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7563907 |
Compounds based on polymethines
The invention relates to fluorescent dyes (fluorophores) based on polymethines for use in optical measurement and detection procedures, in particular those employing fluorescence, for example in...
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7557138 |
5-phenoxyalkoxypsoralens and methods for selective inhibition of the voltage gated Kv1.3 potassium channel
Compositions of matter comprising 5-phenoxyalkoxypsoralen compounds and their method of synthesis and use. The compounds are useable to treat diseases or disorders in human or animal subjects,...
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7220868 |
Process for the preparation of novel dyes for use in imaging members
There are described novel rhodamine dye compounds and imaging members and imaging methods, including thermal imaging members and imaging methods, utilizing the compounds. The dye compounds exhibit...
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6989446 |
Process for the preparation of 3-aryl-benzofuranones
Process for the preparation of compounds of formula I
wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula V
wherein the general...
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6503937 |
Oxobenzofuranylide-dihydroindolone
Oxobenzofuranylidene-dihydroindolones of formulae trans-(Ia) and cis-(Ib) and of formulae trans-(IIa) and cis-(IIb) wherein A 1 and A 2 are each independently of the other unsubstituted or...
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6258839 |
Isolation of naturally occuring isoflavanone and some clinical uses thereof
A compound of general formula I ##STR1## in which the 2-3 bond in ring C could be double or single bond. Ring B and its substituents may be attached at position 2 (at J) in ring C. The key...
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6221877 |
Substituted 4-phthalimidocarboxanilides as inhibitors of purine salvage phosphoribosyltransferases
The use of certain heterocyclic derivatives for treating parasitic protozoa infections in mammals, in particular bovine trichomoniasis and giardiasis, is disclosed.
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5811034 |
7-methylidene-5-oxo-furo fused naphthopyrans
Described are novel 7-methylidene-5-oxo-furo fused naphthopyran compounds having certain substituents at the 2 position of the pyran ring. Also described are polymeric organic host materials that...
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5627287 |
Phthalide compound and a near infrared absorber and a recording material each comprising the same compound
A phthalide compound of general formula (I) and a near infrared absorber and a recording material each utilizing the phthalide compound are disclosed. ##STR1## wherein ring A represents a...
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5501980 |
Benzazolylcoumarin-based ion indicators
The indicator compounds of the present invention are substituted or unsubstituted BAPTA-type chelators that contain a benzazolyl-coumarin substructure, and the pharmaceutically acceptable non-toxic...
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5468854 |
Characterization of specific drug receptors with fluorescent ligands
Conjugates of fluorescent labels with specific, selective, and high affinity ligands for receptors have been synthesized and used to directly measure binding to receptors. In the examples,...
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5424455 |
Heterocyclic compounds for making red disperse dyes
A heterocyclic compound of the formula, ##STR1## wherein A and B are each hydrogen, halogen, alkyl or alkoxy, R 1 is alkylene having upto 6 carbon atoms, X is direct linkage or divalent group such...
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5302604 |
Cholesterol lowering compounds produced by directed biosynthesis
Compounds of Structural Formula (I) ##STR1## are produced by directed biosynthesis. These compounds are squalene synthetase inhibitors and thus useful as cholesterol lowering agents, antifungal...
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5294627 |
Directed biosynthesis of biologically active compounds
Compounds of Structural Formula (I) ##STR1## are produced by directed biosynthesis. These compounds are squalene synthase inhibitors and thus useful as cholesterol lowering agents and antifungal...
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5278320 |
Cholesterol lowering compounds produced by directed biosynthesis
Compounds of Structural Formula (I) ##STR1## are produced by chemical modification of directed biosynthesis products. These compounds are squalene synthetase inhibitors and thus useful as...
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5223616 |
Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers
A heterocyclic compound which is useful for dyeing or printing hydrophobic fiber materials and which has the following formula (I), ##STR1## wherein A 1 , A 2 , A 3 and A 4 are each hydrogen,...
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5162544 |
Indoline-containing phthalides
Pyrroline- or indoline-containing phthalides of formula ##STR1## wherein R 1 and R 2 are each independently of the other lower alkyl, C 5 -C 7 cycloalkyl or benzyl or, when taken together, are...
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5143892 |
Chromogenic phthalides
Chromogenic phthalides of formula ##STR1## wherein X, R 1 and R 2 are each independently of the other C 3 -C 6 alkyl, Y 1 is hydrogen, alkyl or not more than 12 carbon atoms which is...
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5089633 |
Substituted isocoumarins
Substituted isocoumarins, their use in inhibiting serine proteases with chymotrypsin-like and elastase-like specificity and their roles as anti-inflammatory agents.
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5089634 |
Isocoumarins with cationic substituents
Isocoumarins with cationic substituents, their use in inhibiting serine proteases with trypsin-like, chymotrypsin-like and elastase-like specificity and their roles as anticoagulant agents, and...
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4914213 |
Indole derivatives and process for producing the same
A 5-hydroxy-N-substituted indole derivative and the process for producing the indole derivative are described the indole derivative is produced by a process comprising reacting a phenol derivative...
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4788285 |
Indole-phthalide derivatives
3-(1-R-2-R 1 -5/6-Y-indol-3-yl)-3-(2-R 2 -4-N-R 3 -N-R 4 -aminophenyl)-X-phthalides, 7-(1-R-2-R 1 -5/6-Y-indol-3-yl)-7-(2-R 2 -4-N-R 3 -N-R 4 -aminophenyl)furo[3,4b]-pyridine-5(7H)-ones and...
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4661605 |
3-(ether and thioether)-3-(indolyl)-phthalides
This invention relates to 3-aryl or heteroaryl-3-alkoxy, phenoxy-, alkylthio- or phenylthiophthalides useful as color formers, particularly in carbonless duplicating and thermal marking systems,...
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4621092 |
Substituted proline compounds, composition and method of use
Compounds of the formula ##STR1## are disclosed. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and depending upon the definition of...
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4604402 |
Hydroxy substituted ureido amino and imino acids
Compounds of the formula ##STR1## are disclosed. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and depending upon the definition of...
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4515964 |
Polyhalophthalimidoalkyl-functional carbonates
Polyhalophthalimidoalkyl-functional carbonates may be employed as fire retardant additives to polymers. Examples of such carbonates are 2-(tetrabromophthalimido)ethyl 2,4,6-tribromophenyl...
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4479963 |
1-Carboxyalkanoylindoline-2-carboxylic acids
1-Carboxy-(alkanoyl or aralkanoyl)-indoline-2-carboxylic acids, e.g., those of the formula ##STR1## R=H, alkyl, alkoxy, halogeno or CF 3 ; R'=H or R-phenyl; m=0 or 1; p,q=0 to 2; and...
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4436920 |
Image recording members
Recording members having excellent light resistance are obtained by using as a dye precursor specific diarylaminofluoran compounds.
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4431819 |
3-(Pyrrolo and 3-indolyl)-3-diphenylamino substituted phthalides
3-Heteroaryl-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive carbonless duplicating systems, thermal marking systems and hectographic copying systems are prepared by...
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4426380 |
Benzofuran-2-ones and pharmaceutical compositions
The invention relates to novel furans, especially benzofuranones of the general formula ##STR1## in which R 1 represents hydrogen or an aliphatic radical, R 2 represents an amino group...
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4381266 |
(N-Substituted benzoyl)halobenzoic acid anhydrides
Anhydride compounds of the formula ##STR1## wherein A is an optionally substituted amino-phenyl or optionally substituted 3-indolyl radical, Hal represents halogen, Z represents hydrogen, alkyl of...
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4370344 |
5'-Aminoalkyl-4'-alkylpsoralens
The invention relates to 5'-aminoalkyl-4'-alkylpsoralens, having essentially no erythematic photosensitizing activity but at the same time having substantial DNA-binding photosensitizing activity,...
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4367238 |
Phenyl-alkanoic acid derivative and preparation thereof
This invention relates to new phenyl-alkanoic acids, their derivatives at the carboxy group, and pharmaceutically acceptable salts thereof, which have anti-inflammatory, analgesic and antipyretic...
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4351768 |
2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate...
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4343493 |
Duplicating and marking systems
This invention relates to 3,7-bis(disubstituted aminophenyl- or indolyl)-3,7-bis(diphenylamino)pyromellitides, 3,5-bis(disubstituted aminophenyl- or indolyl)-3,5-bis(diphenylamino)pyromellitides...
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4328239 |
8-Aminoalkylpsoralens
The invention relates to 8-aminoalkylpsoralens, having essentially no erythematic photosensitizing activity but at the same time having substantial DNA-binding photosensitizing activity, making...
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4323700 |
Process for preparing benzophenone derivatives
A process is described for preparing benzophenone derivatives of a high purity in an extremely high yield from 3-phenylphthalide derivatives with the use of at least one oxidizing agent.
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4322352 |
Indolyl phthalide compounds
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate...
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4312883 |
Furocoumarin for the photochemotherapy of psoriasis and related skin diseases
A class of alkyl-substituted angular flurocoumarins, sometimes termed alkylangelicins, useful in the photochemotherapy of psoriasis and in other skin diseases characterized by cellular...
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4307018 |
Heteroarylphthalides
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate...
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4277400 |
2(Indol-3'-oyl) 3,4,5,6-tetrahalo benzoic acid anhydrides
Anhydride compounds of the formula ##STR1## wherein A is an optionally substituted amino-phenyl or optionally substituted 3-indolyl radical, Hal represents halogen, Z represents hydrogen, alkyl of...
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4277489 |
1(p-Chlorobenzoyl)-5-methoxy-2-methyl indole-3-acetic acid-3-oxo-isobenzofuranyl ester and pharmaceutical use thereof
This invention relates to a derivative of 1-(p-chlorobenzoyl)-5-methoxy-2-methyl indole-3-acetic acid with 3-oxo-1-isobenzofuranyl, linked by an ester bond, more particularly to...
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4265891 |
Prostanoid compounds and compositions
Prostanoid compounds are described having the formula: ##STR1## where A is a cyclopentane ring, which is substituted by oxo and/or hydroxy or etherified hydroxy and may be saturated or unsaturated;...
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4251446 |
Phthalide compounds, processes and marking systems
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate...
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4217281 |
Imide carbonyl compounds and method for making
A method is described for making organic polycarboxylic acids or anhydrides, such as aromatic ether bis(phthalic acid)s, based on a cyclic imide-cyclic anhydride exchange reaction at elevated...
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4191690 |
Substituted 3,6-diaminophthalides
Substituted 3,6-diaminophthalides of the formula ##STR1## wherein each of R 1 , R 2 and R 3 independently represents alkyl of not more than 12 carbon atoms which is unsubstituted or substituted...
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4189171 |
Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides
3-Aryl-3-indolylphthalides, 3-aryl-3-pyrrolylphthalides and 3-aryl-3-carbazolylphthalides prepared by interaction of the appropriate 2-(heteroaryl)carbonylbenzoic acid and the appropriate...
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4186134 |
3-Indolyl-3-phenyl-phthalides
Phthalides of the formula ##STR1## wherein R 1 and R 2 , independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, cycloalkyl with 5 or...
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4182714 |
Carbazole containing phthalides
3-Heteroaryl-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive carbonless duplicating systems, thermal marking systems and hectographic copying systems are prepared by...
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4177195 |
Organic pigments derived from benzocoumarin
This application teaches that yellow to orange organic pigments may be produced by reacting a benzocoumarin with a selected aromatic diamine.
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