WO1993023036A1 - Optically active condensed pyrazole compound for use in treating thrombocytopenia and erythropenia - Google Patents
Optically active condensed pyrazole compound for use in treating thrombocytopenia and erythropenia Download PDFInfo
- Publication number
- WO1993023036A1 WO1993023036A1 PCT/JP1993/000656 JP9300656W WO9323036A1 WO 1993023036 A1 WO1993023036 A1 WO 1993023036A1 JP 9300656 W JP9300656 W JP 9300656W WO 9323036 A1 WO9323036 A1 WO 9323036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- phenyl
- pyridine
- formula
- dimethylamino
- Prior art date
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Classifications
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- 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
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
- C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles
Definitions
- the present invention relates to a therapeutic agent for a decrease in the number of platelets of a certain condensed pyrazole compound, a therapeutic agent for a decrease in the number of red blood cells, and a specific optically active condensed pyrazole compound.
- intractable diseases caused by bone marrow disorders include aplastic anemia, myelodysplastic syndrome, bone marrow anemia, congenital anemia, renal anemia, congenital and idiopathic neutropenia, and idiopathic thrombocytopenic purpura Etc. are known.
- bone marrow transplantation and the like are performed for various diseases caused by bone marrow disorders when effective, but these methods have a limited supply of new bone marrow cells, Various viruses may be contaminated in the blood, and there are safety issues such as the risk of virus infection.
- M—CSF human urine-derived colony stimulating factor
- G—CSF granulocyte colony stimulating factor
- Romurtide Drugs such as Romurtide are being developed. All of these drugs have a stronger effect on the recovery of white blood cell count than the conventionally used glutathione preparations, etc., but have the effect of increasing the white blood cell count more than necessary, or the platelet count and red blood cell count. There is room for improvement in pharmacological effects. Side effects include bone pain and fever.
- pancytopenia such as leukocyte, platelet and erythrocyte counts for intractable diseases caused by the above bone marrow disorders.
- Japanese Patent Application Laid-Open No. Hei 2-85258-58 discloses a leukocyte hypophagic activity, a macrophage hypophagia activity, a leukocyte count recovery effect, an infection resistance activating effect, an antitumor effect, and an immune function improving effect. And the like, or a pharmaceutically acceptable salt thereof.
- the present inventors have conducted intensive studies in order to solve the above-mentioned problems, and found that the compound disclosed in Japanese Patent Application Laid-Open No. 2-85258 and the novel optically active substance thereof have a platelet count and a red blood cell count. Was also found to promote recovery, and the present invention was completed. That is, the present invention relates to the general formula
- R represents hydrogen, an alkyl group, an alkoxy group, or a halogen
- Y 1 is a group represented by the formula: Z]
- A represents a group represented by A 1 -B 1 or a phenyl group (which may be substituted by up to 3 halogen, nitro, amino, alkyl or alkoxy groups).
- Y 2 is the formula 2 A group represented by the formula: -A 2 —B 2 , a hydrogen atom, an alkyl group, a phenylalkyl group (where the phenyl nucleus is a halogen, nitro, amino, alkyl or alkoxy group having 1 to 3 Phenyl group (optionally substituted with 1 to 3 of halogen, nitro, amino, alkyl or alkoxy group), alkoxyalkyl group, hydroxyalkyl group, alkoxy group Carbonyl, carboxyalkyl or acyloxyalkyl.
- Y 1 and Y 2 are the formulas:
- ⁇ 2 are the same or different and represent 0-, 1 S— or 1 NR 3 — (where R 3 represents a hydrogen or an alkyl group), and ⁇ 1 , A 2 are the same or different And B 1 and B 2 are the same or different from each other and are different from each other in the form of a carboxyl group, an alkoxyl carbonyl group or a phenylalkoxycarbonyl group (where the phenyl nucleus is a halogen, nitro, amino, alkyl or alkoxy group; Which may be substituted by an individual), an acyl group, a hydroxyl group, an acyloxy group or a formula:
- R 1 and R 2 are the same or different and are hydrogen, alkyl group, dialkylaminoalkyl group, or hydroxydialkyl group, or R 1 and R 2 are nitrogen rings together with adjacent nitrogen atoms
- a therapeutic agent for thrombocytopenia comprising a condensed pyrazole compound represented by the following formula (hereinafter sometimes referred to as compound (1)), an optical isomer or a pharmaceutically acceptable salt thereof as an active ingredient;
- a method for treating thrombocytopenia which comprises administering its optical isomer or a pharmaceutically acceptable salt thereof: and a compound for producing a therapeutic agent for thrombocytopenia (1), its optical isomer Or the use of their pharmaceutically acceptable salts.
- the present invention also relates to a therapeutic agent for erythrocytopenia comprising as an active ingredient a compound (1), an optical isomer thereof or a pharmaceutically acceptable salt thereof; a compound (1), an optical isomer thereof, or a medicament thereof.
- a method for treating erythropenia which comprises administering a pharmaceutically acceptable salt; and a compound (1) for producing a therapeutic agent for erythropenia, an optical isomer thereof, or a pharmaceutically acceptable salt thereof.
- the present invention relates to (S) -3- (4-1- (2-dimethylamino-1-methylethoxy) phenyl) -11H-birazolo [3,4-b] pyridine-11-monoacetic acid and its ethyl ester or a drug thereof.
- the above acceptable salts are provided.
- halogen refers to chlorine, bromine, fluorine, and iodine.
- An alkyl group means a straight-chain or branched alkyl having 1 to 8 carbon atoms, such as methyl, ethyl, propyl, isopropyl, butyl, isoptyl, tertiary butyl, pentyl, isopentyl, hexyl, and heptyl. , Octyl and the like.
- An alkoxy group means a straight or branched alkoxy having 1 to 8 carbon atoms, such as methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, tert-butoxy, pentyloxy, isopentyloxy, and hexyloxy. , Heptyloxy, octyloxy and the like.
- the alkylene group means a linear or branched alkylene having 1 to 8 carbon atoms, and includes methylene, ethylene, 1,1-dimethylethylene, trimethylene, propylene, 2-methyltrimethylene, and 2-ethyltrimethylene. Examples include methylene, tetramethylene, pentamethylene, and heptane methylene.
- a phenylalkyl group is a straight or branched alkyl group having 1 to 4 carbon atoms.
- Alkyl such as benzyl, 1-phenylethyl, 2-phenylethyl, 3-phenylpropyl, 4-phenylbutyl, etc., and halogen, nitro, amino, carbon number 1 on those phenyl rings. It may be substituted with 1 to 3 straight-chain or branched alkyl groups or 1 to 8 straight-chain or branched alkoxy groups having 1 to 8 carbon atoms.
- alkoxyalkyl group is a straight-chain or branched alkoxy and alkyl having 1 to 4 carbon atoms, each of which is methoxymethyl, 2-methoxyethyl, 2-ethoxyethyl, 3-methoxypropyl. , 3-ethoxypropyl, 4-ethoxybutyl and the like.
- a hydroxyalkyl group is a straight-chain or technical alkyl having 1 to 4 carbon atoms, such as 1-hydroxymethyl, 2-hydroxyethyl, 3-hydroxypropyl, 2-hydroxyl. Examples include 1-methylethyl, 2,3-dihydroxypropyl and the like.
- Alkoxy force Ruponylalkyl groups are straight-chain or subdivided alkoxy and alkyl groups each having 1 to 4 carbon atoms, each of which is methoxycarbonylmethyl, ethoxycarbonylmethyl, 2 —Methoxycarbonylyl, 3-ethoxycarbonyl ⁇ pill and the like.
- a carboxyalkyl group is a straight-chain or branched alkyl having 1 to 4 carbon atoms, such as carboxymethyl, 2-carboxyl, 1-carboxyl, 3-carboxyl, etc. Is raised.
- a siloxyalkyl group is a straight chain or a branched chain having 2 to 5 carbon atoms, and the alkyl group is a straight chain or a branched chain having 1 to 4 carbon atoms.
- Technical alkyl such as 2-acetyloxyl, 3-acetyloxypropyl, and 1-benzoyloxymethyl.
- a dialkylaminoalkyl group is a straight-chain or branched alkyl having 1 to 4 carbon atoms, each of which is 2-dimethylaminoethyl, 2-diethylaminoethyl, 3-dimethylaminopropyl. , 3-Jetyl and minopropyl.
- An alkoxycarbonyl group is a straight-chain or branched alkoxy having 1 to 4 carbon atoms in the alkoxy group, such as methoxycarbonyl, ethoxycarbonyl, propyloxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, Tertiary butoxycarbonyl and the like.
- a phenylalkoxycarbonyl group is a straight-chain or branched alkody whose alkoxy group has 1 to 4 carbon atoms, such as benzyloxycarbonyl, 2-phenylethoxycarbonyl, and 3-phenylbromo.
- the acyl group is a straight-chain or branched-chain alkanoyl having 2 to 5 carbon atoms (eg, acetyl, propionyl, petyryl, vivaloyl, valeryl) or benzoyl.
- a siloxy group is a straight chain or branched alkanol or benzoyl group whose acyl group has 2 to 5 carbon atoms, such as acetoxy, propionyloxy, butyryloxy, bivaloyloxy, valeryloxy, and benzoyloxy. .
- a halogen on the phenyl ring of the benzoyl, a halogen, a nitro, an amino, a linear or branched alkyl group having 1 to 8 carbon atoms or a linear or branched alkoxy group having 1 to 8 carbon atoms. It may be substituted by 1-3.
- a heterocyclic ring formed by bonding R 1 and R 2 to an adjacent nitrogen atom is defined as a heteroatom which is optionally substituted with nitrogen, oxygen or sulfur which may be substituted with an alkyl group or a hydroxyalkyl group.
- a 5- to 7-membered ring which may have one, 11-pyrrolidinyl, piperidino, 1-piperazinyl, 4-methyl-1-piperazinyl, 4-ethyl-1-piperazinyl, 4- (2-hydroxyethyl) 1-1-piperazinyl, morpholino Thiomorpholino, 1-homopiperazinyl, 4-methyl-11-homopiperazinyl, 2-oxo-1-i-pyrrolidinyl and the like.
- Pharmaceutically acceptable salts of the compounds of general formula (I) include hydrochloride, sulfate, hydrobromide, phosphate, formate, acetate, fumarate, maleate, quaterate, Tartrate, malate, mandelate, methanesulfonate, toluenesulfonate Acid salts, such as sodium salts, potassium salts, lithium salts, magnesium salts, metal salts such as potassium salts, ammonium salts, and amine salts such as triethylamine salts
- Examples of the compound of the present invention included in the general formula (I) include the following.
- NMRCCDCI 3 5: L20 (t, 3H), 2.40 (s.6H) .2.56Ct, 2H), 3.20 t.2H) .4.20 (q.2H), 5.30Cs.2H) .6.63-8.56C7H)
- Preferred examples of the compound of the general formula (I) and a pharmaceutically acceptable salt thereof include the following compounds.
- the optical isomer can be obtained by using an optically active raw material or by optically resolving the obtained racemate.
- the active ingredient compound for achieving the object of the present invention includes 3- [4-1 (2-dimethylamino-1-methylethoxy) phenyl] -1H-pyrazo opening [3,4-b) pyridine-11-monoacetic acid And their ethyl esters, their optically active isomers or their pharmaceutically acceptable salts are particularly preferred.
- an optically active (S) -1-dimethylamino-2-propanol known from Japanese Patent Publication No. 49-19252 and, for example, 2-chloro-3- (4-fluorobenzoyl) pyridine
- a solvent inert to the reaction of benzene, toluene, xylene, pyridine, ethanol, isopropyl alcohol, ethylene glycol dimethyl ether, dimethylformamide, dioxane, etc. if necessary, sodium hydroxide, sodium 7j sodium hydride, hydrogen Using a deoxidizing agent such as lithium hydroxide, sodium hydrogencarbonate, sodium carbonate, potassium carbonate, and triethylamine, 0 to 250.
- (S) -2-chloro-3- [4-1- (2-dimethylamino-1-methylethoxy) benzoyl] pyridine is obtained.
- pyrazo ⁇ [3,4-13] pyridine compound and ethyl chloroacetate are converted to benzene, toluene, xylene, dimethylformamide, pyridine, octa ⁇ -form, dichloromethane, dichloroethane, methanol, ethanol, etc.
- a deoxidizing agent such as sodium hydroxide, 7 k potassium oxide, sodium hydride, hydrogen hydride, sodium carbonate, carbon dioxide, triethylamine, etc.
- (S)-3- [4- (2-dimethylamino-l-l-methylethoxy) phenyl] -lH-pyrazo-mouth [3,4-b] pyridine-l-ethyl acetate ethyl ester has a good absorption rate by oral administration. Moreover, since it has excellent bioavailability, it can be applied as an oral preparation.
- mice 4-5 week old BALB / c mice were whole-body irradiated with 4.0 Gy of radiation.
- Compound A was intravenously administered continuously for 3 days from 3 days before X-ray irradiation to the day before.
- blood was collected from the mouse orbital venous plexus, and the number of red blood cells was measured using an automatic blood cell counter. The experiment was performed with 8 animals per group, and the results were shown as mean ⁇ standard deviation.
- BAL BZc mice 4-5 weeks of age, were whole-body irradiated with 4.0 Gy of radiation.
- Compound A was intravenously administered for 9 days from the next day to the 9th day after X-ray irradiation.
- blood was collected from the mouse orbital venous plexus, and the number of red blood cells was measured using an automatic blood cell counter. The experiment was carried out with 6 animals per group, and the results were shown as the mean soil standard deviation.
- Glycogen was intraperitoneally administered to ICR mice (body weight: 30 to 35 g). Two hours later, ascites leukocytes were collected, and a 5 ⁇ 10 6 / m1 leukocyte suspension was prepared. To the solution (200 m), add 1001 mouse serum and 1001 yeast killed cells (1 ⁇ 10 8 cells / m 1), Incubated for a minute. Next, about 200 white blood cells in the reaction solution were observed under a microscope (magnification: X400), and the number of white blood cells that engulfed one or more killed yeast cells was counted. The relative ratio of the phagocytosis rate of the control leukocyte when 0.1 M of the test compound was added was calculated as a percentage.
- Example 7 Leukocyte recovery effect ICR mice (body weight 20 to 25 g) were intraperitoneally administered with 20 O mgZ kg of cyclophosphamide, and the compound of the present invention was intravenously administered for 3 days from the day after administration. On the 4th day after cyclophosphamide administration, blood of ICR mice was collected, and the white blood cell count was measured by Coulter / Counter. The relative ratio to the peripheral leukocyte count of the mice administered with cyclophosphamide was calculated as a percentage.
- the compound (1) of the present invention has a platelet count restoring action and a red blood cell count restoring action, and recovers the decrease in platelet count and red blood cell count due to pharmacotherapy and radiotherapy in cancer treatment It is useful as an active ingredient of a promoting drug.
- the S-isomer compound which is an optically active form of the compound (1) of the present invention, has an effect of enhancing phagocytosis of leukocytes, an effect of enhancing phagocytosis of macrophages, an effect of restoring leukocyte count, an effect of activating infection resistance, an antitumor effect, and an improvement of immunity.
- the S-form compound which is an optically active compound, has the above-described properties superior to the corresponding racemic compound and R-form compound.
- the present compound is preferably contained in a therapeutically effective amount.
- the medicament contains a pharmaceutically acceptable carrier, excipient, diluent, By mixing with dissolution aids, disintegrants, binders, etc. to make tablets, powders, capsules, injections, suppositories, infusions, etc. It can be administered to mammals. Dosage is usually human per day
- the dose is 2.5 to 1 mg Om 8 g for intravenous administration and 0.5 to 20 mg for intravenous administration.
- (S) -3- (4-1 (2-dimethylamino-11-methyle-methoxy) phenyl) -1H-pyrazo-mouth [3,4-b] pyridine-11-ethyl acetate can be obtained by the present invention. It is rapidly deethylated in vivo, and the active substance (S) 13- [4- (2- (dimethylamino-11-methylethoxy) phenyl] -1 1 H-pyrazo mouth [3,4-b pyridine-1 1 Since it is converted into an acid, it has a good absorption rate by oral administration and has excellent bioavailability, so it can be used as an active ingredient of an oral preparation.
- the toluene layer was extracted with dilute hydrochloric acid.
- the extract was made alkaline with potassium carbonate, and the liberated oil was extracted with toluene.
- the toluene was distilled off to obtain 190 g of crude (S) -2-chloro-1- (4- (2-dimethylamino-1-methylethoxy) benzoyl) pyridine as an oil.
- Compound B-containing injection is produced in the same manner as in Production Formulation Example 1 using Compound B.
- Compound C 5 Omg is thoroughly kneaded with 98 mg of hydration, 45 mg of corn starch and 3 mg of hydroxypropyl cellulose in a kneading machine.
- the kneaded product is passed through a 200 mesh sieve, dried at 50, and further passed through a 24 mesh sieve.
- This preparation can be sugar-coated or film-coated if necessary.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93910357A EP0641564A4 (en) | 1992-05-21 | 1993-05-19 | OPTICALLY ACTIVE CONDENSED PYRAZOLE COMPOUND FOR THE TREATMENT OF THROMBOCYTOPENIA AND ERYTHROPENIA. |
CA002136228A CA2136228A1 (en) | 1992-05-21 | 1993-05-19 | Use for treating thrombocytopenia, use for treating erythropenia and optically active fused pyrazole compound |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15438392 | 1992-05-21 | ||
JP4/154383 | 1992-05-21 | ||
JP16838692 | 1992-06-02 | ||
JP4/168386 | 1992-06-02 | ||
JP4199693A JPH0648941A (ja) | 1992-06-02 | 1993-02-04 | 赤血球減少症治療剤 |
JP5/41990 | 1993-02-04 | ||
JP4199093A JPH0632734A (ja) | 1992-05-21 | 1993-02-04 | 血小板減少症治療剤および光学活性なピラゾロピリジン化合物 |
JP5/41996 | 1993-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993023036A1 true WO1993023036A1 (en) | 1993-11-25 |
Family
ID=27461134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1993/000656 WO1993023036A1 (en) | 1992-05-21 | 1993-05-19 | Optically active condensed pyrazole compound for use in treating thrombocytopenia and erythropenia |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0641564A4 (ja) |
CA (1) | CA2136228A1 (ja) |
WO (1) | WO1993023036A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19649460A1 (de) * | 1996-11-26 | 1998-05-28 | Bayer Ag | Neue substituierte Pyrazolderivate |
DE19846514A1 (de) * | 1998-10-09 | 2000-04-20 | Bayer Ag | Neue Heterocyclyl-methyl-substituierte Pyrazole |
US6207831B1 (en) | 1998-12-21 | 2001-03-27 | Novartis Ag | Fluorescent dyes (AIDA) for solid phase and solution phase screening |
US7378532B2 (en) * | 2004-03-26 | 2008-05-27 | Yung Shin Pharmaceutical Ind. Co., Ltd. | Fused pyrazolyl compound |
DE102007012645A1 (de) | 2007-03-16 | 2008-09-18 | Bayer Healthcare Ag | Substituierte Imidazo- und Triazolopyrimidine |
AU2017208998B2 (en) * | 2016-01-21 | 2021-07-15 | Shanghai Institute Of Materia Medica, Chinese Academy Of Sciences | Bruton's tyrosine kinase inhibitors |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5159862A (en) * | 1974-11-22 | 1976-05-25 | Chugai Pharmaceutical Co Ltd | Indazoorujudotaino seiho |
JPH01180878A (ja) * | 1988-01-11 | 1989-07-18 | Yoshitomi Pharmaceut Ind Ltd | 縮合ピラゾール化合物 |
JPH01190681A (ja) * | 1988-01-22 | 1989-07-31 | Yoshitomi Pharmaceut Ind Ltd | ピラゾロピリジン化合物 |
JPH0285258A (ja) * | 1987-10-13 | 1990-03-26 | Yoshitomi Pharmaceut Ind Ltd | 縮合型ピラゾール化合物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989003385A1 (en) * | 1987-10-13 | 1989-04-20 | Yoshitomi Pharmaceutical Industries, Ltd. | Fused pyrazole compounds, process for their preparation, and their medicinal use |
JPH05331168A (ja) * | 1992-05-29 | 1993-12-14 | Yoshitomi Pharmaceut Ind Ltd | N−オキシドを有する新規な縮合型ピラゾール化合物 |
WO1994007865A1 (en) * | 1992-09-29 | 1994-04-14 | Yoshitomi Pharmaceutical Industries, Ltd. | Carboxylic ester compound |
-
1993
- 1993-05-19 CA CA002136228A patent/CA2136228A1/en not_active Abandoned
- 1993-05-19 WO PCT/JP1993/000656 patent/WO1993023036A1/ja not_active Application Discontinuation
- 1993-05-19 EP EP93910357A patent/EP0641564A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5159862A (en) * | 1974-11-22 | 1976-05-25 | Chugai Pharmaceutical Co Ltd | Indazoorujudotaino seiho |
JPH0285258A (ja) * | 1987-10-13 | 1990-03-26 | Yoshitomi Pharmaceut Ind Ltd | 縮合型ピラゾール化合物 |
JPH01180878A (ja) * | 1988-01-11 | 1989-07-18 | Yoshitomi Pharmaceut Ind Ltd | 縮合ピラゾール化合物 |
JPH01190681A (ja) * | 1988-01-22 | 1989-07-31 | Yoshitomi Pharmaceut Ind Ltd | ピラゾロピリジン化合物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0641564A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0641564A4 (en) | 1995-05-03 |
EP0641564A1 (en) | 1995-03-08 |
CA2136228A1 (en) | 1993-11-25 |
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