申请人:Lee Linda G.
公开号:US20090093623A1
公开(公告)日:2009-04-09
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.
披露了一组有用的荧光染料的4,7-二氯罗丹明化合物,具有以下结构式,其中R1-R6是氢、氟、氯、低烷基、低烯烃、低炔烃、磺酸盐、磺酮、氨基、酰胺、腈、低烷氧基、连接基或当一起取时,R1和R6是苯并或当一起取时,R4和R5是苯并;R7-R10、R12-R16和R18可以是氢、氟、氯、低烷基、低烯烃、低炔烃、磺酸盐、磺酮、氨基、酰胺、腈、低烷氧基、连接基;R11和R17可以是氢、低烷基、低烯烃、低炔烃、苯基、芳基、连接基;Y1-Y4可以是氢、低烷基或环烷基,或当一起取时,Y1和R2、Y2和R1、Y3和R3、和/或Y4和R4是丙烷基、乙烷基或其取代形式,X1-X3分别取氢、氯、氟、低烷基、羧酸盐、磺酸盐、羟甲基和连接基或其任意组合。在另一个方面,本发明包括标记有4,7-二氯罗丹明染料化合物的试剂,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。