sufficient to hydrolyze the phosphate ester bond of the ribonucleic acid polymer, and exposing the texaphyrin metal complex to light for a time sufficient to photocleave the deoxyribonucleic acid polymer.
    • 本发明涉及特定类别的金属络合物,特别是某些泰克萨菲瑞金属络合物,它们水解和脱色RNA,并且还水解RNA和光切割DNA。 在一个实施方案中,本发明涉及水解和光切割核糖核酸聚合物的方法,所述方法包括以下步骤:使核糖核酸的聚合物与表现出用于核糖核酸的水解和光切割的催化活性的泰克萨菲瑞金属络合物 酸性聚合物,在足以水解聚合物的磷酸酯键的条件和时间下孵育聚合物和金属络合物,并将泰克萨菲瑞金属络合物暴露于光下足以使聚合物光滑的时间。 在本发明的另一个实施方案中,本发明涉及水解核糖核酸聚合物和光切割脱氧核糖核酸聚合物的方法,该方法包括以下步骤:使核糖核酸聚合物和脱氧核糖核酸聚合物 具有表现出对核糖核酸聚合物的水解和脱氧核糖核酸聚合物的光切割的催化活性的特沙弗林金属络合物,在足以水解核糖核酸聚合物的磷酸酯键的条件和时间下孵育聚合物混合物和金属络合物,以及 将泰克萨菲芬金属络合物曝光一段足以使脱氧核糖核酸聚合物光滑的时间。