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    • 1. 发明授权
    • Stable cystal of protected pseudouridine
    • 稳定的保护伪尿苷的晶体
    • US07968521B2
    • 2011-06-28
    • US11993011
    • 2006-06-21
    • Kenji Kitano
    • Kenji Kitano
    • A01N43/04A61K31/70C07H1/00C07H5/04
    • C07D405/04C07H7/06
    • A stable and high-purity protected pseudouridine in crystal form is provided represented by the following structural formula: wherein M represents a trityl group or a derivative thereof, which is a useful material for producing an RNA oligomer or a similar substance. A method for producing the crystalline protected pseudouridine is also provided, which method includes crystallizing a protected pseudouridine from a solution containing the protected pseudouridine, by use of an ester solvent and/or an alcoholic solvent. The method, which does not need a silica gel column treatment, can be performed in a simple manner, does not impose a load on the environment, and realizes low-cost production of a target crystalline protected pseudouridine.
    • 提供结晶形式的稳定和高纯度保护的假尿苷由以下结构式表示:其中M表示三苯甲基或其衍生物,其是用于生产RNA低聚物或类似物质的有用材料。 还提供了制备结晶保护的假尿苷的方法,该方法包括通过使用酯溶剂和/或醇溶剂从含有保护的假尿苷的溶液中结晶保护的假尿苷。 不需要硅胶柱处理的方法可以简单的方式进行,不会对环境造成负担,实现目标结晶保护的假尿苷的低成本生产。
    • 4. 发明申请
    • STABLE CYSTAL OF PROTECTED PSEUDOURIDINE
    • 保护性PSEUDOURIDINE稳定的CYSTAL
    • US20100216985A1
    • 2010-08-26
    • US11993011
    • 2006-06-21
    • Kenji Kitano
    • Kenji Kitano
    • C07H7/06
    • C07D405/04C07H7/06
    • A stable and high-purity protected pseudouridine in crystal form is provided represented by the following structural formula: wherein M represents a trityl group or a derivative thereof, which is a useful material for producing an RNA oligomer or a similar substance. A method for producing the crystalline protected pseudouridine is also provided, which method includes crystallizing a protected pseudouridine from a solution containing the protected pseudouridine, by use of an ester solvent and/or an alcoholic solvent. The method, which does not need a silica gel column treatment, can be performed in a simple manner, does not impose a load on the environment, and realizes low-cost production of a target crystalline protected pseudouridine.
    • 提供结晶形式的稳定和高纯度保护的假尿苷由以下结构式表示:其中M表示三苯甲基或其衍生物,其是用于生产RNA低聚物或类似物质的有用材料。 还提供了制备结晶保护的假尿苷的方法,该方法包括通过使用酯溶剂和/或醇溶剂从含有保护的假尿苷的溶液中结晶保护的假尿苷。 不需要硅胶柱处理的方法可以简单的方式进行,不会对环境造成负担,实现目标结晶保护的假尿苷的低成本生产。