US20010025043A1 - New pharmaceutical active compounds - Google Patents
New pharmaceutical active compounds Download PDFInfo
- Publication number
- US20010025043A1 US20010025043A1 US09/865,231 US86523101A US2001025043A1 US 20010025043 A1 US20010025043 A1 US 20010025043A1 US 86523101 A US86523101 A US 86523101A US 2001025043 A1 US2001025043 A1 US 2001025043A1
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- Prior art keywords
- indol
- quinoxalin
- oxo
- dihydro
- propyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 0 O=C1NC2=C(*=C[Y]=*2)N=C1C1=CNC2=C1C=CC=C2 Chemical compound O=C1NC2=C(*=C[Y]=*2)N=C1C1=CNC2=C1C=CC=C2 0.000 description 11
- JDFXJJLFADUZIY-UHFFFAOYSA-N CON1C(=O)CCC1=O Chemical compound CON1C(=O)CCC1=O JDFXJJLFADUZIY-UHFFFAOYSA-N 0.000 description 1
- NQTADLQHYWFPDB-UHFFFAOYSA-N ON(C(CC1)=O)C1=O Chemical compound ON(C(CC1)=O)C1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D475/00—Heterocyclic compounds containing pteridine ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D475/00—Heterocyclic compounds containing pteridine ring systems
- C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
Definitions
- the present invention relates to novel compounds which are protein kinase C inhibitors, methods for their preparation, intermediates therefor and pharmaceutical compositions comprising them.
- PLC Protein kinase C
- PKC inhibitors e.g. isoquinoline sulphonamides, sphingosine and related sphingolipids, indolocarbazoles and bisindolylmaleimides.
- the present invention provides PKC inhibitors, methods for their preparation and intermediates used for their preparation.
- the present invention also provides the use of the compounds of the present invention for the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders.
- compositions comprising a compound according to the present invention, as active ingredient, together with a pharmaceutically acceptable adjuvant, diluent or carrier.
- the present invention provides optionally substituted and/or annulated compounds of formula (I)
- X, Y, Z and A is each independently carbon or nitrogen, and at least two of X, Y, Z and A are carbon;
- Preferred compounds of formula (I) are those of formula (IA):
- R 1 , R 2 , R 3 , and R 4 is each independently H, hydroxy, amino, nitro, halo, C 1-6 alkyl, phenylC 1-6 alkyl, C 1-6 alkoxy, haloC 1-6 alkyl, carboxyC 1-6 alkyl ester or R 1 and R 2 or R 2 and R 3 or R 3 and R 4 form an annulated aromatic ring, or when the atom to which it would be attached is nitrogen, is absent;
- R 5 and R 6 is each independently H, C 1-6 alkyl, hydroxyC 1-6 alkyl, aminoC 1-6 alkyl, phenylC 1-6 alkyl, carboxyC 1-6 alkyl, C 1-6 alkenyl, (phenylC 1-3 alkoxy)C 1-3 alkyl, (C 1-6 acyloxy)C 1-6 alkyl, (C 1-6 alkoxycarbonyl)C 1-6 alkyl, (mono- or di-C 1-6 alkyl)aminoC 1-6 alkyl (C 1-6 alkyl)aminocarbonylC 1-6 alkyl, (C 1-6 acylamino)C 1-6 alkyl, (aminoC 1-3 alkylphenyl)C 1-3 alkyl, or aminodeoxysugar;
- R 7 and R 8 is each independently H, amino, nitro, hydroxy, halogen, C 1-6 alkoxy, phenylC 1-6 alkoxy or carboxyC 1-6 alkyl ester;
- R 9 is H, C 1-6 alkyl, phenyl, halophenyl or phenylC 1-6 alkyl and wherein when R 5 and R 9 together comprise 3-5 carbons they may be linked to generate a cyclic moiety which may be aminoC 1-6 alkyl substituted;
- R 1 to R 9 is not H and wherein when the only one of R 1 to R 9 which is not H is R 9 , R 9 is not methyl;
- R 5 , R 7 , R 8 , and R 9 are as defined in formula (IA) and LG is a leaving group, e.g:
- A, X, Y, and Z are as defined in formula (I), and R 1 -R 4 are as defined in formula (IA), in a suitable solvent, e.g. THF, at about 10-30° C., e.g. for about 16 hours.
- a suitable solvent e.g. THF
- R 5 in formula (III) carries an amino, carboxy or hydroxy group
- these groups should be suitably protected.
- the protecting groups may be removed in a subsequent deprotecting step.
- the compounds of formula (IA), when R 6 is other than H, may be prepared by reacting a compound of formula (II) which corresponds to formula (IA), but in which R 6 is H, with a suitable alkylating agent, e.g methyl iodide in the presence of a base, e.g. sodium hydride.
- a suitable alkylating agent e.g methyl iodide in the presence of a base, e.g. sodium hydride.
- the alkylating step may be carried out in a suitable solvent e.g dimethyl formamide at about 10-30° C. for e.g 2 hours.
- R 5 in formula (II) and/or the alkylating agent carries an amino, carboxy or hydroxy group
- such groups should be suitably protected.
- the protecting groups may be removed in a subsequent deprotecting step.
- R 5 in formula (III) and/or the alkylating agent carries an amino, carboxy or hydroxy group, these should be in a protected form.
- Suitable protecting groups for amino groups are e.g phthaloyl groups and the deprotecting agent may be methylamine in e.g. water.
- the deprotecting step may be carried out in a suitable solvent, e.g tetrahydrofuran at about 10-30° C., e.g for about 5 hours.
- Suitable protecting groups for carboxy groups are e.g t-butyl groups and the deprotection step may be carried out in trifluoro acetic acid at about 10-30° C., e.g for about 4 hours.
- the hydroxy groups are protected as their corresponding acetoxy groups and the deprotecting agent may be methylamine in e.g. water.
- the deprotecting step may be carried out in a suitable solvent, e.g tetrahydrofuran at about 10-30° C., e.g for about 16 hours.
- process b) the conversion may be carried out by conventional processes, e.g.
- reaction may be carried out in a suitable solvent, e.g. methanol or methylene chloride.
- a suitable solvent e.g. methanol or methylene chloride.
- the starting materials for the above processes may be made by the methods set out in the Examples or by methods analogous thereto. Other conventional methods for making the starting materials will be evident to those skilled in the art.
- the compounds of formula (I), and pharmaceutically acceptable salts thereof, are useful because they demonstrate pharmacological activity.
- they demonstrate activity as kinase inhibitors, especially PKC inhibitors, e.g. as is shown by their activity in the in vitro assays described in Granet, R. A. et al, Analyt. Biochem. 1987; 163, 458-463; Olsson, H. et al, Cell Signal 1989, 1, 405-410; Chakravarthy, B. R. et al, Analyt. Biochem. 1991, 196, 144-150 and Bergstrand, H et al, J. Pharm. Exp. Ther. 1992; 263(3), 1334-1346.
- the compounds of formula (I) and pharmaceutical acceptable salts thereof can also reduce the generation of inflammatory mediators.
- the compounds can inhibit oxygen radical generation and generation of pro-inflammatory cytokines in monocytes.
- the compounds are especially useful as inhibitors of one or more cytokines selected from IL-1 ⁇ , TNF- ⁇ , GM-CSF or IL-8.
- the compounds of the invention are indicated for use in the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders.
- inflammatory and/or immunological disorders such as the oral or topical treatment of airway diseases involving inflammatory conditions, e.g. asthma, bronchitis or atopic diseases, e.g. rhinitis or atopic dermatitis; inflammatory bowel diseases, e.g. Crohn's disease or colitis; autoimmune diseases e.g.
- multiple sclerosis diabetes, atherosclerosis, psoriasis, systemic lupus erythematosus or rheumatoid arthritis; malignant diseases, e.g. skin or lung cancer; HIV infections or AIDS; or for inhibiting rejection of organs/transplants.
- the dose of the compound to be administered will depend upon the relevant indication, the age, weight and sex of the patient and may be determined by a physician.
- the dosage will preferably be in the range of from 0.1 mg/kg to 100 mg/kg.
- the compounds may be administered topically, e.g. to the lung and/or the airways, in the form of solutions, suspensions, HFA areosols or dry powder formulations, e.g. formulations in the inhaler denice known as the Turbuhaler®; or systemically, e.g. by oral administration in the form of tablets, pills, capsules, syrups, powders or granules, or by parenteral administration, e.g. in the form of sterile parenteral solutions or suspensions, or by rectal administration, e.g. in the form of suppositories.
- solutions, suspensions, HFA areosols or dry powder formulations e.g. formulations in the inhaler denice known as the Turbuhaler®
- systemically e.g. by oral administration in the form of tablets, pills, capsules, syrups, powders or granules
- parenteral administration e.g. in the form of sterile parenteral solutions or suspensions
- the compounds of the invention may be administered on their own or as a pharmaceutical composition comprising the compound of the invention in combination with a pharmaceutically acceptable diluent, adjuvant or carrier.
- a pharmaceutically acceptable diluent, adjuvant or carrier particularly preferred are compositions not containing material capable of causing an adverse, e.g. an allergic, reaction.
- Dry powder formulations and pressurized HFA aerosols of the compounds of the invention may be administred by oral or nasal inhalation.
- the compound is desireably finely divided.
- the finely divided compound preferably has a mass median diameter of less than 10 ⁇ m, and may be suspended in a propellant mixture with the assistance of a dispersant, such as a C 8 -C 20 fatty acid or salt thereof, (e.g. oleic acid), a bile salt, a phospholipid, an alkyl saccharide, a perfluorinated or polyethoxylated surfactant, or other pharmaceutically acceptable dispersant.
- a dispersant such as a C 8 -C 20 fatty acid or salt thereof, (e.g. oleic acid), a bile salt, a phospholipid, an alkyl saccharide, a perfluorinated or polyethoxylated surfactant, or other pharmaceutically acceptable dispersant.
- the compounds of the invention may also be administered by means of a dry powder inhaler.
- the inhaler may be a single or a multi dose inhaler, and may be a breath actuated dry powder inhaler.
- a carrier substance e.g. a mono-, di- or polysaccharide, a sugar alcohol, or an other polyol.
- Suitable carriers are sugars, e.g. lactose, glucose, raffinose, melezitose, lactitol, maltitol, trehalose, sucrose, mannitol; and starch.
- the finely divided compound may be coated by another substance.
- the powder mixture may also be dispensed into hard gelatine capsules, each containing the desired dose of the active compound.
- Another possibility is to process the finely divided powder into spheres which break up during the inhalation procedure.
- This spheronized powder may be filled into the drug reservoir of a multidose inhaler, e.g. that known as the Turbuhaler® in which a dosing unit meters the desired dose which is then inhaled by the patient.
- a multidose inhaler e.g. that known as the Turbuhaler®
- a dosing unit meters the desired dose which is then inhaled by the patient.
- the active compound with or without a carrier substance, is delivered to the patient.
- the active compound may be admixed with an adjuvant or a carrier, e.g. lactose, saccharose, sorbitol, mannitol; a starch, e.g. potato starch, corn starch or amylopectin; a cellulose derivative; a binder, e.g. gelatine orpolyvinylpyrrolidone, and/or a lubricant, e.g. magnesium stearate, calcium stearate, polyethylene glycol, a wax, paraffin, and the like, and then compressed into tablets.
- the cores, prepared as described above may be coated with a concentrated sugar solution which may contain e.g. gum arabic, gelatine, talcum, titanium dioxide, and the like.
- the tablet may be coated with a suitable polymer dissolved in a readily volatile organic solvent.
- the compound may be admixed with e.g. a vegetable oil or polyethylene glycol.
- Hard gelatine capsules may contain granules of the compound using either the above mentioned excipients for tablets. Also liquid or semisolid formulations of the drug may be filled into hard gelatine capsules.
- Liquid preparations for oral application may be in the form of syrups or suspensions, for example solutions containing the compound, the balance being sugar and a mixture of ethanol, water, glycerol and propylene glycol.
- Such liquid preparations may contain colouring agents, flavouring agents, saccharine and/or carboxymethylcellulose as a thickening agent or other excipients known to those skilled in art.
- the compounds of the invention may also be administered in conjunction with other compounds used for the treatment of the above conditions.
- medical therapy as used herein is intended to include prophylactic, diagnostic and therapeutic regimens carried out in vivo or ex vivo on humans or other mammals.
- Compounds of the present invention include all stereoisomers, pure and mixed racemates, and mixtures thereof.
- R 5 and/or R 6 carries a hydroxy or amino group
- At least one of Y and Z are substituted with halo, methoxy or carboxylic ester
- R 9 is H or alkyl and is most preferably H
- R 5 or R 6 is an aminodeoxysugar, it is preferably a six membered ring,
- R 5 and R 9 together form a cyclic moiety it is preferably a six membered ring
- a solution 2- ⁇ 3-[3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl ⁇ -isoindol-1,3-dione (0.050 g, 0.11 mmol) in dry dimethyl formamide (2 ml) was added dropwise and the resulting mixture kept at ⁇ 20° C. for 5 min and then at room temperature for another 15 min. The reaction mixture was cooled to ⁇ 20° C.
- step b) The product from step a) (52.0 mg, 0.08 mmol) was dispersed in 2 ml of tetrahydrofuran. Aqueous methylamine was added (1 ml) and the mixtrure stirred at room temperature for 17 hours. The reaction mixture was eveporated and the crude filtered through a short column of silica gel using CH 2 Cl 2 /MeOH/NH 3 (100/10/1) as eluent. The solvents were evaporated and the crude amine subjected to reverse-phase column chromatography using a pre-packed column (Merck Lobar, LiChroprep RP-8) and MeOH/H 2 O/TFA (70/30/0.1) as the eluent. The fractions containing the product were partly evaporated and freeze dried to give 0.01 g (24%) of the title product.
- the crude mixture was subjected to reverse-phase column chromatography using a pre-packed column (Merck Lobar, LiChroprep RP-8) and MeOH/H 2 O/TFA (70/30/0.1) as the eluent.
- the fractions containing the product were partly evaporated and freeze dried to give 0.02 g (6%) of the title product.
- the invention also provides the free bases of those of the above compounds which are exemplified as salts.
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
wherein X, Y, Z and A is each independently carbon or nitrogen, and at least two of X, Y, Z and A are carbon;
and pharmaceutically acceptable salts thereof with the proviso that:
3-(1H-Indol-3-yl)-1H-quinoxalin-2-one,
3-(2-Methyl-1H-indol-3-yl)-1H-quinoxalin-2-one, and
3-(1,2-Diphenyl-1H-indol-3-yl)-1H-quinoxalin-2-one
are excluded from compounds of formula (I). The invention includes the use of compounds of formula (I) in medical therapy, particularly in the therapy of conditions requiring inhibition of protein kinase C.
Description
- The present invention relates to novel compounds which are protein kinase C inhibitors, methods for their preparation, intermediates therefor and pharmaceutical compositions comprising them.
- Protein kinase C (PKC) is a family of phospholipid-dependent serine/threonine-specific protein kinases which play an important role in cellular growth control, regulation and differentiation.
- Since the activation of PKC has been implicated in several human disease processes, including various forms of cancer, different forms of inflammatory and/or immunological disorders as well as some neurological disorders, inhibition of PKC could be of therapeutic value in treating these conditions.
- Several classes of compounds have been identified as PKC inhibitors, e.g. isoquinoline sulphonamides, sphingosine and related sphingolipids, indolocarbazoles and bisindolylmaleimides.
- Although PKC inhibitors are described in the prior art, there is a need for specific anti-inflammatory and immunosuppressive compounds which are suitable for oral administration, and for inhalation.
- The present invention provides PKC inhibitors, methods for their preparation and intermediates used for their preparation.
- The present invention also provides the use of the compounds of the present invention for the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders.
- Also provided by the present invention are pharmaceutical compositions comprising a compound according to the present invention, as active ingredient, together with a pharmaceutically acceptable adjuvant, diluent or carrier.
-
- wherein X, Y, Z and A is each independently carbon or nitrogen, and at least two of X, Y, Z and A are carbon;
- and pharmaceutically acceptable salts thereof with the proviso that the following compounds are not included in formula (I):
- 3-(1H-Indol-3-yl)-1H-quinoxalin-2-one,
- 3-(2-Methyl-1H-indol-3-yl)-1H-quinoxalin-2-one, and
- 3-(1,2-Diphenyl-1H-indol-3-yl)-1H-quinoxalin-2-one.
-
- wherein
- X, Y, Z and A are as defined above,
- R1, R2, R3, and R4 is each independently H, hydroxy, amino, nitro, halo, C1-6 alkyl, phenylC1-6 alkyl, C1-6 alkoxy, haloC1-6 alkyl, carboxyC1-6 alkyl ester or R1 and R2 or R2 and R3 or R3 and R4 form an annulated aromatic ring, or when the atom to which it would be attached is nitrogen, is absent;
- R5 and R6 is each independently H, C1-6 alkyl, hydroxyC1-6 alkyl, aminoC1-6 alkyl, phenylC1-6 alkyl, carboxyC1-6 alkyl, C1-6 alkenyl, (phenylC1-3 alkoxy)C1-3 alkyl, (C1-6 acyloxy)C1-6 alkyl, (C1-6 alkoxycarbonyl)C1-6 alkyl, (mono- or di-C1-6 alkyl)aminoC1-6 alkyl (C1-6 alkyl)aminocarbonylC1-6 alkyl, (C1-6 acylamino)C1-6 alkyl, (aminoC1-3 alkylphenyl)C1-3 alkyl, or aminodeoxysugar;
- R7 and R8 is each independently H, amino, nitro, hydroxy, halogen, C1-6 alkoxy, phenylC1-6 alkoxy or carboxyC1-6 alkyl ester;
- R9 is H, C1-6 alkyl, phenyl, halophenyl or phenylC1-6 alkyl and wherein when R5 and R9 together comprise 3-5 carbons they may be linked to generate a cyclic moiety which may be aminoC1-6 alkyl substituted;
- and wherein at least one of R1 to R9 is not H and wherein when the only one of R1 to R9 which is not H is R9, R9 is not methyl;
- and pharmaceutically acceptable salts thereof.
- The compounds of formula (IA), in which at least one of R5 and R6 carries an amino, carboxy or hydroxy group; and pharmaceutically acceptable salts thereof, may be prepared by,
- a) deprotecting a compound of formula (II) corresponding to formula (IA) but in which at least one of R5 and R6 carries a protected amino, carboxy or hydroxy group, or
- b) converting a compound of formula (IA), in which at least one of R5 and R6 carries an amino or carboxy group
- i) to a pharmaceutically acceptable salt thereof, or vice versa; or
- ii) a pharmaceutically acceptable salt of a compound of formula (IA) into a different pharmaceutically acceptable salt.
-
-
-
- wherein A, X, Y, and Z are as defined in formula (I), and R1-R4 are as defined in formula (IA), in a suitable solvent, e.g. THF, at about 10-30° C., e.g. for about 16 hours.
- When R5 in formula (III) carries an amino, carboxy or hydroxy group, these groups should be suitably protected. The protecting groups may be removed in a subsequent deprotecting step.
- The compounds of formula (IA), when R6 is other than H, may be prepared by reacting a compound of formula (II) which corresponds to formula (IA), but in which R6 is H, with a suitable alkylating agent, e.g methyl iodide in the presence of a base, e.g. sodium hydride. The alkylating step may be carried out in a suitable solvent e.g dimethyl formamide at about 10-30° C. for e.g 2 hours.
- When R5 in formula (II) and/or the alkylating agent carries an amino, carboxy or hydroxy group, such groups should be suitably protected. The protecting groups may be removed in a subsequent deprotecting step.
- The compounds of formula (II) may be prepared by
- (i) reacting a compound of formula (III), as defined above, with a compound of formula (IV), as defined above, in a suitable solvent e.g. THF, at about 10-30° C., e.g. for 16 h , or
- (ii) by alkylating the product of (i) with a suitable alkylating agent
- when R5 in formula (III) and/or the alkylating agent carries an amino, carboxy or hydroxy group, these should be in a protected form.
- In all processes above, the protecting groups and conditions for deprotection are well known to those skilled in the art. Suitable protecting groups for amino groups are e.g phthaloyl groups and the deprotecting agent may be methylamine in e.g. water. The deprotecting step may be carried out in a suitable solvent, e.g tetrahydrofuran at about 10-30° C., e.g for about 5 hours. Suitable protecting groups for carboxy groups are e.g t-butyl groups and the deprotection step may be carried out in trifluoro acetic acid at about 10-30° C., e.g for about 4 hours. The hydroxy groups are protected as their corresponding acetoxy groups and the deprotecting agent may be methylamine in e.g. water. The deprotecting step may be carried out in a suitable solvent, e.g tetrahydrofuran at about 10-30° C., e.g for about 16 hours.
- In process b) the conversion may be carried out by conventional processes, e.g.
- i) reaction of the free base with an acid containing the desired anion, or by careful basification of the salt, or
- ii) reaction of the free acid with a base containing the desired cation, or by careful acidification of the salt.
- The reaction may be carried out in a suitable solvent, e.g. methanol or methylene chloride.
- Compounds of formula (I) which are not of formula (IA) may be made by analogous processes to those described above for compounds of formula (IA).
- The starting materials for the above processes may be made by the methods set out in the Examples or by methods analogous thereto. Other conventional methods for making the starting materials will be evident to those skilled in the art.
- The compounds of formula (I), and pharmaceutically acceptable salts thereof, are useful because they demonstrate pharmacological activity. In particular they demonstrate activity as kinase inhibitors, especially PKC inhibitors, e.g. as is shown by their activity in the in vitro assays described in Granet, R. A. et al, Analyt. Biochem. 1987; 163, 458-463; Olsson, H. et al, Cell Signal 1989, 1, 405-410; Chakravarthy, B. R. et al, Analyt. Biochem. 1991, 196, 144-150 and Bergstrand, H et al, J. Pharm. Exp. Ther. 1992; 263(3), 1334-1346.
- In appropriate cellular systems, the compounds of formula (I) and pharmaceutical acceptable salts thereof, can also reduce the generation of inflammatory mediators. For example, the compounds can inhibit oxygen radical generation and generation of pro-inflammatory cytokines in monocytes. The compounds are especially useful as inhibitors of one or more cytokines selected from IL-1β, TNF-α, GM-CSF or IL-8.
- The compounds of the invention are indicated for use in the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders. Preferably for oral or topical treatment of inflammatory and/or immunological disorders, such as the oral or topical treatment of airway diseases involving inflammatory conditions, e.g. asthma, bronchitis or atopic diseases, e.g. rhinitis or atopic dermatitis; inflammatory bowel diseases, e.g. Crohn's disease or colitis; autoimmune diseases e.g. multiple sclerosis, diabetes, atherosclerosis, psoriasis, systemic lupus erythematosus or rheumatoid arthritis; malignant diseases, e.g. skin or lung cancer; HIV infections or AIDS; or for inhibiting rejection of organs/transplants.
- The dose of the compound to be administered will depend upon the relevant indication, the age, weight and sex of the patient and may be determined by a physician. The dosage will preferably be in the range of from 0.1 mg/kg to 100 mg/kg.
- The compounds may be administered topically, e.g. to the lung and/or the airways, in the form of solutions, suspensions, HFA areosols or dry powder formulations, e.g. formulations in the inhaler denice known as the Turbuhaler®; or systemically, e.g. by oral administration in the form of tablets, pills, capsules, syrups, powders or granules, or by parenteral administration, e.g. in the form of sterile parenteral solutions or suspensions, or by rectal administration, e.g. in the form of suppositories.
- The compounds of the invention may be administered on their own or as a pharmaceutical composition comprising the compound of the invention in combination with a pharmaceutically acceptable diluent, adjuvant or carrier. Particularly preferred are compositions not containing material capable of causing an adverse, e.g. an allergic, reaction.
- Dry powder formulations and pressurized HFA aerosols of the compounds of the invention may be administred by oral or nasal inhalation. For inhalation the compound is desireably finely divided. The finely divided compound preferably has a mass median diameter of less than 10 μm, and may be suspended in a propellant mixture with the assistance of a dispersant, such as a C8-C20 fatty acid or salt thereof, (e.g. oleic acid), a bile salt, a phospholipid, an alkyl saccharide, a perfluorinated or polyethoxylated surfactant, or other pharmaceutically acceptable dispersant.
- The compounds of the invention may also be administered by means of a dry powder inhaler. The inhaler may be a single or a multi dose inhaler, and may be a breath actuated dry powder inhaler.
- One possibility is to mix the finely divided compound with a carrier substance, e.g. a mono-, di- or polysaccharide, a sugar alcohol, or an other polyol. Suitable carriers are sugars, e.g. lactose, glucose, raffinose, melezitose, lactitol, maltitol, trehalose, sucrose, mannitol; and starch. Alternatively the finely divided compound may be coated by another substance. The powder mixture may also be dispensed into hard gelatine capsules, each containing the desired dose of the active compound.
- Another possibility is to process the finely divided powder into spheres which break up during the inhalation procedure. This spheronized powder may be filled into the drug reservoir of a multidose inhaler, e.g. that known as the Turbuhaler® in which a dosing unit meters the desired dose which is then inhaled by the patient. With this system the active compound, with or without a carrier substance, is delivered to the patient.
- For oral administration the active compound may be admixed with an adjuvant or a carrier, e.g. lactose, saccharose, sorbitol, mannitol; a starch, e.g. potato starch, corn starch or amylopectin; a cellulose derivative; a binder, e.g. gelatine orpolyvinylpyrrolidone, and/or a lubricant, e.g. magnesium stearate, calcium stearate, polyethylene glycol, a wax, paraffin, and the like, and then compressed into tablets. If coated tablets are required, the cores, prepared as described above, may be coated with a concentrated sugar solution which may contain e.g. gum arabic, gelatine, talcum, titanium dioxide, and the like. Alternatively, the tablet may be coated with a suitable polymer dissolved in a readily volatile organic solvent.
- For the preparation of soft gelatine capsules, the compound may be admixed with e.g. a vegetable oil or polyethylene glycol. Hard gelatine capsules may contain granules of the compound using either the above mentioned excipients for tablets. Also liquid or semisolid formulations of the drug may be filled into hard gelatine capsules.
- Liquid preparations for oral application may be in the form of syrups or suspensions, for example solutions containing the compound, the balance being sugar and a mixture of ethanol, water, glycerol and propylene glycol. Optionally such liquid preparations may contain colouring agents, flavouring agents, saccharine and/or carboxymethylcellulose as a thickening agent or other excipients known to those skilled in art.
- The compounds of the invention may also be administered in conjunction with other compounds used for the treatment of the above conditions.
- The term ‘medical therapy’ as used herein is intended to include prophylactic, diagnostic and therapeutic regimens carried out in vivo or ex vivo on humans or other mammals.
- Compounds of the present invention include all stereoisomers, pure and mixed racemates, and mixtures thereof.
- In compounds of formula (IA) of the present invention, the following independent preferences apply:
- R5 and/or R6 carries a hydroxy or amino group,
- at least one of Y and Z are substituted,
- position 5 of the indole is substituted,
- at least one of Y and Z are substituted with halo, methoxy or carboxylic ester,
- R9 is H or alkyl and is most preferably H,
- when R5 or R6 is an aminodeoxysugar, it is preferably a six membered ring,
- when R5 and R9 together form a cyclic moiety, it is preferably a six membered ring,
- three or four of X,Y,Z and A are carbon, and/or
- R1 and R2, R2 and R3,or R3 and R4; and most preferably R2 and R3, form an annulated aromatic ring
- The most preferred compounds of the present invention are as follows:
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate,
- 3-[5-Methoxycarbonyl-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(4-(3-Ammoniumpropyl)-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium bis trifluoroacetate,
- Dimethyl-{3-[3-(1-methyl-1H-indol-3-yl)-2-oxo-2H-quinoxalin-1-yl]-propyl}-ammonium trifluoroacetate,
- 3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[6-Benzyloxy-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[5-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[2-(4-Chloro-phenyl)-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[2-(4-Chloro-phenyl)-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate,
- 3-[3-(5-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate,
- 3-[6-Nitro-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- 4-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium acetate,
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]-benzyl-ammonium trifluoroacetate,
- 3-[3-(4-Benzyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium trifluoroacetate;
- and the corresponding free amines thereof and other pharmaceutically acceptable salts thereof.
- The most preferred compound of the present invention is:
- 3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
- and the corresponding free amines thereof and other pharmaceutically acceptable salts thereof.
- The following Examples illustrate, but in no way limit the invention.
- All reactions were performed in dried glassware under Ar or N2 unless otherwise noted. Tetrahydrofuran was distilled from sodium/benzophenone. Dimethyl formamide was distilled from calcium hydride, or dried over molecular sieves. Other solvents and all commercial reagents were used as received.
-
- {1-[3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)-propyl]-1H-indol-3-yl}-oxoacetic acid 2,5-dioxopyrrolidin-1-yl ester) [intermediate]
- 1-[3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)-propyl]-1H-indol (1.00 g, 3.29 mmol) was dissolved in dichloromethane (10 ml) and cooled to 0° C. Oxalylchloride (0.28 ml, 3.29 mmol) was added and the reaction kept at 0° C. for 30 minutes before the addition of N-hydroxysuccinimide (0.38 g, 3.29 mmol) followed by careful addition of pyridine (0.53 ml, 6.57 mmol).
- After stirring the reaction for 1 hour at room temperature brine (5%, 10 ml) was added and the phases separated, the organic phase was washed with brine (5%, 2×10 ml), dried over Na2SO4 followed by removal of the solvent in vacuo. Crystallisation of the crude product from ethyl acetate—hexane yields the title product, 1.06 g (69%).
-
- FAB-MS: m/z 474 [MH+]
- A) 3-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- 1,2-Phenylenediamine (0.021 g, 0.20 mmol) and the product of Example 1 (0.075 g, 0.16 mmol) was dissolved in tetrahydrofuran (1 ml). Stirring overnight yields 2-(3-(3-(3-oxo-3,4-dihydroquinoxalin-2-yl)-inol-1-yl)propyl)-isoindol-1,3-dione as a yellow precipitate that was filtered off and washed with tetrahydrofuran.
-
- FAB-MS: m/z 449.3 [MH+]
- The precipitate was suspended in tetrahydrofuran (1 ml) and aqueous methylamine (40%, 0.7 ml) was added. After stirring for 5 hours the solvent was removed in vacuo.
- 3-(1-(3-Aminopropyl)-1H-indol-3-yl)-1H-quinoxalin-2-one was crystallised from water and treated with aqueous acetic acid (1 M, 1 ml) to obtain the title compound as a yellow solid, 0.045 g (75%), after freeze drying.
-
- FAB-MS: m/z 319.1 [MH+]
- B) 3-[3-(6-Fluoro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- The title compound was prepared in 89% yield as described in A) starting from 4-fluoro-1,2-phenylenediamine.
-
- FAB-MS: m/z 337.1 [MH+]
- C) 3-[3-(7-Methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 83% yield as described in A) starting from 4-methoxy-1,2-phenylenediamine.
-
- FAB-MS: m/z 349.1 [MH+]
- D) 3-[3-(2-Oxo-1,2-dihydro-pyrido[2,3-b]pyrazin-3-yl)-indol-1-yl]propyl-ammonium acetate
- The title compound was prepared in 85% yield as described in A) starting from 2,3-diaminopyridine.
-
- FAB-MS: m/z 320.1 [MH+]
- E) 3-[3-(4-Hydroxy-6-oxo-5,6-dihydro-pteridin-7-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 38% yield as described in A) starting from 5,6-diamino-4-hydroxypyrimidine.
-
- FAB-MS: m/z 337.0 [M+]
- F) 3-[3-(6-Oxo-5,6-dihydro-pteridin-7-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 38% yield as described in A) starting from 5,6-diaminopyrimidine.
- FAB-MS: m/z 320.2 [M+]
- G) 3-[3-(5-Hydroxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 22% yield as described in A) starting from 2,3-diaminophenol.
- FAB-MS: m/z 335.1 [MH+]
- H) 3-[3-(3-Oxo-3,4-dihydro-pyrido[3,4-b]pyrazin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 38% yield as described in A) starting from 3,4-diaminopyridine.
- FAB-MS: m/z 320.2 [MH+]
- I) 3-[3-(8-Nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- The title compound was prepared in 79% yield as described in A) starting from 3-nitro-1,2-phenylenediamine.
- FAB-MS: m/z 364.1 [MH+]
- J) 3-[3-(6-Nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 55% yield as described in A) starting from 4-nitro-1,2-phenylenediamine.
- FAB-MS: m/z 364.1 [MH+]
- K) 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1I-yl]-propyl-ammonium acetate
- The title compound was prepared in 93% yield as described in A) starting from 4,5-dichloro-1,2-phenylenediamine.
- FAB-MS: m/z 387.0 [MH+]
- L) 3-[3-(7-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 93% yield as described in A) starting from 4-methyl-1,2-phenylenediamine.
- FAB-MS: m/z 333.2 [MH+]
- M) 3-[3-(5-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 87% yield as described in A) starting from 3-methyl-1,2-phenylenediamine.
- FAB-MS: m/z 333.2 [MH+]
- N) 3-[3-(6,7-Dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 89% yield as described in A) starting from 4,5-dimethyl-1,2-phenylenediaamine.
- FAB-MS: m/z 347.2 [MH+]
- O) 3-[3-(6-Methoxycarbonyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- The title compound was prepared in 43% yield as described in A) starting from methyl 3,4-diaminobensoate.
- FAB-MS: m/z 377.1 [MH+]
- P) 3-[3-(6-Ethoxycarbonyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- The title compound was prepared in 78% yield as described in A) starting from ethyl 3,4-diaminobensoate.
- FAB-MS: m/z 391.0 [MH+]
- Q) 3-[3-(3-Oxo-6-trifluoromethyl-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- The title compound was prepared in 85% yield as described in A) starting from 4-trifluoromethyl-1,2-phenylenediamine.
- FAB-MS: m/z 387.1 [MH+]
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- A dispersion of sodium hydride, 55-60% in oil, (0.0075 g, 0.17 mmol) in dry dimethyl formamide (2 ml) was cooled to −20° C. A solution 2-{3-[3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl}-isoindol-1,3-dione (0.050 g, 0.11 mmol) in dry dimethyl formamide (2 ml), was added dropwise and the resulting mixture kept at −20° C. for 5 min and then at room temperature for another 15 min. The reaction mixture was cooled to −20° C. and methyl iodide (0.017 g, 0.12 mmol, 7.7 μl) was added via a syringe. The resulting solution was allowed to reach room temperature whereupon 12 ml of diethyl ether was added. After 2 h at room temperature, 2-{3-[3-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl}-isoindole-1,3-dione was precipitated.
- The precipitate was collected by centrifugation, and then suspended in tetrahydrofuran (2 ml). Aqueous methylamine (1 ml) was added giving a homogenous light yellow solution. After stirring for 5 h, the free amine was precipitated. The solvent was evaporated and the precipitate suspended in 4 ml of water and then collected by centrifugation. The precipitate was treated with aqueous acetic acid (1 M, 1 ml) and freeze dried to give 0.019 g (43%) of the title compound as a yellow solid.
-
- FAB-MS: m/z 333.0 [MH+]
- 3-{1-(6-Amino-2,4,6-trideoxy-β-D-threo-hexopyranosyl)-1H-indol-3-yl}-1H-quinoxazolin-2-one trifluoro acetic acid salt
- a) 3-{1-(3-O-Benzoyl-6-phthalimido-2,4,6-trideoxy-β-D-threo-hexopyranosyl)-1H-indol-3-yl}-1H-quinoxalin-2-one
- 1-(3-O-Benzoyl-6-phthalimido-2,4,6-trideoxy-β-D-threo-hexopyranosyl)-1H-indole (0.30 g, 0.62 mmol) was dissolved in dichloromethane (3 ml) and cooled to 0° C. Oxalylchloride (65 μl, 0.74 mmol) was added and the reaction mixture kept at 0° C. for 15 min and then stirred at room temperature for another 45 minutes. N-hydroxysuccinimid (0.08 g 0.70 mmol) was added followed by careful addition of pyridine (0.10 ml, 1.23 mmol). The reaction mixture was stirred at room temperature for 16 hours and then washed twice with water. The organic layer was evaporated and the crude mixed with tetrahydrofuran (10 ml) and 1,2-diphenylenediamine (0.09 g, 0.80 mmol) and stirred at room temperature for 16 hours. The resulting percipitate was collected by centrifugation, washed twice with ether and dried to give 0.12 g (32%) of the subtitle product.
-
- b) The product from step a) (52.0 mg, 0.08 mmol) was dispersed in 2 ml of tetrahydrofuran. Aqueous methylamine was added (1 ml) and the mixtrure stirred at room temperature for 17 hours. The reaction mixture was eveporated and the crude filtered through a short column of silica gel using CH2Cl2/MeOH/NH3 (100/10/1) as eluent. The solvents were evaporated and the crude amine subjected to reverse-phase column chromatography using a pre-packed column (Merck Lobar, LiChroprep RP-8) and MeOH/H2O/TFA (70/30/0.1) as the eluent. The fractions containing the product were partly evaporated and freeze dried to give 0.01 g (24%) of the title product.
-
- FAB-MS: m/z 391 [MH+]
- 3-[3-(4-(3-Ammoniumpropyl)-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium bis trifluoroacetate
- A mixture of sodium hydride, 55-60% in oil, (0.029 g, 0.67 mmol) and 2-{3-[3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl}-isoindol-1,3-dione (0.25 g, 0.56 mmol) in dry dimethyl formamide (4 ml) was stirred at −20° C. for 10 min and then at room temperature for another 30 min. A solution of 2-(3-Bromopropyl)-isoindole-1,3-dione (0.20 g 0.75 mmol) in 2 ml dimethyl formamide was added and the rection mixture stirred at room temperature for 30 min and then at 60° C. for 3 hours. The percipitate formed was separated by centrifuigation, washed with ethyl acetate and dried. The crude percipitate was suspended in tetrahydrofuran (5 ml) and aqeuous methylamine (3 ml) and stirred at room temperature for 3.5 hours. The solvent was evaporated and the residue washed with 10 ml of water. The crude mixture was subjected to reverse-phase column chromatography using a pre-packed column (Merck Lobar, LiChroprep RP-8) and MeOH/H2O/TFA (70/30/0.1) as the eluent. The fractions containing the product were partly evaporated and freeze dried to give 0.02 g (6%) of the title product.
-
- FAB-MS: m/z 376 [MH+]
- The following examples were prepared following the methods described above in Examples 1 to 4. Removal of protecting groups were performed according to standard literature methods.
- 3-[3-(4-tert-Butoxycarbonylmethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-methyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 447 [MH+]
- 3-[5-Benzyloxy-3-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 378 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-(4-chloro-phenyl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 544 [MH+]
- 3-[2-Ethyl-3-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 361 [MH+]
- 3-[6-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 539 [MH+]
- 3-[5-Methoxycarbonyl-3-(4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 391 [MH+]
- 3-[3-(4,7-Dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-methyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: ml/z 361 [MH+]
- 3-[5-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 553 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 492 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(4,7-dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 457 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 475 [MH+]
- 3-[6-Benzyloxy-3-(4,7-dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- 453 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]propyl-ammonium acetate
- 505 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-6,7-dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-methyl-indol-1-yl]-propyl-ammonium acetate
- 516 [MH+]
- 3-[5-Benzyloxy-3-(6,7-dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- 508 [MH+]
- 3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 430 [MH+]
- 3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 460 [MH+]
- 3-[5-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 584 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 523 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 536 [MH+]
- 3-[5-Benzyloxy-3-(4,5-dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 453 [MH+]
- 3-[3-(4,5-Dimethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 392 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-(4-chloro-phenyl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 558 [MH+]
- 3-[5-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 569 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 508 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 473 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 491 [MH+]
- 3-[6-Benzyloxy-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 469 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 521 [MH+]
- 3-[6-Hydroxy-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 379 [MH+]
- 5-[3-(1H-Indol-3-yl)-6,7-dimethyl-2-oxo-2H-quinoxalin-1-yl]-pentyl-ammonium trifluoroacetate
- FAB-MS: m/z 357 [MH+]
- 3-(1-Butyl-5-methoxy-1H-indol-3-yl)-1H-quinoxalin-2-one
- FAB-MS: m/z 348 [MH+]
- 3-[5-Bromo-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium acetate
- FAB-MS: m/z 459 [MH+]
- Acetic acid 3-[3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl ester
- FAB-MS: m/z 362 [MH+]
- 3-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-2-phenyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 395 [MH+]
- 10-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-6,7,8,9-tetrahydro-pyrido[1,2-a]indol-8-ylmethyl-ammonium acetate
- FAB-MS: m/z 345 [MH+]
- 1-Methyl-3-(1-methyl-1H-indol-3-yl)-1H-quinoxalin-2-one
- FAB-MS: m/z 290 [MH+]
- N-{3-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl}-acetamide
- FAB-MS: m/z 361 [MH+]
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 333 [MH+]
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 333 [MH+]
- 3-(1-Benzyl-1H-indol-3-yl)-1H-quinoxalin-2-one
- FAB-MS: m/z 352 [MH+]
- 4-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-butyl-ammonium acetate
- FAB-MS: m/z 333 [MH+]
- 3-[3-(4-Benzyloxymethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[3-(4-Ethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 347 [MH+]
- 3-[3-(7-Benzyl-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 423 [MH+]
- 3-[3-(4-Benzyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium trifluoroacetate
- FAB-MS: m/z 409 [MH+]
- 3-[3-(4-Butyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 375 [MH+]
- 3-[3-(4-Allyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 359 [MH+]
- 3-[3-(4-Methylcarbamoylmethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium trifluoroacetate
- FAB-MS: m/z 390 [MH+]
- 3-[3-(4-tert-Butoxycarbonylmethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 433 [MH+]
- 3-[3-(4-Carboxymethyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 377 [MH+]
- 3-(1-Methyl-1H-indol-3-yl)-1H-quinoxalin-2-one
- FAB-MS: m/z 276 [MH+]
- 3-[3-(7-Benzyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium trifluoroacetate
- FAB-MS: m/z 409 [MH+]
- 3-[3-(1-Methyl-1H-indol-3-yl)-2-oxo-2H-quinoxalin-1-yl]-propyl-ammonium trifluoroacetate
- FAB-MS: m/z 333 [MH+]
- 4-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium acetate
- FAB-MS: m/z 381 [MH+]
- 2-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-ethyl-ammonium acetate
- FAB-MS: m/z 305 [MH+]
- 3-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium acetate
- FAB-MS: m/z 381 [MH+]
- 4-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium trifluoroacetate
- FAB-MS: m/z 395 [MH+]
- 3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium trifluoroacetate
- FAB-MS: m/z 395 [MH+]
- 3-[2-Methyl-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 333 [MH+]
- 3-[5-Benzyloxy-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 425 [MH+]
- 3-[5-Amino-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 334 [MH+]
- 3-[6-Nitro-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 364 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 429 [MH+]
- 3-[2-Ethyl-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: ml/z 347 [MH+]
- 3-[6-Benzyloxy-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 425 [MH+]
- 3-[5-Methoxycarbonyl-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 377 [MH+]
- 3-[6-Hydroxy-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 335 [MH+]
- 3-[2-Methyl-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 347 [MH+]
- 3-[5-Benzyloxy-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[5-Amino-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 348 [MH+]
- 3-[3-(7-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 378 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 444 [MH+]
- 3-[2-Ethyl-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 361 [MH+]
- 3-[6-Benzyloxy-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[5-Methoxycarbonyl-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 391 [MH+]
- 3-[6-Hydroxy-3-(7-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 349 [MH+]
- 3-[5-Benzyloxy-3-(6,7-dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 494 [MH+]
- 3-[5-Amino-3-(6,7-dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 403 [MH+]
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 433 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(6,7-dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 498 [MH+]
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 416 [MH+]
- 3-[6-Benzyloxy-3-(6,7-dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 494 [MH+]
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 446 [MH+]
- 3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-hydroxy-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 404 [MH+]
- 3-[2-Methyl-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 378 [MH+]
- 3-[5-Benzyloxy-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 470 [MH+]
- 3-[5-Amino-3-(6-amino-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 349 [MH+]
- 3-[6-Nitro-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 409 [MH+]
- 3-[2-Ethyl-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 392 [MH+]
- 3-[6-Benzyloxy-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 470 [MH+]
- 3-[5-Methoxycarbonyl-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 422 [MH+]
- 3-[2-Methyl-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 347 [MH+]
- 3-[5-Benzyloxy-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[5-Amino-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 348 [MH+]
- 3-[3-(5-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 378 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 444 [MH+]
- 3-[6-Benzyloxy-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 439 [MH+]
- 3-[5-Methoxycarbonyl -3-(5-methyl -3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 391 [MH+]
- 3-[5-Methoxycarbonyl-3-(5-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 349 [MH+]
- 3-[3-(7-Methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-methyl-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 363 [MH+]
- 3-[5-Benzyloxy-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 455 [MH+]
- 3-[5-Amino-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 364 [MH+]
- 3-[3-(7-Methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 394 [MH+]
- 3-[2-(4-Chloro-phenyl)-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 460 [MH+]
- 3-[2-Ethyl-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 377 [MH+]
- 3-[6-Benzyloxy-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 455 [MH+]
- 3-[5-Methoxycarbonyl-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 407 [MH+]
- 3-[6-Hydroxy-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate
- FAB-MS: m/z 365 [MH+]
- 3-[1-(3-Hydroxy-propyl)-1H-indol-3-yl]-1H-quinoxalin-2-one
- FAB-MS: m/z 320 [MH+]
- Dimethyl-{3-[3-(1-methyl-1H-indol-3-yl)-2-oxo-2H-quinoxalin-1-yl]propyl}-ammonium trifluoroacetate
- FAB-MS: m/z 361 [MH+]
- 3-{3-[4-(2-Hydroxy-ethyl)-3-oxo-3,4-dihydro-quinoxalin-2-yl]-indol-1-yl}propyl-ammonium acetate
- FAB-MS: m/z 363 [MH+]
- 3-[2-Benzyl-1-(3-hydroxy-propyl)-1H-indol-3-yl]-1H-quinoxalin-2-one
- FAB-MS: m/z 410 [MH+]
- 3-[2-Benzyl-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/z 409 [MH+]
- 3-[1-(3-Ammonium-propyl)-1H-indol-3-yl]-1,5-dimethyl-2-oxo-1,2-dihydro-pyrido[2,3-b]pyrazin-5-ium bistrifluoroacetate
- FAB-MS: m/z 348 [MH+]
- [3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-acetic acid tert-butyl ester
- FAB-MS: m/z 376 [MH+]
- [3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-acetic acid
- FAB-MS: m/z 320 [MH+]
- 3-[2-Benzyl-1-(3-hydroxy-propyl)-1H-indol-3-yl]-1H-quinoxalin-2-one
- FAB-MS: m/s 410 [MH+]
- 3-[2-Benzyl-3-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/s 409 [MH+]
- [3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-acetic acid tert butyl ester
- FAB-MS: in/s 376 [MH+]
- [3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-acetic acid
- FAB-MS: m/s 320 [MH+]
- 3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate
- FAB-MS: m/s 369 [MH+]
- The invention also provides the free bases of those of the above compounds which are exemplified as salts.
Claims (21)
wherein X, Y, Z and A is each independently carbon or nitrogen, and at least two of X, Y, Z and A are carbon;
and pharmaceutically acceptable salts thereof,
with the proviso that:
3-(1H-Indol-3-yl)-1H-quinoxalin-2-one,
3-(2-Methyl-1H-indol-3-yl)-1H-quinoxalin-2-one, and
3-(1,2-Diphenyl-1H-indol-3-yl)-1H-quinoxalin-2-one
are excluded from compounds of formula (I).
wherein X, Y, Z and A are as defined in ,
claim 1
R1, R2, R3, and R4 is each independently H, hydroxy, amino, nitro, halo, C1-6 alkyl, phenylC1-6 alkyl, C1-6 alkoxy, haloC1-6 alkyl, carboxyC1-6 alkyl ester or R1 and R2 or R2 and R3 or R3 and R4 form an annulated aromatic ring, or when the atom to which it would be attached is nitrogen, is absent;
R5 and R6 is each independently H, C1-6 alkyl, hydroxyC1-6 alkyl, aminoC1-6 alkyl, phenylC1-6 alkyl, carboxyC1-6 alkyl, C1-6 alkenyl, (phenylC1-3 alkoxy)C1-3 alkyl, (C1-6 acyloxy)C1-6 alkyl, (C1-6 alkoxycarbonyl)C1-6 alkyl, (mono- or di-C1-6 alkyl)aminoC1-6 alkyl, (C1-6 alkyl)aminocarbonylC1-6 alkyl, (C1-6 acylamino)C1-6 alkyl, (aminoC1-3 alkylphenyl)C1-3 alkyl, or aminodeoxysugar;
R7 and R8 is each independently H, amino, nitro, hydroxy, halogen,
C1-6 alkoxy, phenylC1-6 alkoxy or carboxyC1-6 alkyl ester;
R9 is H, C1-6 alkyl, phenyl, halophenyl or phenylC1-6 alkyl and wherein when R5 and R9 together comprise3-5 carbons they may be linked to generate a cyclic moiety which may be aminoC1-6 alkyl substituted;
and wherein at least one of R1 to R9 is not H and wherein when the only one of R1 to R9 which is not H is R9, R9 is not methyl;
and pharmaceutically acceptable salts thereof.
3. A compound according to , wherein at least one of R5 and R6 is aminoC1-6alkyl.
claim 2
4. A compound according to any of to , wherein at least one of Y and Z is substituted.
claims 1
3
5. A compound according to any one of to , wherein at least one of Y and Z is substituted with halo, methoxy or carboxylic ester.
claims 1
4
6. A compound according to any one of to wherein position 5 of the indole is substituted.
claims 1
5
7. A compound according to any one of to wherein R9 is H or alkyl.
claims 2
6
8. A compound according to any one of to wherein R5 or R6 is an aminodeoxysugar, comprising a six membered ring.
claims 2
7
9. A compound according to any one of to wherein R5 and R9 together form a six membered ring.
claims 2
7
10. A compound according to any one of to wherein three or four of X,Y,Z and A are carbon.
claims 1
9
11. A compound according to any one of to wherein R1 and R2, or R2 and R3, or R3 and R4 form an annulated aromatic ring.
claims 2
10
12. The compounds:
3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium acetate,
3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[3-(6,7-Dichloro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate,
3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]-propyl-ammonium acetate,
3-[5-Methoxycarbonyl-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[3-(4-tert-Butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-5-methoxycarbonyl-indol-1-yl]propyl-ammonium acetate,
3-[3-(4-(3-Ammoniumpropyl)-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]propyl-ammonium bis trifluoroacetate,
Dimethyl-{3-[3-(1-methyl-1H-indol-3-yl)-2-oxo-2H-quinoxalin-1-yl]-propyl}-ammonium trifluoroacetate,
3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[6-Benzyloxy-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[5-Benzyloxy-3-(4-tert-butoxycarbonylmethyl-7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[2-(4-Chloro-phenyl)-3-(7-methoxy-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[2-(4-Chloro-phenyl)-3-(7-methoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
3-[3-(6,7-Dichloro-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-2-ethyl-indol-1-yl]-propyl-ammonium acetate,
3-[3-(5-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-6-nitro-indol-1-yl]-propyl-ammonium acetate,
3-[6-Nitro-3-(6-nitro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
4-[3-(3-Oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium acetate,
3-[3-(4-Methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-ylmethyl]benzyl-ammonium trifluoroacetate,
3-[3-(4-Benzyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium trifluoroacetate;
and other pharmaceutically acceptable salts thereof.
13. The compound:
3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl-ammonium acetate,
and other pharmaceutically acceptable salts thereof.
14. A free amine of a compound according to .
claim 12
15. A compound according to any one of to , for use in medical therapy.
claims 1
13
16. A compound according to wherein the medical therapy is the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders.
claim 15
17. Use of a compound according to any one of to in the manufacture of a medicament for use in the treatment of inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorders.
claims 1
13
18. A method for the treatment of an inflammatory, immunological, bronchopulmonary, cardiovascular, oncological or CNS-degenerative disorder, wherein a therapeutically effective amount of a compound according to any one of to is administered to a mammal in the need of such treatment.
claims 1
13
19. A pharmaceutical composition wherein the active ingredient is a compound according to any one of to .
claims 1
13
wherein X, Y, Z, A, are as defined in ; R1 to R9 are as defined in and at least one of R5 and R6 carries a protected amino, carboxy or hydroxy group, or
claim 1
claim 2
wherein R5, R7, R8, and R9 are as defined in , but when R5 carries an amino, carboxy or hydroxy groups, such group is in a protected form; and LG is a leaving group.
claim 2
21. A process for the preparation of a compound according to when at least one of R5 and R6 of formula (IA) carries an amino, carboxy or hydroxy group, and pharmaceutically acceptable salts thereof, comprising:
claim 2
a) deprotecting a compound of formula (II) corresponding to formula (IA) but in which at least one of R5 and R6 carries protected amino, carboxy or hydroxy groups, or
b) converting a compound of formula (IA), in which at least one of R5 and R6 carries amino or carboxy groups
i) to a pharmaceutically acceptable salt thereof, or vice versa; or
ii) a pharmaceutically acceptable salt of a compound of formula (IA) into a different pharmaceutically acceptable salt; or
wherein R5, R7, R8, and R9 are as defined in and LG is a leaving group, with a compound of formula (IV):
claim 2
wherein R1-R4 are as defined in and A, X, Y, and Z are as defined in ; and when R5 in formula (III) carries an amino, carboxy or hydroxy groups such groups are suitably protected and the protecting group removed in a subsequent deprotecting step; or
claim 2
claim 1
when R6 is other than H, comprising reacting a compound of formula (II) which corresponds to formula (I), but in which R6 is H, with a suitable alkylating agent in the presence of a base and wherein when R5 in formula (II) or the alkylating agent carries an amino, carboxy or hydroxy group, such group is suitably protected and the protecting group removed in a subsequent deprotecting step.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/865,231 US20010025043A1 (en) | 1996-09-25 | 2001-05-25 | New pharmaceutical active compounds |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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SE9603505A SE9603505D0 (en) | 1996-09-25 | 1996-09-25 | New compounds |
SE9603505-0 | 1996-09-25 | ||
SE9702747A SE9702747D0 (en) | 1997-07-18 | 1997-07-18 | New compounds |
US08/981,266 US6271231B1 (en) | 1996-09-25 | 1997-09-19 | Pharmaceutically active compounds |
PCT/SE1997/001582 WO1998013368A1 (en) | 1996-09-25 | 1997-09-19 | New pharmaceutically active compounds |
US09/865,231 US20010025043A1 (en) | 1996-09-25 | 2001-05-25 | New pharmaceutical active compounds |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US08/981,266 Division US6271231B1 (en) | 1996-09-25 | 1997-09-19 | Pharmaceutically active compounds |
Publications (1)
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US20010025043A1 true US20010025043A1 (en) | 2001-09-27 |
Family
ID=26662759
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US08/981,266 Expired - Fee Related US6271231B1 (en) | 1996-09-25 | 1997-09-19 | Pharmaceutically active compounds |
US09/865,231 Abandoned US20010025043A1 (en) | 1996-09-25 | 2001-05-25 | New pharmaceutical active compounds |
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US08/981,266 Expired - Fee Related US6271231B1 (en) | 1996-09-25 | 1997-09-19 | Pharmaceutically active compounds |
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---|---|
US (2) | US6271231B1 (en) |
EP (1) | EP0929551A1 (en) |
AR (1) | AR008853A1 (en) |
AU (1) | AU716279B2 (en) |
CA (1) | CA2265854A1 (en) |
NZ (1) | NZ334531A (en) |
TW (1) | TW472045B (en) |
WO (1) | WO1998013368A1 (en) |
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US20060004011A1 (en) * | 2003-06-30 | 2006-01-05 | Bayer Pharmaceuticals Corporation | Indolyl pyrazinone derivatives useful for treating hyper-proliferative disorders and diseases associated with angiogenesis |
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1997
- 1997-09-18 TW TW086113549A patent/TW472045B/en active
- 1997-09-19 CA CA002265854A patent/CA2265854A1/en not_active Abandoned
- 1997-09-19 US US08/981,266 patent/US6271231B1/en not_active Expired - Fee Related
- 1997-09-19 NZ NZ334531A patent/NZ334531A/en unknown
- 1997-09-19 AU AU44775/97A patent/AU716279B2/en not_active Ceased
- 1997-09-19 WO PCT/SE1997/001582 patent/WO1998013368A1/en not_active Application Discontinuation
- 1997-09-19 EP EP97943259A patent/EP0929551A1/en not_active Withdrawn
- 1997-09-25 AR ARP970104421A patent/AR008853A1/en not_active Application Discontinuation
-
2001
- 2001-05-25 US US09/865,231 patent/US20010025043A1/en not_active Abandoned
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JP2005534646A (en) * | 2002-05-30 | 2005-11-17 | アストラゼネカ・アクチエボラーグ | New substituted indole |
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JP2006509840A (en) * | 2002-11-12 | 2006-03-23 | バイエル・フアーマシユーチカルズ・コーポレーシヨン | Indolylpyrazinone derivatives useful for treating hyperproliferative diseases and diseases associated with angiogenesis |
US20060004011A1 (en) * | 2003-06-30 | 2006-01-05 | Bayer Pharmaceuticals Corporation | Indolyl pyrazinone derivatives useful for treating hyper-proliferative disorders and diseases associated with angiogenesis |
Also Published As
Publication number | Publication date |
---|---|
AR008853A1 (en) | 2000-02-23 |
US6271231B1 (en) | 2001-08-07 |
NZ334531A (en) | 2000-09-29 |
WO1998013368A1 (en) | 1998-04-02 |
AU4477597A (en) | 1998-04-17 |
AU716279B2 (en) | 2000-02-24 |
EP0929551A1 (en) | 1999-07-21 |
TW472045B (en) | 2002-01-11 |
CA2265854A1 (en) | 1998-04-02 |
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