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    • 1. 发明专利
    • Method for producing composition, composition and use of the same
    • 生产组合物,组合物及其用途的方法
    • JP2012236832A
    • 2012-12-06
    • JP2012156109
    • 2012-07-12
    • Ge Healthcare Asジーイー・ヘルスケア・アクスイェ・セルスカプ
    • THANING MIKKELARDENKJAER-LARSEN JAN HENRIKWOLBER JANLERCHE MATHILDEZANDT RENE
    • C07D519/00A61K49/00C07B59/00C07B60/00C07C51/41C07C59/19C07D495/04
    • A61K49/1815A61K49/10C07D519/00G01N24/00
    • PROBLEM TO BE SOLVED: To provide an improved method for producing a liquid composition containing a hyperpolarizedC-pyruvate salt, capable of obtaining the hyperpolarizedC-pyruvate salt having a very high polarization level, and a composition especially suitable for MR tumor imaging in a living body.SOLUTION: This method for producing the liquid composition containing the hyperpolarizedC-pyruvate salt is provided by comprising (a) a process of forming the liquid composition containing a radical expressed by formula (I),C-pyruvic acid and/orC-pyruvate salt, and freezing the composition, (b) a process of increasing theC nuclear polarization in the pyruvic acid and/or pyruvate salt contained in the mixture by DNP, (c) a process of obtaining the liquid composition by adding buffer liquid and a base to the frozen composition and thawing to convert theC-pyruvic acid toC-pyruvate salt, or when in the (a), only theC-pyruvic acid is used, by adding buffer solution to the frozen composition and thawing to obtain the liquid composition, and (d) a process of properly removing the radical and/or its reaction product from the liquid composition.
    • 要解决的问题:为了提供一种改进的制备含有超极化 C>丙酮酸盐的液体组合物的方法,该方法能够获得超极化解决方案:制备含有超极化 C 13丙酮酸盐的液体组合物的方法通过包括(a)形成含有基团表达的基团的液体组合物的方法来提供 通过式(I),C-丙酮酸盐和/或C-丙酮酸盐,并将组合物冷冻( b)通过DNP增加混合物中所含的丙酮酸和/或丙酮酸盐中的核极化的方法,(c)通过以下步骤获得液体组合物的方法: 向冷冻组合物中加入缓冲液和碱,并解冻以将β-丙酮酸转化为β-丙酮酸盐 ,或者(a)中,只有在冷冻组合物中加入缓冲溶液并解冻得到液体组合物,才使用[d] )从液体组合物中适当地除去基团和/或其反应产物的方法 灰。 版权所有(C)2013,JPO&INPIT