申请人:The Perkin-Elmer Corporation
公开号:US06080852A1
公开(公告)日:2000-06-27
A set of 4,7-dichlororhodamine compounds useful as fluorescent dyes are disclosed having the structures ##STR1## wherein R.sub.1 -R.sub.6 are hydrogen, fluorine, chlorine, lower alkyl, lower alkene, lower alkyne, sulfonate, sulfone, amino, amido, nitrite, lower alkoxy, linking group, or, when taken together, R.sub.1 and R.sub.6 is benzo, or, when taken together, R.sub.4 and R.sub.5 is benzo; R.sub.7 -R.sub.10, R.sub.12 -R.sub.16 and R.sub.18 may be hydrogen, fluorine, chlorine, lower alkyl, lower alkene, lower alkyne, sulfonate, sulfone, amino, amido, nitrite, lower alkoxy, linking group; R.sub.11 and R.sub.17 may be hydrogen, lower alkyl, lower alkene, lower alkyne, phenyl, aryl, linking group; Y.sub.1 -Y.sub.4 are hydrogen, lower alkyl, or cycloalkyl, or, when taken together, Y.sub.1 and R.sub.2, Y.sub.2 and R.sub.1 Y.sub.3 and R.sub.3, and/or Y.sub.4 and R.sub.4 is propano, ethano, or substituted forms thereof, and X.sub.1 -X.sub.3 taken separately are hydrogen, chlorine, fluorine, lower alkyl, carboxylate, sulfonate, hydroxymethyl, and linking group, or any combinations thereof. In another aspect, the invention includes reagents labeled with the 4,7-dichlororhodamine dye compounds, including deoxynucleotides, dideoxynucleotides, and polynucleotides. In an additional aspect, the invention includes methods utilizing such dye compounds and reagents including dideoxy polynucleotide sequencing and fragment analysis methods.
揭示了一组作为荧光染料有用的4,7-二氯罗丹明化合物,其结构如下:其中R.sub.1 -R.sub.6为氢、氟、氯、低烷基、低烯烃、低炔烃、磺酸酯、亚砜、氨基、酰胺、亚硝基、低烷氧基、连接基,或者当一起取时,R.sub.1 和 R.sub.6 为苯并,或者当一起取时,R.sub.4 和 R.sub.5 为苯并;R.sub.7 -R.sub.10、R.sub.12 -R.sub.16 和 R.sub.18 可为氢、氟、氯、低烷基、低烯烃、低炔烃、磺酸酯、亚砜、氨基、酰胺、亚硝基、低烷氧基、连接基;R.sub.11 和 R.sub.17 可为氢、低烷基、低烯烃、低炔烃、苯基、芳基、连接基;Y.sub.1 -Y.sub.4 可为氢、低烷基或环烷基,或者当一起取时,Y.sub.1 和 R.sub.2、Y.sub.2 和 R.sub.1、Y.sub.3 和 R.sub.3,和/或 Y.sub.4 和 R.sub.4 为丙烷基、乙烷基或其取代形式,X.sub.1 -X.sub.3 分别取为氢、氯、氟、低烷基、羧酸酯、磺酸酯、羟甲基和连接基,或其任意组合。在另一个方面,该发明包括用4,7-二氯罗丹明染料化合物标记的试剂,包括脱氧核苷酸、二脱氧核苷酸和多核苷酸。在另一个方面,该发明包括利用这种染料化合物和试剂的方法,包括二脱氧多核苷酸测序和片段分析方法。