申请人:MITSUBISHI CHEMICAL CORPORATION
公开号:EP0845457A1
公开(公告)日:1998-06-03
2,2-Dideutero-5-aminolevulinic acid or its salt, or a hydrate or a solvate thereof, preferably 2,2-dideutero-5-aminolevulinic acid hydrochloride, and a process for preparing 2,2-dideutero-5-aminolevulinic acid are provided. The 2,2-Dideutero-5-aminolevulinic acid provided by the present invention is useful as a contrast medium for MRI diagnosis.
本发明提供了2,2-二丁ero-5-氨基乙酰丙酸或其盐,或其水合物或溶液,优选2,2-二丁ero-5-氨基乙酰丙酸盐酸盐,以及制备2,2-二丁ero-5-氨基乙酰丙酸的工艺。本发明提供的 2,2-二脱氢-5-氨基乙酰丙酸可用作核磁共振成像诊断的造影剂。