Non-fluorescent asymmetric cyanine dye compounds useful for quenching reporter dyes
First Claim
Patent Images
1. A compound of formula (I):
-
alone or in combination with a counterion thereof, wherein;
p is 0 or 1;
n is 0 or 1;
X is S, Se or O;
N1 is nitrogen;
Z is selected from the group consisting of;
either;
(a) R2 is A, Y1 is H, and R1 is —
L—
Rx, or (b) R2 is —
L—
Rx, and;
(i) R1 is A, or p3 (ii) p is 1, and R1 and Y1 taken together are (CH2)q;
A is selected from the group consisting of alkyl, aryl, —
CH2aryl, and —
(CH2)mN+(CH3)3;
L is selected from the group consisting of a bond, alkyldiyl, substituted alkyldiyl, alkyleno, substituted alkyleno, heteroalkyldiyl, substituted heteroalkyldiyl, heteroalkyleno, substituted heteroalkyleno, acyclic heteroatomic bridge, aryldiyl, substituted aryldiyl, arylaryldiyl, substituted arylaryldiyl, arylalkyldiyl, substituted arylalkyldiyl, heteroaryldiyl, substituted heteroaryldiyl, heteroaryl-heteroaryldiyl, substituted heteroaryl-heteroaryldiyl, heteroarylalkyldiyl, substituted heteroarylalkyldiyl, heteroaryl-heteroalkyldiyl, and substituted heteroaryl-heteroalkyldiyls;
said heteroalkyldiyl being an alkyldiyl group containing one or more —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, or —
S(O)2—
groups, said R′
being independently hydrogen or (C1-C6) alkyl;
said heteroalkyleno being an alkyleno group containing one or more —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, or —
S(O)2—
groups, said R′
being independently hydrogen or (C1-C6 ) alkyl;
said acyclic heteroatomic bridge being selected from the group consisting of —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, and —
S(O)2—
, wherein R′
is independently hydrogen or (C1-C6 alkyl);
said heteroaryldiyl being a divalent radical derived from a compound selected from the group consisting of acridine, arsindole, carbazole, β
-carboline, chromane, chromene, cinnoline, furan, imidazole, indazole, indole, indoline, indolizine, isobenzofuran, isochromene, isoindole, isoindoline, isoquinoline, isothiazole, isoxazole, naphthyridine, oxadiazole, oxazole, perimidine, phenanthridine, phenanthroline, phenazine, phthalazine, pteridine, purine, pyran, pyrazine, pyrazole, pyridazine, pyridine, pyrimidine, pyrrole, pyrrolizine, quinazoline, quinoline, quinolizine, quinoxaline, tetrazole, thiadiazole, thiazole, thiophene, triazole and xanthene;
said heteroaryl being a monovalent radical derived from a compound selected from the group consisting of acridine, arsindole, carbazole, β
-carboline, chromane, chromene, cinnoline, furan, imidazole, indazole, indole, indoline, indolizine, isobenzofuran, isochromene, isoindole, isoindoline, isoquinoline, isothiazole, isoxazole, naphthyridine, oxadiazole, oxazole, perimidine, phenanthridine, phenanthroline, phenazine, phthalazine, pteridine, purine, pyran, pyrazine, pyrazole, pyridazine, pyridine, pyrimidine, pyrrole, pyrrolizine, quinazoline, quinoline, quinolizine, quinoxaline, tetrazole, thiadiazole, thiazole, thiophene, triazole and xanthene;
Rx is selected from the group consisting of acrylamide, acyl azide, acyl nitrile, acyl halide, aldehyde, alkyl halide, amine, anhydride, aniline, aryl halide, azide, aziridine, boronate, carboxylic acid, —
COO−
M+ wherein M+ is a counterion, diazoalkane, haloacetamide, halotriazine, hydrazine, —
CO(oxysuccinimidyl), —
CO(oxysulfosuccinimidyl), —
CO(oxybenzotriazoyl), isocyanate, isothiocyanate, maleimide, phosphoramidite, sulfonyl halide, thiol, and azidoperfluorobenzamido;
q is an integer ranging from 2 to 4;
each m is independently an integer ranging from 2 to 12;
A or (CH2)q is unsubstituted or independently substituted with one or more of the same or different —
NO2, —
OH, alkoxy, —
COOH, —
COOC1-C4 alkyl, —
NHCHO, —
NHCOC1-C4alkyl, —
NHCOCH3, —
NHCOCH2Cl, —
NHCOCHCl2, —
NHCOCCl3, —
NHCOCF3, —
NHCOCH2C6H4-o-NO2, —
NHCOCH2OC6H4-o-NO2, —
NHCOCH2COCH3, —
NHCOCH2—
N+C5H5Cl−
, —
NHCOCH2NHCS2CH2C6H5, —
NHCOCH2CH2C6H5, —
NHCOCH2CH2C6H4-p-OH, —
NHCOCH2CH2C6H4—
o—
NO2, —
NHCOC(CH3)2OC6H4-o-NO2, —
NHCOC(CH3)2OC6H4-o-N═
NC6H5, —
NHCO(CH2)3Cl, —
NHCOCH(CH3)2, —
NHCOCH═
CHC6H4-o-NO2, or —
NHCO-2-pyridyl groups;
either;
(a) R3, R5 and R6 are H and R4 is —
NO2;
or (b) R3 and R4 taken together form a benzo group substituted with one or two —
NO2 groups and R5 and R6 are hydrogen;
or (c) R4 and R5 taken together form a benzo group substituted with one or two —
NO2 groups and R3 and R6 are hydrogen;
or (d) R5 and R6 taken together form a benzo group substituted with one or two —
NO2 groups and R3 and R4 are hydrogen; and
with the proviso that when R1 in the compounds of formula (I) has an sp3 hybridized carbon atom that is covalently attached to N1, then that carbon atom is methyl or, when substituted, primary, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
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Abstract
The invention provides asymmetric cyanine dye compounds having the general formula:
including substituted forms thereof, which are non-fluorescent quencher molecules. The invention further provides reporter-quencher dye pairs, wherein the asymmetric cyanine dyes are the quenchers, polynucleotides incorporating the asymmetric cyanine dyes, and nucleic acid hybridization detection methods utilizing the dye-labeled polynucleotides.
124 Citations
28 Claims
-
1. A compound of formula (I):
-
alone or in combination with a counterion thereof, wherein; p is 0 or 1;
n is 0 or 1;
X is S, Se or O;
N1 is nitrogen;
Z is selected from the group consisting of;
either;
(a) R2 is A, Y1 is H, and R1 is —
L—
Rx, or(b) R2 is —
L—
Rx, and;
(i) R1 is A, or p3 (ii) p is 1, and R1 and Y1 taken together are (CH2)q;
A is selected from the group consisting of alkyl, aryl, —
CH2aryl, and —
(CH2)mN+(CH3)3;
L is selected from the group consisting of a bond, alkyldiyl, substituted alkyldiyl, alkyleno, substituted alkyleno, heteroalkyldiyl, substituted heteroalkyldiyl, heteroalkyleno, substituted heteroalkyleno, acyclic heteroatomic bridge, aryldiyl, substituted aryldiyl, arylaryldiyl, substituted arylaryldiyl, arylalkyldiyl, substituted arylalkyldiyl, heteroaryldiyl, substituted heteroaryldiyl, heteroaryl-heteroaryldiyl, substituted heteroaryl-heteroaryldiyl, heteroarylalkyldiyl, substituted heteroarylalkyldiyl, heteroaryl-heteroalkyldiyl, and substituted heteroaryl-heteroalkyldiyls;
said heteroalkyldiyl being an alkyldiyl group containing one or more —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, or —
S(O)2—
groups, said R′
being independently hydrogen or (C1-C6) alkyl;
said heteroalkyleno being an alkyleno group containing one or more —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, or —
S(O)2—
groups, said R′
being independently hydrogen or (C1-C6 ) alkyl;
said acyclic heteroatomic bridge being selected from the group consisting of —
O—
, —
O—
O—
, —
S—
, —
S—
S—
, —
O—
S—
, —
O—
NR′
—
, —
NR′
—
, NR′
—
NR′
—
, ═
N═
N═
, —
N═
N—
, —
N—
O—
N—
, —
NR′
—
N═
N—
, —
PH—
, —
SH2—
, and —
S(O)2—
, wherein R′
is independently hydrogen or (C1-C6 alkyl);
said heteroaryldiyl being a divalent radical derived from a compound selected from the group consisting of acridine, arsindole, carbazole, β
-carboline, chromane, chromene, cinnoline, furan, imidazole, indazole, indole, indoline, indolizine, isobenzofuran, isochromene, isoindole, isoindoline, isoquinoline, isothiazole, isoxazole, naphthyridine, oxadiazole, oxazole, perimidine, phenanthridine, phenanthroline, phenazine, phthalazine, pteridine, purine, pyran, pyrazine, pyrazole, pyridazine, pyridine, pyrimidine, pyrrole, pyrrolizine, quinazoline, quinoline, quinolizine, quinoxaline, tetrazole, thiadiazole, thiazole, thiophene, triazole and xanthene;
said heteroaryl being a monovalent radical derived from a compound selected from the group consisting of acridine, arsindole, carbazole, β
-carboline, chromane, chromene, cinnoline, furan, imidazole, indazole, indole, indoline, indolizine, isobenzofuran, isochromene, isoindole, isoindoline, isoquinoline, isothiazole, isoxazole, naphthyridine, oxadiazole, oxazole, perimidine, phenanthridine, phenanthroline, phenazine, phthalazine, pteridine, purine, pyran, pyrazine, pyrazole, pyridazine, pyridine, pyrimidine, pyrrole, pyrrolizine, quinazoline, quinoline, quinolizine, quinoxaline, tetrazole, thiadiazole, thiazole, thiophene, triazole and xanthene;
Rx is selected from the group consisting of acrylamide, acyl azide, acyl nitrile, acyl halide, aldehyde, alkyl halide, amine, anhydride, aniline, aryl halide, azide, aziridine, boronate, carboxylic acid, —
COO−
M+ wherein M+ is a counterion, diazoalkane, haloacetamide, halotriazine, hydrazine, —
CO(oxysuccinimidyl), —
CO(oxysulfosuccinimidyl), —
CO(oxybenzotriazoyl), isocyanate, isothiocyanate, maleimide, phosphoramidite, sulfonyl halide, thiol, and azidoperfluorobenzamido;
q is an integer ranging from 2 to 4;
each m is independently an integer ranging from 2 to 12;
A or (CH2)q is unsubstituted or independently substituted with one or more of the same or different —
NO2, —
OH, alkoxy, —
COOH, —
COOC1-C4 alkyl, —
NHCHO, —
NHCOC1-C4alkyl, —
NHCOCH3, —
NHCOCH2Cl, —
NHCOCHCl2, —
NHCOCCl3, —
NHCOCF3, —
NHCOCH2C6H4-o-NO2, —
NHCOCH2OC6H4-o-NO2, —
NHCOCH2COCH3, —
NHCOCH2—
N+C5H5Cl−
, —
NHCOCH2NHCS2CH2C6H5, —
NHCOCH2CH2C6H5, —
NHCOCH2CH2C6H4-p-OH, —
NHCOCH2CH2C6H4—
o—
NO2, —
NHCOC(CH3)2OC6H4-o-NO2, —
NHCOC(CH3)2OC6H4-o-N═
NC6H5, —
NHCO(CH2)3Cl, —
NHCOCH(CH3)2, —
NHCOCH═
CHC6H4-o-NO2, or —
NHCO-2-pyridyl groups;
either;
(a) R3, R5 and R6 are H and R4 is —
NO2;
or(b) R3 and R4 taken together form a benzo group substituted with one or two —
NO2 groups and R5 and R6 are hydrogen;
or(c) R4 and R5 taken together form a benzo group substituted with one or two —
NO2 groups and R3 and R6 are hydrogen;
or(d) R5 and R6 taken together form a benzo group substituted with one or two —
NO2 groups and R3 and R4 are hydrogen; and
with the proviso that when R1 in the compounds of formula (I) has an sp3 hybridized carbon atom that is covalently attached to N1, then that carbon atom is methyl or, when substituted, primary, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
4. The compound of claim 1, wherein the compound is of the formula (XII):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
5. The compound of claim 4, wherein the compound is of the formula (XIII):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
6. The compound of claim 4, wherein the compound is of the formula (XIV):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
7. The compound of claim 1, wherein the compound is of the formula (XV):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
8. The compound of claim 1, wherein the compound is of the formula (XVI):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
9. The compound of claim 1, wherein the compound is of the formula (XVII):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
10. The compound of claim 1, wherein the compound is of the formula
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups. -
11. The compound of claim 1, wherein the compound is of the formula (XIX):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
12. The compound of claim 1, wherein the compound is of the formula (XX):
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
13. The compound of claim 1, wherein —
- L—
Rx is amine or lower alkylcarboxy.
- L—
-
14. The compound of claim 1, wherein one of R1 and R2 is —
- (CH2)mN+(CH3)3 and the other of R1 and R2 is —
L—
Rx.
- (CH2)mN+(CH3)3 and the other of R1 and R2 is —
-
15. The compound of claim 1, wherein —
- L—
Rx is —
(CH2)mN+(CH3)2(CH2)mCO2H.
- L—
-
16. The compound of claim 1, wherein X is sulfur.
-
17. The compound of claim 1, wherein q is 2.
-
18. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
19. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
20. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
21. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
22. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
23. The compound of claim 4 having the structure:
-
alone or in combination with a counterion thereof, or to which is attached one or more hydroxyl, phenol, catechol, carbonyl, carboxyl, thiol or amino protecting groups.
-
-
24. A composition comprising a reporter dye having a chromophore that, when exposed to radiation, emits radiation detectable by spectroscopic means, and a compound according to claim 1.
-
25. The composition according to claim 24, wherein the reporter dye is selected from the group consisting of xanthene, coumarin, napthylamine, cyanine, and BODIPY™
- dyes.
-
26. The composition according to claim 25, wherein the reporter dye is a xanthene dye.
-
27. The composition according to claim 26, wherein the xanthene dye is selected from the group consisting of a fluorescein dye and a rhodamine dye.
-
28. The composition according to claim 24, wherein the chromophore is selected from the group consisting of
wherein R is N or O.
Specification