WO2004013127A1 - Verfahren zur herstellung von hochreinen hydroxyindolylglyoxylsäureamiden - Google Patents
Verfahren zur herstellung von hochreinen hydroxyindolylglyoxylsäureamiden Download PDFInfo
- Publication number
- WO2004013127A1 WO2004013127A1 PCT/EP2003/008500 EP0308500W WO2004013127A1 WO 2004013127 A1 WO2004013127 A1 WO 2004013127A1 EP 0308500 W EP0308500 W EP 0308500W WO 2004013127 A1 WO2004013127 A1 WO 2004013127A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- aryl
- awd
- benzyloxy
- compound
- 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.)
- Ceased
Links
- 0 C*([n]c1c2)cc1cc(*=C)c2C1=*CC1 Chemical compound C*([n]c1c2)cc1cc(*=C)c2C1=*CC1 0.000 description 6
- XLTIHTSRYUDVFH-UHFFFAOYSA-N CC1C=C(C[n](ccc2c3)c2ccc3OCc2ccccc2)C=CC1F Chemical compound CC1C=C(C[n](ccc2c3)c2ccc3OCc2ccccc2)C=CC1F XLTIHTSRYUDVFH-UHFFFAOYSA-N 0.000 description 1
- DMWGFZLWSCHFGH-UHFFFAOYSA-N O=C(C(Cl)=O)c1c[n](Cc(cc2)ccc2F)c(cc2)c1cc2OCc1ccccc1 Chemical compound O=C(C(Cl)=O)c1c[n](Cc(cc2)ccc2F)c(cc2)c1cc2OCc1ccccc1 DMWGFZLWSCHFGH-UHFFFAOYSA-N 0.000 description 1
- DCYXFZBLPKYOBU-BENRWUELSA-N Oc1ccc2[n](/C=C3/C=CC(F)=CC3)cc(C(C(Nc(c(Cl)cnc3)c3Cl)=O)=O)c2c1 Chemical compound Oc1ccc2[n](/C=C3/C=CC(F)=CC3)cc(C(C(Nc(c(Cl)cnc3)c3Cl)=O)=O)c2c1 DCYXFZBLPKYOBU-BENRWUELSA-N 0.000 description 1
Classifications
-
- 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
- C07D401/12—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 chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D209/22—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with an aralkyl radical attached to the ring nitrogen atom
Definitions
- the invention relates to a process for the preparation of substituted hydroxyindolylglyoxylamides of the general formula 1,
- Patents US 2,825,734 and US Pat. No. 3,188,313 describe various indol-3-ylglyoxylamides which are prepared in the manner shown in Scheme 1. These compounds are used as intermediates for the production of indole derivatives formed by reductions which do not correspond to general formula 1. This also applies to the indol-3-ylglyoxylamides described in US Pat. No. 3,642,803.
- Farmaco 22 (1967), 229-244 describes the preparation of 5-methoxyindol-3-ylglyoxylic acid amides.
- the indole derivative used is reacted again with oxalyl chloride and the resulting indol-3-ylglyoxylic acid chloride is reacted with an amine.
- substituent -R for alkyl, cycloalkyl, arylalkyl, aryl, heteroaryl, acyl, alkoxycarbonyl, aryloxycarbonyl, aminocarbonyl, N-substituted aminocarbonyl, silyl, sulfonyl groups and complexing agents, such as compounds of boric acid, phosphoric acid and covalently or coordinatively bound metals such as zinc, aluminum or copper.
- complexing agents such as compounds of boric acid, phosphoric acid and covalently or coordinatively bound metals such as zinc, aluminum or copper.
- both acids and bases such as, for example, hydrobromic acid, hydrochloric acid or hydroiodic acid or sodium hydroxide solution, potassium hydroxide solution and sodium or potassium carbonate, but also activating Lewis acids, such as, for example, AICI 3 , BF 3 , BBr 3 or LiCI, are used .
- the cleavage reaction takes place in the absence or in the presence of additional activators, such as ethane-1, 2-dithiol or benzyl mercaptan, and ether cleavages, using hydrogen, under elevated pressure or under atmospheric pressure, in the presence of a suitable catalyst, such as, for example, palladium or iridium catalysts ,
- a suitable catalyst such as, for example, palladium or iridium catalysts .
- the intermediates according to scheme 1 in particular the 1 - (4- F u u rb e n cyl) - derivatives required for the production of AWD 12-281 (formula 2), s e h r sc l e c ht i s o l i e rb a r.
- 1 - (4-fluorobenzyl) -5-methoxyindole has to be isolated using an extractive process in order to achieve a quality that can be used industrially. The yield is inevitably reduced by such complex processes.
- the hydroxyindol-3-ylglyoxylamides of the formula 1 obtained after splitting off the leaving group -R according to DE 198 18 964 A1 initially occur as highly contaminated products which can only be converted into a pure product by very complex isolation and workup processes Form can be brought. This is mainly due to the unreacted preliminary stage contained in the product as the main impurity, i.e. the proportion in which -R is not was split off, as well as attributed to the inorganic components contained.
- the process according to the invention relates to the preparation of hydroxyindol-3-ylglyoxylamides of the formula 1
- R 1 is -C T -C ß -alkyl, straight-chain or branched-chain, saturated or partially unsaturated, is optionally mono- or polysubstituted with mono-, bi- or tricyclic saturated or mono- or polyunsaturated carbocycles with 3-14 ring members or mono-, bi- or tricyclic saturated or mono- or polyunsaturated heterocycles with 5-1 5 ring members and 1-6 heteroatoms, which are preferably N, O and S are, the carbocyclic and heterocyclic substituents in turn, if appropriate, one or more times with -OH, -SH, -NH 2 , -NHC r C 6 -alkyl, -N (C r C 6 -alkyl) 2 , -NHC 6 -C 14 aryl, -N (C 6 -C 14 aryl) 2 , -N (C 1 -C 6 alkyl) (C 6 -C u aryl), -NO
- R 2 , R 3 can be hydrogen or -OH, at least one of the two substituents being -OH;
- R 4 represents a mono- or polycyclic aromatic carbocycle with 6-14 ring members or a mono- or polycyclic herterocycle with 5-1 5 ring members, the heteroatoms being selected from N, O and S, optionally substituted one or more times with -F, -Cl, - Br, -I, -OH, -SH, -NH 2 / - NH (C r C 6 alkyl), -N (CC 6 alkyl) 2 , -NH (C 6 -C 14 aryl), -N (C 6 -C 14 aryl) 2 , -N (C r C 6 alkyl) (C 6 -C 14 aryl), -NO 2 , -CN, -OC r C 6 alkyl , -OC 6 -C 14 -aryl, -C r C 6 -alkyl, -C 6 -C 14 -aryl or / and -COOH, where each CC 6 -al
- R 1 is preferably an optionally substituted CC 3 alkyl radical, such as n-propyl, isopropyl, cyclopentylmethyl or a benzyl radical, which in turn is substituted one or more times by halogen, for example -F, -OC
- halogen for example -F, -OC
- R 4 preferably represents mono- or bicyclic aromatic carbocycles or heterocycles, in particular N-heterocycles.
- R 4 particularly preferably represents phenyl or pyridyl, in particular 4-pyridyl.
- R 4 is substituted one or more times with -F, -Cl, -Br or / and I.
- the method according to the invention preferably comprises the steps:
- step (c) reacting compound 1_c with a compound selected from NH 3 , H 2 NR and HNR 2 , wherein each R is independently any organic radical, for example as defined for R 1 above, preferably with a compound H 2 NR, where R is as defined for R 4 above, to a compound 1_d according to scheme 1 and (d) reacting compound 1 d to the target compound 1, comprising the elimination of benzyl at R 2 and / or R 3 and, if appropriate (if this has not yet been done in step (c)), the introduction of the group R 4 .
- the end products namely the hydroxyindol-3-ylglyoxylic acid amides of the formula 1, can also be used in a novel manner, i.e. can be isolated from the reaction mixture in a very pure form with significantly less time, equipment and material expenditure and thus very inexpensively.
- the isolation can also be carried out by adding small amounts of suitable solvents to a solution of hydroxyindol-3-ylglyoxylic acid amides of the formula 1, heating and in the Heat or after cooling, the products are separated in a very pure form.
- C 4 alcohols especially ethanol, alcohol mixtures or alcohol mixtures with water - as a solvent for the inventive insulation to lower alcohols such as C, are suitable.
- Volumes of up to 15 times the volume, based on the isolated product are preferably regarded as small volumes of suitable solvents. When using pure alcohols, volumes up to 5 times the volume, based on the isolated product, are sufficient.
- Suitable bases for the solution of the hydroxyindol-3-ylglyoxylic acid amides of the formula 1 are suitable bases for the formation of solutions, such as sodium hydroxide solution or potassium hydroxide solution.
- Suitable acids for the precipitation of the hydroxyindol-3-ylglyoxylamides of formula 1 are mineral acids such as hydrochloric acid or inexpensive organic acids such as acetic acid.
- the invention further relates to compounds of the general formulas 1b, 1_c and ld as shown in the above scheme and their use as intermediates in the synthesis of compounds of the formula 1.
- Step 1 5-benzyloxy-1 - (4-fluorobenzyl) indole
- Step 2 5-benzyloxy-1 - (4-fluorobenzyl) indol-3-ylglyoxylic acid chloride
- a solution of 5-benzyloxy-1- (4-fluorobenzyl) indole in 200 ml THF is cooled to 0 ° C. under an N 2 atmosphere.
- a solution of the oxalyl chloride in 100 ml of THF is added dropwise with stirring and further cooling in such a way that the internal temperature does not exceed 10 ° C.
- the reaction mixture is then refluxed for 2 hours.
- the solvent is distilled off as completely as possible in vacuo at a bath temperature of 50-60 ° C.
- the crude product remains as a residue and crystallizes on cooling. It is used in the next reaction stage without further work-up.
- Step 3 N- (3,5-dichloropyrid-4-yl) - [5-benzyloxy-1 - (4-fluorobenzyl) indole-3-yl] glyoxylic acid amide
- the sodium hydride is introduced into 80 ml of THF with stirring. Then a solution of 4-amino-3,5-dichloropyridine in 1 20 ml of THF is added dropwise. After the mixture was stirred for a further 1 hour at room temperature, the mixture was cooled to an internal temperature of -5 to 0 ° C. A solution of the 5-benzyloxy-1 - (4-fluorobenzyl) indol-3-yl-glyoxylic acid chloride (crude product) obtained in the second stage in 200 ml of THF is added dropwise with stirring. The reaction mixture is then refluxed for 3 hours. The solvent is distilled off in vacuo.
- Step 4 N- (3,5-dichloropyrid-4-yl) - [1 - (4-fluorobenzyl) -5-hydroxy-indol-3-yl] glyoxylic acid amide (AWD 1 2-281) ( Formula 2)
- the organic phase is separated off, the aqueous phase is extracted again with 100 ml of toluene and 720 ml of ethanol and 3.6 g of activated carbon are added to the aqueous phase. It is filtered and the product is precipitated with 57 ml of acetic acid. It is suctioned off, washed with water and with ethanol and dried. The yield is 34.1 g, corresponding to 85% of theory. Th.
- AWD 12-281 in high purity.
- the particularly pure form of the AWD 12-281 produced by the process according to the invention is characterized in that the content is greater than 98% and the total of all impurities is always not more than 0.5%.
- the content of the known main impurity N- (3,5-dichloropyrid-4-yl) - [5-benzyloxy-1 ⁇ (4-fluorobenzyl) indol-3-yl] -glyoxy acid amide is not more than 0 .2% and inorganic constituents have been removed to such an extent that, according to the sulfate ash determination, they are less than 0.1%.
- Numerous further compounds of formula 1 can be prepared in particularly pure form using the exemplary variants indicated, of which the following are exemplified:
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Description
Claims
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ537947A NZ537947A (en) | 2002-08-01 | 2003-07-31 | Method for producing highly pure hydroxy indolyl glyoxylic acid amides |
| BR0313467-9A BR0313467A (pt) | 2002-08-01 | 2003-07-31 | Processo para preparação de hidroxiindolilglioxilamidas de alta pureza |
| HR20050201A HRP20050201A2 (en) | 2002-08-01 | 2003-07-31 | Method for producing highly pure hydroxy indolyl glyoxylic acid amideslyoxylic acid amides |
| MXPA05001227A MXPA05001227A (es) | 2002-08-01 | 2003-07-31 | Metodo para la produccion de amidas de acido hidroxi indolil glioxilico de gran pureza. |
| EP03766389A EP1525197A1 (de) | 2002-08-01 | 2003-07-31 | VERFAHREN ZUR HERSTELLUNG VON HOCHREINEN HYDROXYINDOLYLGLYOXYLSÄUREAMIDEN |
| AU2003255341A AU2003255341A1 (en) | 2002-08-01 | 2003-07-31 | Method for producing highly pure hydroxy indolyl glyoxylic acid amides |
| CA002493982A CA2493982A1 (en) | 2002-08-01 | 2003-07-31 | Method for producing highly pure hydroxy indolyl glyoxylic acid amides |
| JP2004525409A JP2006503002A (ja) | 2002-08-01 | 2003-07-31 | 高純度ヒドロキシインドリルグリオキシル酸アミドの製造方法 |
| IL16594904A IL165949A0 (en) | 2002-08-01 | 2004-12-23 | Method for producing highly pure hydroxy indyoxylic acid amides |
| NO20051086A NO20051086L (no) | 2002-08-01 | 2005-02-28 | Fremgangsmate for fremstilling av meget rene hydroksyindolylglyoksylsyreamider |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40023602P | 2002-08-01 | 2002-08-01 | |
| US60/400,236 | 2002-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004013127A1 true WO2004013127A1 (de) | 2004-02-12 |
Family
ID=31495805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2003/008500 Ceased WO2004013127A1 (de) | 2002-08-01 | 2003-07-31 | Verfahren zur herstellung von hochreinen hydroxyindolylglyoxylsäureamiden |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US7122674B2 (de) |
| EP (1) | EP1525197A1 (de) |
| JP (1) | JP2006503002A (de) |
| KR (1) | KR20050026095A (de) |
| CN (1) | CN1325490C (de) |
| AU (1) | AU2003255341A1 (de) |
| BR (1) | BR0313467A (de) |
| CA (1) | CA2493982A1 (de) |
| HR (1) | HRP20050201A2 (de) |
| IL (1) | IL165949A0 (de) |
| MX (1) | MXPA05001227A (de) |
| NO (1) | NO20051086L (de) |
| NZ (1) | NZ537947A (de) |
| PL (1) | PL375492A1 (de) |
| RU (1) | RU2315046C2 (de) |
| TW (1) | TW200505854A (de) |
| WO (1) | WO2004013127A1 (de) |
| ZA (1) | ZA200500454B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7749999B2 (en) | 2003-09-11 | 2010-07-06 | Itherx Pharmaceuticals, Inc. | Alpha-ketoamides and derivatives thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH375712A (de) * | 1959-01-16 | 1964-03-15 | Sandoz Ag | Verfahren zur Herstellung von neuen, hydroxylierten Indol-Derivaten |
| GB1276966A (en) * | 1969-11-24 | 1972-06-07 | Hoffmann La Roche | A PROCESS FOR THE MANUFACTURE OF INDOLES, A PROCESS FOR THE PREPARATION OF ORTHO-NITRO-beta-AMINOSTYRENES USEFUL THEREIN AND CERTAIN ORTHO-NITRO-beta-AMINOSTYRENES PER SE |
| US3976639A (en) * | 1970-11-04 | 1976-08-24 | Hoffmann-La Roche Inc. | Intermediates for indoles |
| DE19818964A1 (de) * | 1998-04-28 | 1999-11-04 | Dresden Arzneimittel | Neue Hydroxyindole, deren Verwendung als Inhibitoren der Phospodiesterase 4 und Verfahren zu deren Herstellung |
| US6008231A (en) * | 1996-09-06 | 1999-12-28 | Asta Medica Aktiengesellschgt | N-substituted indole-3 glyoxylamides having anti-asthmatic antiallergic and immunosuppressant/immuno-modulating action |
| EP0972763A1 (de) * | 1998-07-15 | 2000-01-19 | Bristol-Myers Squibb Company | Verfahren zur Herstellung von substituierten Indolen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2953575A (en) * | 1955-11-08 | 1960-09-20 | Houdry Process Corp | Preparation of indole |
| JP3842043B2 (ja) | 1998-04-28 | 2006-11-08 | エルビオン アクチエンゲゼルシャフト | 新規ヒドロキシインドール、ホスホジエステラーゼ4のインヒビタとしてのその使用及びその製法 |
-
2003
- 2003-07-31 NZ NZ537947A patent/NZ537947A/en unknown
- 2003-07-31 CN CNB038185377A patent/CN1325490C/zh not_active Expired - Fee Related
- 2003-07-31 EP EP03766389A patent/EP1525197A1/de not_active Withdrawn
- 2003-07-31 PL PL03375492A patent/PL375492A1/xx unknown
- 2003-07-31 CA CA002493982A patent/CA2493982A1/en not_active Abandoned
- 2003-07-31 KR KR1020057001815A patent/KR20050026095A/ko not_active Withdrawn
- 2003-07-31 WO PCT/EP2003/008500 patent/WO2004013127A1/de not_active Ceased
- 2003-07-31 AU AU2003255341A patent/AU2003255341A1/en not_active Abandoned
- 2003-07-31 MX MXPA05001227A patent/MXPA05001227A/es unknown
- 2003-07-31 BR BR0313467-9A patent/BR0313467A/pt not_active IP Right Cessation
- 2003-07-31 HR HR20050201A patent/HRP20050201A2/hr not_active Application Discontinuation
- 2003-07-31 JP JP2004525409A patent/JP2006503002A/ja not_active Withdrawn
- 2003-07-31 US US10/631,475 patent/US7122674B2/en not_active Expired - Fee Related
- 2003-07-31 RU RU2005105581/04A patent/RU2315046C2/ru not_active IP Right Cessation
- 2003-08-07 TW TW092121702A patent/TW200505854A/zh unknown
-
2004
- 2004-12-23 IL IL16594904A patent/IL165949A0/xx unknown
-
2005
- 2005-01-18 ZA ZA200500454A patent/ZA200500454B/en unknown
- 2005-02-28 NO NO20051086A patent/NO20051086L/no not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH375712A (de) * | 1959-01-16 | 1964-03-15 | Sandoz Ag | Verfahren zur Herstellung von neuen, hydroxylierten Indol-Derivaten |
| GB1276966A (en) * | 1969-11-24 | 1972-06-07 | Hoffmann La Roche | A PROCESS FOR THE MANUFACTURE OF INDOLES, A PROCESS FOR THE PREPARATION OF ORTHO-NITRO-beta-AMINOSTYRENES USEFUL THEREIN AND CERTAIN ORTHO-NITRO-beta-AMINOSTYRENES PER SE |
| US3976639A (en) * | 1970-11-04 | 1976-08-24 | Hoffmann-La Roche Inc. | Intermediates for indoles |
| US6008231A (en) * | 1996-09-06 | 1999-12-28 | Asta Medica Aktiengesellschgt | N-substituted indole-3 glyoxylamides having anti-asthmatic antiallergic and immunosuppressant/immuno-modulating action |
| DE19818964A1 (de) * | 1998-04-28 | 1999-11-04 | Dresden Arzneimittel | Neue Hydroxyindole, deren Verwendung als Inhibitoren der Phospodiesterase 4 und Verfahren zu deren Herstellung |
| EP0972763A1 (de) * | 1998-07-15 | 2000-01-19 | Bristol-Myers Squibb Company | Verfahren zur Herstellung von substituierten Indolen |
Non-Patent Citations (2)
| Title |
|---|
| G. EHRHART ET AL: "1-Benzyl-gramin-derivate mit Serotonin-antagonistischer Wirkung", ARCHIV DER PHARMAZIE., vol. 294, no. 9, 1961, VCH VERLAGSGESELLSCHAFT MBH, WEINHEIM., DE, pages 550 - 555, XP008024853, ISSN: 0365-6233 * |
| M. LIPP ET AL: "Notiz über einige Derivate der [5-Benzyloxy-indolyl-(3)]-glyoxylsäure", CHEMISCHE BERICHTE., vol. 91, 1958, VERLAG CHEMIE GMBH. WEINHEIM., DE, pages 242 - 243, XP002262238, ISSN: 0009-2940 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7749999B2 (en) | 2003-09-11 | 2010-07-06 | Itherx Pharmaceuticals, Inc. | Alpha-ketoamides and derivatives thereof |
| US7897599B2 (en) | 2003-09-11 | 2011-03-01 | iTherX Pharmaceuticals Inc. | Cytokine inhibitors |
| US7919617B2 (en) | 2003-09-11 | 2011-04-05 | iTherX Pharmaceuticals Inc. | Cytokine inhibitors |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0313467A (pt) | 2005-07-05 |
| CN1325490C (zh) | 2007-07-11 |
| US20040063939A1 (en) | 2004-04-01 |
| HRP20050201A2 (en) | 2005-04-30 |
| RU2315046C2 (ru) | 2008-01-20 |
| NZ537947A (en) | 2006-11-30 |
| MXPA05001227A (es) | 2005-06-08 |
| AU2003255341A1 (en) | 2004-02-23 |
| CA2493982A1 (en) | 2004-02-12 |
| NO20051086L (no) | 2005-05-02 |
| CN1671692A (zh) | 2005-09-21 |
| RU2005105581A (ru) | 2005-11-20 |
| JP2006503002A (ja) | 2006-01-26 |
| ZA200500454B (en) | 2006-04-26 |
| KR20050026095A (ko) | 2005-03-14 |
| PL375492A1 (en) | 2005-11-28 |
| EP1525197A1 (de) | 2005-04-27 |
| TW200505854A (en) | 2005-02-16 |
| US7122674B2 (en) | 2006-10-17 |
| IL165949A0 (en) | 2006-01-15 |
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