WO2004058710A1 - 新規ベンズアミド誘導体及びその製造法 - Google Patents
新規ベンズアミド誘導体及びその製造法 Download PDFInfo
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- WO2004058710A1 WO2004058710A1 PCT/JP2003/016582 JP0316582W WO2004058710A1 WO 2004058710 A1 WO2004058710 A1 WO 2004058710A1 JP 0316582 W JP0316582 W JP 0316582W WO 2004058710 A1 WO2004058710 A1 WO 2004058710A1
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- Prior art keywords
- compound
- added
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- lower alkyl
- acid
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/16—Amides, e.g. hydroxamic acids
- A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
- A61K31/166—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide having the carbon of a carboxamide group directly attached to the aromatic ring, e.g. procainamide, procarbazine, metoclopramide, labetalol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Definitions
- the present invention relates to a novel benzamide derivative that is a useful intermediate in the production of an isoquinoline derivative useful as an If current inhibitor, a method for producing the same, and a method for producing an isoquinoline derivative using the novel benzamide derivative.
- the isoquinoline derivative represented by the following general formula (A) has an activity of inhibiting If current, and selectively exhibits a potent and specific activity of lowering heart rate and reducing myocardial oxygen consumption. Therefore, it is known that it is useful as a prophylactic and / or therapeutic agent for ischemic heart diseases such as angina pectoris and myocardial infarction, and for cardiovascular diseases such as depressive heart failure and arrhythmia (Patent Document 1) .
- production method X is a production method
- the target compound N- ⁇ 2- [3- (6-, 6,7) is obtained from 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline.
- -Dimethoxy-1,2,3,4-tetrahydroisoquinoline-2-carbonyl) piperidino] ethyl ⁇ -3,4-methylenedioxybenzamide hydrochloride has an overall yield of about 16%. Yes (Refer to Reference Examples 2, 3, and 9 of the Official Gazette), very inefficient.
- purification using column chromatography is necessary, which is not preferable as an industrial production method.
- Patent Document 1 Disclosure of International Publication No. WO 00/751 3 3 No. Panfuretsuto invention
- the present inventors have conducted intensive studies on a separate method for producing an isoquinoline derivative.
- the novel production methods shown in Production Methods 2-1 and 2-2 below are excellent methods for producing an isoquinoline derivative, and
- the present inventors have found that the novel benzamide derivative represented by the following formula (I) used as a raw material in these production methods is an excellent intermediate for synthesizing an isoquinoline derivative with high yield, and completed the present invention. .
- R 3 and R 4 are the same or different and each represent -H, lower alkyl, or -0-lower alkyl; Ar represents an aryl which may be substituted. The same applies hereinafter.
- a novel benzamide derivative represented by (I) or a salt thereof is provided.
- R 1 represents —H or an ester residue
- R z represents —H or a protecting group for an amino group. The same applies hereinafter.
- the reaction is carried out to remove R 1 and Z or R 2 as necessary, and the formula (V) Wherein R 2 is a group other than -H, and R 2 is removed when R 2 is a group other than -H. .
- the “lower alkyl” is a C 1-6 linear or branched alkyl, specifically, for example, methyl, ethyl, propyl, butyl, pentyl or hexyl, or isopropyl. And is preferably a C 1-4 alkyl, more preferably methyl or ethyl.
- R 3 and R 4 are preferably -0-lower alkyl, more preferably methoxy, even more preferably, R 3 is 6-methoxy, R 4 is 7-methoxy, that is, as compound '(V) 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline.
- the group which is acceptable in the “aryl which may be substituted” in Ar may be any group which can be usually substituted by an aryl, and specifically, for example, halogen, lower alkyl, -0-lower alkyl and the like Can be mentioned.
- the optionally substituted aryl represented by Ar may be substituted with one or more of the same or different groups.
- Ar is preferably phenyl substituted with one or more halogens, more preferably phenyl substituted with one halogen, and still more preferably phenyl substituted in the 4-position with one halogen. And particularly preferably 4-fluorophenyl.
- the "protecting group for the amino group" in R 2 is any substituent on the nitrogen which can be removed without affecting other functional groups of the compound represented by the formula (I) or (IV).
- the group may be a group, and specific examples include the groups described in the aforementioned “Protective Groups in Organic Synthesis (third edition)”. More specifically, a tert-butoxycarbon group, a methoxymethyl group, a tert-butyldimethylsilyl group and the like can be mentioned.
- R 2 is preferably -H.
- reaction to remove I 1 may be any reaction that removes R 1 without affecting other functional groups of the compound represented by the formula (I). Examples thereof include alkali hydrolysis, acid hydrolysis, and catalytic reduction reaction.
- the “reaction for removing R 2 ” may be any reaction that removes R 2 without affecting other functional groups of the compound represented by the formula (I) or (IV). Specifically, for example, the reaction described in the above-mentioned “Protective Groups in Organic Synthesis (third edition) J.” More specifically, trimethinoresilyl trifluoromethanesulfonate, boron tribromide, etc. And acid hydrolysis.
- the compounds represented by the formulas (1), (II1), and (IV) have an asymmetric carbon and thus have optical isomers.
- the present invention includes mixtures and isolated forms of these optical isomers, and production methods using these.
- the (-isomer that is, a compound represented by the following formula is preferable.
- the present invention also includes a production method using a compound in which a part of the compound of the present invention is labeled with a radioisotope, and a compound in which a part of the compound is labeled with a radioisotope. You.
- the present invention also includes salts, hydrates and solvates of the compound of the present invention, and production methods using compounds that form, hydrate, or solvate salts.
- salts include, for example, salts with inorganic acids such as hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, nitric acid, phosphoric acid, and formic acid, acetic acid, propionic acid, oxalic acid, and oxalic acid.
- Organic acids such as sulfonic acid, succinic acid, fumaric acid, maleic acid, lactic acid, malic acid, tartaric acid, citric acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid;? -Toluenesulfonic acid, aspartic acid or glutamic acid Salts, salts with inorganic bases containing metals such as sodium, potassium, calcium, and magnesium; salts with organic bases such as methylamine, ethylamine, ethanolamine, lysine, orditin, and quaternary ammonium salts And the like. Manufacturing method
- the functional group is replaced with an appropriate protecting group at the stage of a raw material or an intermediate, that is, a group that can be easily converted to the functional group. May be effective in manufacturing technology. Thereafter, the desired compound can be obtained by removing the protecting group, if necessary.
- a functional group include a carbonyl group and an amino group.
- a protective group include the protective groups described in the above-mentioned “Protective Groups in Organic Synthesis (third edition)”. These may be used appropriately according to the reaction conditions.
- R 1 Ar has the meaning described above. The same applies hereinafter.
- a dihydrooxazole derivative (II) is reacted with a dipecotinic acid derivative (III) under acidic conditions, and the compound (Ia) of the present invention (I) wherein R 2 is —H ) 'Is a method of manufacturing.
- Acids that can be used in this production method include mineral acids such as sulfuric acid, hydrochloric acid, and hydrobromic acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, -toluenesulfonic acid or a hydrate thereof, and formic acid.
- Organic acids such as acetic acid and acetic acid, or Lewis acids such as boron trifluoride etherate and zinc chloride.In terms of industrial production, the reaction is inexpensive and easy to handle, and the reaction proceeds in high yield.
- Sulfonic acid-based organic acids particularly -toluenesulfonic acid or its hydrate, are preferred.
- -toluenesulfonic acid hydrate is preferred.
- the acid may be used in an amount of 10 to 120 mol% with respect to the compound (II). If the reaction is carried out with a catalytic amount, there is a risk of epipilation. It is preferable to carry out the reaction by adding an amount. Specifically, it is preferable to use 100 to 110 mol%.
- the reaction is performed using aromatic hydrocarbons such as benzene, toluene, and xylene; halogenated hydrocarbons such as dichloromethane, dichloroethane, and chloroform; dimethylformamide (DMF), dimethylacetamide (DMA), and dimethylsulfoxide.
- aromatic hydrocarbons such as benzene, toluene, and xylene
- halogenated hydrocarbons such as dichloromethane, dichloroethane, and chloroform
- DMF dimethylformamide
- DMA dimethylacetamide
- dimethylsulfoxide dimethylsulfoxide
- Aprotic polar solvent such as (DMSO); pyridine; water or a mixed solvent thereof; etc.
- R 21 represents a group other than -H in R 2. The same applies hereinafter.
- the present production method comprises reacting a compound of the present invention (Ia) produced by the production method 11-1 with a corresponding reagent, wherein R 2 of the present compound (I) is a group other than -H. This is a method for producing a certain compound (I_b).
- a reagent to be used with respect to the reagent it is also possible to apply a reagent described in “Protective Groups in Organic Synthesis (third edition)” described above or a reagent similar thereto.
- the reaction described in “Protective Groups in Organic Synthesis (third edition) J” by IJ, or a reaction similar thereto can be applied.
- R 11 represents a group other than -H in R 1 described above, and R 2 has the above-mentioned meaning. The same applies hereinafter.
- This method of preparation, in the manufacturing method 1 one 1, or Process 1 one 2 present compound prepared by (I) is - compounds other than H to R 11 of (I- c) removing, the present invention of This is a method for producing a compound (I-d) in which R 1 is —H among the compounds (I).
- the reaction is carried out by reacting compound (I-c) with an aromatic hydrocarbon; Ethers such as tetrahydrofuran (THF) and dioxane; halogenated hydrocarbons; alcohols such as methanol (MeOH), ethanol (EtOH) and 2-propanol (iPrOH); aprotic polar solvents; pyridine; water; In a solvent inert to the reaction, such as a mineral acid such as sulfuric acid, hydrochloric acid, hydrofluoric acid, or an organic acid such as formic acid or acetic acid, or sodium hydroxide, potassium hydroxide, potassium carbonate, or sodium carbonate.
- the reaction can be carried out under cooling or heating to reflux in the presence of a base such as trim, cesium carbonate 'or ammonia, and the reaction temperature can be appropriately selected according to the reaction conditions. .
- R 11 represents benzyl
- a catalytic reduction reaction using hydrogen in the presence of palladium-supported activated carbon or a platinum catalyst should be used. You can also.
- a compound in which R 11 is lower alkyl is used as a raw material.
- a mixed solvent of alcohol or the alcohol and water corresponding to R 11, under cooling, in the cooling or at room temperature or at room temperature or under heating be a method in which Ru allowed to act hydroxide Natoriumu or hydroxide force Riumu Can be.
- This production method comprises: a compound (I_e) in which R 1 is -H among the compounds (I) of the present invention produced by production methods 1_1 to 1-3 and tetrahydroisoquinoline represented by the formula (V) and derivatives condensed, R 2 is - to indicate a group other than H removes R 2, it is a method for producing isoquinoline derivatives of the formula (IV).
- a reactive derivative of the compound (I-e) can also be used.
- the reactive derivative include acid halides such as acid chloride and acid bromide; acid azide; N-hydroxy benzotriazole , P-ditrophenol, N-hydroxysuccinimide, etc .; Active esters with symmetrical acid anhydrides; Alkyl esters of halocarboxylic acids, such as alkyl carbonate halides; Bivaloyl halides, p. Mixture with halides of toluenesulfonic acid, etc. Acid anhydrides; phosphoric acid-based mixed acid anhydrides obtained by reacting with diphenylphosphoryldiphenylphosphoryl azide; and the like.
- reaction depends on the reactive derivative and the condensing agent used, but water, halogenated hydrocarbons, aromatic hydrocarbons, ethers, alcohols, ethyl acetate
- the reaction can be carried out in a solvent inert to the reaction, such as an ester such as (EtOAc), acetonitrile, an aprotic polar solvent or a mixed solvent thereof, under cooling, cooling to room temperature, or room temperature to heating. .
- a solvent inert such as an ester such as (EtOAc), acetonitrile, an aprotic polar solvent or a mixed solvent thereof, under cooling, cooling to room temperature, or room temperature to heating.
- an organic base such as potassium carbonate, cesium carbonate, sodium carbonate, sodium hydroxide, sodium hydroxide or the like, in order to make the reaction proceed smoothly.
- Compound (V) may also be used in the form of a salt thereof, preferably a hydrochloride.
- a salt may be reacted with a base in the reaction system to be used.
- This production method is represented by the following formula (V): a compound (If) in which R 1 is a group other than -H among the compounds (I) of the present invention produced according to production methods 11 to 11 and Tetrahi
- This is a method for producing an isoquinoline derivative represented by the formula (IV) by condensing a droisoquinoline derivative and, when R 2 represents a group other than —H, removing R 2 .
- the reaction is carried out in a solvent inert to the reaction, such as aromatic hydrocarbons, ethers, halogenated hydrocarbons, nonprotonic polar solvents, pyridine, water, or a mixture thereof, in the presence of the compound- (I-f )) And compound (V) can be dissolved or suspended, and the reaction can be carried out under cooling or under heating, and the reaction temperature can be appropriately selected according to the reaction conditions.
- a solvent inert to the reaction such as aromatic hydrocarbons, ethers, halogenated hydrocarbons, nonprotonic polar solvents, pyridine, water, or a mixture thereof.
- a method of distilling off the alcohol (R u -OH) that generates, sodium ⁇ beam alkali metal such as methoxide A method of reacting an alkoxide, a method of reacting a strong alkali metal base such as butyllithium and sodium hydride, a method of reacting a magnesium reagent such as a Grignard reagent, aluminum such as lithium aluminum hydride, diisobutylaluminum hydride, and trimethylaluminum Examples of the method include a method of reacting a reagent.
- NMR uses (CH 3 ) 4 Si as an internal standard
- DMSO- Shows the peak value (ppm) in 1H-NMR using ⁇ as a measurement solvent.
- the obtained residue was dissolved in porcine form and washed with 1M aqueous NaOH solution (aq). The filter layer was dried over magnesium sulfate and filtered, and then the solvent was distilled off under reduced pressure.
- the obtained residue was purified by silica gel column chromatography (elution (the same applies hereinafter): chloroform form) to give (-3- (6,7-dimethyl-1,1,2,3,4-tetrahydroisoquinoline -2 -Carbonyl) piperidine-1-carboxylic acid tert-butyl ester (6.60 g) was obtained as a colorless ammonium salt.
- Table 1 shows the elemental analysis values of this compound.
- EtOH 2601 was added to the compound obtained in Example 6, and then water 641 was added. After cooling, NaOH aq (NaOH 8.0 kg / water 901) was added, and the mixture was stirred at 25 ° C or lower for 2 hours. Under cooling, concentrated hydrochloric acid was added to the reaction solution to adjust the pH to 3.06. This ⁇ was concentrated under reduced pressure, and toluene 1901 was charged into the residue, and concentrated under reduced pressure. Toluene 1901 was added to the residue and concentrated under reduced pressure.
- Toluene 1901 was charged to the residue and concentrated under reduced pressure to obtain (1- ⁇ 2-[(4-fluorobenzoyl) amino] ethyl] ethyl'piperidine-3-force rubonic acid having a purity of 90.4%. .
- EtOH 3301 was added to the EtOH solution obtained in Example 8. Then 85% phosphoric acid 11.5 kg and water 52 1 were added, heated and the solution was filtered. The filtrate was heated under cooling with stirring, cooled, and the compound of Example 5 was added as a seed crystal, followed by further cooling. The precipitated crystals are collected by filtration, washed with EtOH, and dried under reduced pressure to give (-)-N- ⁇ 2-[(i?)-3- (6, There was obtained 36.51 kg of 7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-2-carbol) piperidino] ethyl ⁇ -4-fluorobenzamide-phosphate.
- Example 10 To the compound obtained in Example 10 were added 370 ml of EtOH, and then 91 ml of water. After cooling, NaOH aq (NaOH 11.35 gZ water 128 ml) was added, and the mixture was stirred at 25 ° C or lower for 2 hours. Under cooling, concentrated hydrochloric acid was added to the reaction solution to adjust the pH to 3.22. This solution was concentrated under reduced pressure, 270 ml of toluene was added to the residue, and concentrated under reduced pressure. The residue was charged with 270 ml of toluene and concentrated under reduced pressure.
- NaOH aq NaOH 11.35 gZ water 128 ml
- Example 10 To one of the three organic layers in Example 10 was added 100 ml of EtOAc and concentrated under reduced pressure. 120 ml of diisopropyl ether and 120 ml of normal heptane were added to the concentrated residue. The mixture was dissolved by heating, and the compound of Reference Example 7 was added as a seed crystal to cause crystallization at around -4 ° C.
- Example 14 The compound of Example 14 was crystallized from 4-fluorobenzoyl chloride of Reference Example 14. The overall yield up to the point where it was obtained was 87.4%.
- Example 15 To the compound obtained in Example 15 were added 230 ml of DMF and 34.3 g of isoquinoline monohydrochloride with 6,7-dimethoxy-1,2,3,4-tetrahydrido, and the mixture was stirred and cooled. Further, 15.11 g of triethylamine was added at 15 ° C or less, and 6.04 g of HOBt was added at 5 ° C or less. Further, 34.35 g of WSC'HC1 was added at 5 ° C or less, and the mixture was stirred at 0 to 5 ° C.
- an isoquinoline derivative useful as a preventive or therapeutic agent for ischemic heart disease such as infarction and the like and cardiovascular diseases such as depressive heart failure and arrhythmia or as a therapeutic agent can be obtained with high purity and high yield. That is, the total yield of the steps from isolating the isoquinoline derivative as a salt thereof from the known substituted benzoyl halide reaches 65% or more.
- Patent Document 1 which is a known method for producing an isoquinoline derivative, (-)-N- ⁇ 2-[(i?)-3- (6,7-dimethoxy-1,2,3,
- a salt of 4-tetrahydroisoquinolin-2-carbonyl) piperidino] ethyl ⁇ -4-fluorobenzamide is produced, as shown in Reference Examples 1 to 5, the total yield is 29%. It is about. That is, in the production of an isoquinoline derivative, by employing the production method of the present invention, an isoquinoline derivative can be produced in a high yield, so that productivity and energy efficiency are improved, and the cost is reduced economically. .
- the production method of the present invention does not require purification by column chromatography in producing an isoquinoline derivative, and is extremely efficient in industrial production.
- industrial production does not require a deprotection reaction that causes a reduction in production efficiency, and can be produced without using a halogen-based solvent, it is excellent in environmental protection and safety assurance.
- the production method of the present invention is an industrially excellent method for producing an isoquinoline derivative, and a benzamide derivative of the compound of the present invention, which is an intermediate in the production method, is a very useful intermediate for producing an isoquinoline derivative.
- a benzamide derivative of the compound of the present invention which is an intermediate in the production method, is a very useful intermediate for producing an isoquinoline derivative.
- the N-alkylation reaction of dihydrooxazole using an acid which is a production method of the present invention, which can be employed in producing a benzamide derivative, is highly versatile. It is a very important reaction.
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Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2003801099194A CN1753870A (zh) | 2002-12-25 | 2003-12-24 | 新的苯甲酰胺衍生物及其制备方法 |
US10/540,421 US20060084807A1 (en) | 2002-12-25 | 2003-12-24 | Novel denzamide derivatives and process for production thereof |
MXPA05006925A MXPA05006925A (es) | 2002-12-25 | 2003-12-24 | Derivados de benzamida novedosos y proceso para producir los mismos. |
CA002511989A CA2511989A1 (en) | 2002-12-25 | 2003-12-24 | Novel benzamide derivatives and process for producing the same |
KR1020057011965A KR100758522B1 (ko) | 2002-12-25 | 2003-12-24 | 신규 벤즈아미드 유도체 및 이의 제조법 |
AU2003292757A AU2003292757A1 (en) | 2002-12-25 | 2003-12-24 | Novel benzamide derivatives and process for production thereof |
JP2004562913A JPWO2004058710A1 (ja) | 2002-12-25 | 2003-12-24 | 新規ベンズアミド誘導体及びその製造法 |
Applications Claiming Priority (2)
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JP2002375153 | 2002-12-25 | ||
JP2002-375153 | 2002-12-25 |
Publications (1)
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WO2004058710A1 true WO2004058710A1 (ja) | 2004-07-15 |
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PCT/JP2003/016582 WO2004058710A1 (ja) | 2002-12-25 | 2003-12-24 | 新規ベンズアミド誘導体及びその製造法 |
Country Status (8)
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US (1) | US20060084807A1 (ja) |
JP (1) | JPWO2004058710A1 (ja) |
KR (1) | KR100758522B1 (ja) |
CN (1) | CN1753870A (ja) |
AU (1) | AU2003292757A1 (ja) |
CA (1) | CA2511989A1 (ja) |
MX (1) | MXPA05006925A (ja) |
WO (1) | WO2004058710A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007023775A1 (ja) * | 2005-08-23 | 2007-03-01 | Astellas Pharma Inc. | 心房細動治療剤 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02138172A (ja) * | 1988-11-19 | 1990-05-28 | Mitsubishi Kasei Corp | β−アミノ酸アミド誘導体 |
EP1186601A1 (en) * | 1999-06-03 | 2002-03-13 | Yamanouchi Pharmaceutical Co. Ltd. | Novel isoquinoline derivatives or salts thereof |
-
2003
- 2003-12-24 KR KR1020057011965A patent/KR100758522B1/ko not_active IP Right Cessation
- 2003-12-24 WO PCT/JP2003/016582 patent/WO2004058710A1/ja active Application Filing
- 2003-12-24 AU AU2003292757A patent/AU2003292757A1/en not_active Abandoned
- 2003-12-24 US US10/540,421 patent/US20060084807A1/en not_active Abandoned
- 2003-12-24 CN CNA2003801099194A patent/CN1753870A/zh active Pending
- 2003-12-24 CA CA002511989A patent/CA2511989A1/en not_active Abandoned
- 2003-12-24 JP JP2004562913A patent/JPWO2004058710A1/ja not_active Abandoned
- 2003-12-24 MX MXPA05006925A patent/MXPA05006925A/es unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02138172A (ja) * | 1988-11-19 | 1990-05-28 | Mitsubishi Kasei Corp | β−アミノ酸アミド誘導体 |
EP1186601A1 (en) * | 1999-06-03 | 2002-03-13 | Yamanouchi Pharmaceutical Co. Ltd. | Novel isoquinoline derivatives or salts thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007023775A1 (ja) * | 2005-08-23 | 2007-03-01 | Astellas Pharma Inc. | 心房細動治療剤 |
Also Published As
Publication number | Publication date |
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CN1753870A (zh) | 2006-03-29 |
CA2511989A1 (en) | 2004-07-15 |
US20060084807A1 (en) | 2006-04-20 |
MXPA05006925A (es) | 2005-12-12 |
AU2003292757A1 (en) | 2004-07-22 |
JPWO2004058710A1 (ja) | 2006-04-27 |
KR20050086940A (ko) | 2005-08-30 |
KR100758522B1 (ko) | 2007-09-14 |
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