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。