申请人:JOHNSON MATTHEY PUBLIC LIMITED COMPANY
公开号:EP0569132A1
公开(公告)日:1993-11-10
The ligand L, (R³)(R⁴)(R⁵)C-N(R)-C(R¹)(R²)-(CH₂)n-COOH L where R is hydrogen, hydroxy, alkyl, hydroxyalkyl, or alkylcarboxy, or R and R¹ together may form a mono-. di-. tri-. or tetra-methylene radical, or R and R³ together may form a mono-, di- tri-. or tetra-methylene radical, and R¹ and R₂ may be the same or different and are selected from hydrogen, hydroxy, alkyl, hydroxyalkyl, carboxy, alkylcarboxy, alkylamine, alkylthiol, aryl or R¹ and R² together may form a tetra- or penta-methylene radical, and R³ and R⁴ and R⁵ may be the same or different and are selected from hydrogen. hydroxy, alkyl, hydroxyalkyl, carboxy, alkylcarboxy, provided that at least one of R³, R⁴ and R⁵ is hydroxyalkyl, and n is equal to 0, 1 or 2, for example tricine, form useful complexes with 99mTc, for radiolabelling macromolecules such as monoclonal antibodies.
配体 L、(R³)(R⁴)(R⁵)C-N(R)-C(R¹)(R²)-(CH₂)n-COOH L 其中 R 是氢、羟基、烷基、羟基烷基或烷基羧基,或者 R 和 R¹ 一起可形成单、二、三或四亚甲基基,或者 R 和 R³ 一起可形成单、二、三或四亚甲基基,而 R¹ 和 R₂ 可以相同或不同,并选自氢、羟基、烷基、羟基烷基、羧基、烷基羧基。R¹和R₂可以相同或不同,并且选自氢、羟基、烷基、羟基烷基、羧基、烷基羧基、烷基胺、烷基硫醇、芳基,或者R¹和R²一起可以形成四亚甲基或五亚甲基基,R³和R⁴和R⁵可以相同或不同,并且选自氢、羟基、烷基、羟基烷基、烷基羧基、烷基胺、烷基硫醇、芳基。羟基、烷基、羟烷基、羧基、烷基羧基,条件是 R³、R⁴ 和 R⁵ 中至少有一个是羟烷基,且 n 等于 0、1 或 2,例如三嗪,可与 99mTc 形成有用的复合物,用于大分子(如单克隆抗体)的放射性标记。