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Patent US4844841A successfully refreshed from Google Patents.
US4844841A
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Pyrenexulfonic acids useful in fluorescent lipid probes
Assignee: Individual
•
Filing: 1987-09-11
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Granted: 1989-07-04
•
Expires: 2007-09-11
Abstract
Abstract Compounds of formula ##STR1## wherein X is long-chain alkyloxy, long-chain alkylamino or long-chain dialkylamino, M is alkali metal, pyridinium or ammonium, Y is hydroxy or long-chain alkyloxy, which are especially useful in photometric and fluorimetric investigations of lipids and lipid-water interactions and of cationic biomolecules such as nicotine adenine dinucleotide.
Inventors
- 👤 Ernst Koller
- 👤 Otto S. Wolfbeis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:06
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/33; C07C309/38; C07C309/41; C07C2603/00; C07C2603/02; C07C2603/40; C07C2603/42; C07C2603/50
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
54 words
A compound having the formula ##STR6## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 2
Dependent Claim
54 words
A compound having the formula ##STR6## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 3
Dependent Claim
54 words
A compound having the formula ##STR7## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 4
Dependent Claim
54 words
A compound having the formula ##STR7## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 5
Dependent Claim
54 words
A compound having the formula ##STR8## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 6
Dependent Claim
54 words
A compound having the formula ##STR8## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 7
Dependent Claim
54 words
A compound having the formula ##STR9## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 8
Dependent Claim
54 words
A compound having the formula ##STR9## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 9
Dependent Claim
54 words
A compound having the formula ##STR10## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 10
Dependent Claim
54 words
A compound having the formula ##STR10## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 11
Dependent Claim
32 words
The compound of claim 1 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chloro-decyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical and M is sodium.
Claim 12
Dependent Claim
68 words
A compound have the formula ##STR11## wherein R 1 is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyloxy, alkenyloxy, arylalkyloxy, alkylamino, alkenyl-amino, dialkylamino, and dialkenylamino radical which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine, or sulfonato groups; R 2 is a hydroxy or sulfonato group; and M is chosen from the group consisting of alkali metal, pyridinium, and ammonium.
Claim 13
Dependent Claim
68 words
A compound have the formula ##STR11## wherein R 1 is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyloxy, alkenyloxy, arylalkyloxy, alkylamino, alkenyl-amino, dialkylamino, and dialkenylamino radical which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine, or sulfonato groups; R 2 is a hydroxy or sulfonato group; and M is chosen from the group consisting of alkali metal, pyridinium, and ammonium.
Claim 14
Dependent Claim
32 words
The compound of claim 7 wherein: R 1 is chosen from the group consisting of decyloxy, dodecyloxy, tetradecyloxy, hexadecyloxy, octadecyloxy, 10-carboxy-decyloxy, 14-carboxy-tetradecyloxy, 10-ethoxycarbonyldecyloxy, 14-methoxycarbonyl-tetradecyloxy, 12-bromododecyloxy, and 14-hydroxy-tetradecyloxy radical; and M is sodium.
Claim 15
Dependent Claim
32 words
The compound of claim 7 wherein: R 1 is chosen from the group consisting of a decylamino, didecylamino, dodecylamino, didodecylamino, tetradecylamino, ditetradecylamino, hexadecylamino, dihexadecylamino, bis(10-carboxydecyl)amino, and bis(12-carboxydodecyl)amino radical; and M is sodium.
Claim 16
Dependent Claim
54 words
A compound having the formula ##STR12## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, whch can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 17
Dependent Claim
54 words
A compound having the formula ##STR12## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, whch can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 18
Dependent Claim
54 words
A compound having the formula ##STR13## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 19
Dependent Claim
54 words
A compound having the formula ##STR13## wherein R is a radical consisting of 4-22 carbon atoms chosen from the group consisting of alkyl, alkenyl and arylalkenyl, which can be substituted by carboxy, alkoxycarbonyl, hydroxy, cyano, chlorine, bromine or sulfonato groups; and M is chosen from the group consisting of alkali metal, pyridinum or ammonium.
Claim 20
Dependent Claim
32 words
The compound of claim 2 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical; and M is sodium.
Claim 21
Dependent Claim
32 words
The compound of claim 3 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical; and M is sodium.
Claim 22
Dependent Claim
32 words
The compound of claim 4 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical; and M is sodium.
Claim 23
Dependent Claim
32 words
The compound of claim 5 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical; and M is sodium.
Claim 24
Dependent Claim
32 words
The compound of claim 10 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14-hydroxy-tetradecyl radical; and M is sodium.
Claim 25
Dependent Claim
33 words
The compound of claim 11 wherein R is chosen from the group consisting of decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 10-carboxy-decyl, 14-carboxy-tetradecyl, 10-ethoxycarbonyl-decyl, 14-methoxycarbonyl-tetradecyl, 10-chlorodecyl, 12-bromo-dodecyl, 12-hydroxy-dodecyl, 14hydroxy-tetradecyl radical; and M is a sodium.
References Cited (Backward Citations)
US2094224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |