Quinacridone derivatives as labelling reagents for fluorescence detection of biological materials
申请人:GE Healthcare UK Limited
公开号:US07335771B2
公开(公告)日:2008-02-26
Disclosed are new quinacridone dye derivatives having characteristic fluorescence lifetimes. Also disclosed are methods for labelling target biological materials employing the quinacridone dyes and use of the labelled materials in biological assays. The quinacridone derivatives have the following structure:
in which Z1 and Z2 independently represent the atoms necessary to complete one ring, two fused ring, or three fused ring aromatic or heteroaromatic systems, each ring having five or six atoms selected from carbon atoms and optionally no more than two atoms selected from oxygen, nitrogen and sulphur; R3, R4, R5, R6, R7 and R8 are independently selected from hydrogen, halogen, amide, hydroxyl, cyano, nitro, mono- or di-nitro-substituted benzyl, amino, mono- or di-C1-C4 alkyl-substituted amino, sulphydryl, carbonyl, carboxyl, C1-C6 alkoxy, acrylate, vinyl, styryl, aryl, heteroaryl, C1-C20 alkyl, aralkyl, sulphonate, sulphonic acid, quaternary ammonium, the group -E-F and the group —(CH2—)nY; R1 and R2 are independently selected from hydrogen, mono- or di-nitro-substituted benzyl, C1-C20 alkyl, aralkyl, the group -E-F and the group —(CH2—)nY; E is a spacer group, F is a target bonding group; Y is selected from sulphonate, sulphate, phosphonate, phosphate, quaternary ammonium and carboxyl; and n is an integer from 1 to 6.
The invention also relates to a set of different fluorescent quinacridone dye derivatives, each dye having a different fluorescence lifetime, the set of dyes being particularly useful for multiparameter analysis.
本发明涉及具有特征性荧光寿命的新喹喔酮染料衍生物。还揭示了利用喹喔酮染料标记目标生物材料的方法,以及标记材料在生物测定中的使用。 喹喔酮衍生物具有以下结构:其中Z1和Z2分别代表完成一个环,两个融合环或三个融合环的芳香或杂芳香系统所必需的原子,每个环具有来自碳原子和可选的来自氧,氮和硫的不超过两个原子的五个或六个原子; R3,R4,R5,R6,R7和R8独立地选择自氢,卤素,酰胺,羟基,氰基,硝基,单取代或双取代苯基,氨基,单取代或双取代C1-C4烷基取代的氨基,巯基,羰基,羧基,C1-C6烷氧基,丙烯酸酯,乙烯基,苯乙烯基,芳基,杂芳基,C1-C20烷基,芳基烷基,磺酸盐,磺酸,季铵盐,-E-F基团和-(CH2-)nY基团; R1和R2独立地选择自氢,单取代或双取代苯基,C1-C20烷基,芳基烷基,-E-F基团和-(CH2-)nY基团; E是间隔基团,F是靶向配合基团; Y选择自磺酸盐,硫酸盐,膦酸盐,磷酸盐,季铵盐和羧基; n是1到6的整数。本发明还涉及一组不同的荧光喹喔酮染料衍生物,每种染料具有不同的荧光寿命,该染料组特别适用于多参数分析。