申请人:Peng Xiaojun
公开号:US20110262904A1
公开(公告)日:2011-10-27
The present invention provides a category of cyanine dyes having the following general structural Formula I, wherein X is defined as C(CH
3
)
2
, O, S or Se; m is an integer from 1 to 18, R
1
and R
2
are each independently chosen from H, C
1-18
alkyl, OR
7
, C
1-6
alkyl-OR
7
or halogen; R
3
is pyrrolyl, imidazolyl, piperidinyl, piperazinyl, morpholinyl, guanidino, NHR
5
or N(R
6
)
2
; R
4
is C
1-18
alkyl, benzyl or (CH
2
)
m
R
3
; R
5
is saturated and/or unsaturated, straight-chained and/or branched-chained C
1-18
alkyl, hydroxy alkyl, mercapto-alkyl, amino alkyl, acyl, phenyl, naphthyl or benzyl; R
6
is a C
2-18
alkyl; R
7
is H or a C
1-18
alkyl; Y
−
is an anion. The mentioned compounds can be applied to staining biological samples, to the fields of nucleic acids labeling, blood cell analysis, clinical diagnosis, immunological assays and etc.