申请人:Lee G. Linda
公开号:US20050112781A1
公开(公告)日:2005-05-26
A set of 4,7-dichlororhodamine compounds useful as fluorescent dyes are disclosed having the structures
wherein R
1
-R
6
are hydrogen, fluorine, chlorine, lower alkyl, lower alkene, lower alkyne, sulfonate, sulfone, amino, amido, nitrile, lower alkoxy, linking group, or, when taken together, R
1
and R
6
is benzo, or, when taken together, R
4
and R
5
is benzo; R
7
-R
10
, R
12
-R
16
and R
18
may be hydrogen, fluorine, chlorine, lower alkyl, lower alkene, lower alkyne, sulfonate, sulfone, amino, amido, nitrile, lower alkoxy, linking group; R
11
and R
17
may be hydrogen, lower alkyl, lower alkene, lower alkyne, phenyl, aryl, linking group; Y
1
-Y
4
are hydrogen, lower alkyl, or cycloalkyl, or, when taken together, Y
1
and R
2
, Y
2
and R
1
Y
3
and R
3
, and/or Y
4
and R
4
is propano, ethano, or substituted forms thereof, and X
1
-X
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.
本文披露了一组4,7-二氯罗丹明化合物的结构,可用作荧光染料,其中R1-R6为氢、氟、氯、较低烷基、较低烯烃、较低炔烃、磺酸酯、砜、氨基、酰胺、腈、较低烷氧基、连接基或在一起时,R1和R6为苯并或在一起时,R4和R5为苯并;R7-R10、R12-R16和R18可以是氢、氟、氯、较低烷基、较低烯烃、较低炔烃、磺酸酯、砜、氨基、酰胺、腈、较低烷氧基、连接基;R11和R17可以是氢、较低烷基、较低烯烃、较低炔烃、苯基、芳基、连接基;Y1-Y4可以是氢、较低烷基或环烷基,或在一起时,Y1和R2、Y2和R1、Y3和R3和/或Y4和R4为丙烷、乙烷或其取代形式,而X1-X3单独取为氢、氯、氟、较低烷基、羧酸盐、磺酸盐、羟甲基和连接基,或任何组合。在另一个方面,本发明还包括用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,本发明还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。