WO2006017326A1 - Antibacterial agents - Google Patents
Antibacterial agents Download PDFInfo
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- WO2006017326A1 WO2006017326A1 PCT/US2005/024801 US2005024801W WO2006017326A1 WO 2006017326 A1 WO2006017326 A1 WO 2006017326A1 US 2005024801 W US2005024801 W US 2005024801W WO 2006017326 A1 WO2006017326 A1 WO 2006017326A1
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- dihydro
- pyrido
- alkyl
- oxo
- naphthyridin
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- 0 COC(*1)=CC=C2C1=C(*(CC1)CC1*(CC*N)N)C=C*2 Chemical compound COC(*1)=CC=C2C1=C(*(CC1)CC1*(CC*N)N)C=C*2 0.000 description 1
- SPSCGHBFCVLWFI-UHFFFAOYSA-N COc(cc1)nc2c1nccc2N(CC1)CC1NCCNS(c(cc1)nc(N2)c1SCC2=O)(=O)=O Chemical compound COc(cc1)nc2c1nccc2N(CC1)CC1NCCNS(c(cc1)nc(N2)c1SCC2=O)(=O)=O SPSCGHBFCVLWFI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Definitions
- This invention relates to novel compounds, compositions containing them, their use as antibacterials, and processes for their preparation.
- This invention comprises compounds of the formula (I), as described hereinafter, which are useful in the treatment of bacterial infections.
- This invention is also a pharmaceutical composition comprising a compound according to formula (I) and a pharmaceutically acceptable carrier.
- This invention is also processes for the preparation of compounds of formula (I), as well as processes for the preparation of intermediates useful in the synthesis of compounds of formula (I).
- This invention is also a method of treating bacterial infections in mammals, particularly in humans.
- This invention provides a compound of formula (I) or a pharmaceutically acceptable salt, solvate or derivative thereof:
- Z 3 , and Z 4 are independently N or CR ;
- Z 2 , Z 5 , and Z 6 are each CR 1a ;
- R 1 and R 1a are independently at each occurrence hydrogen; cyano; halogen; hydroxy; (C-] _g)alkoxy unsubstituted or substituted by (C- j _g)alkoxy, hydroxy, amino, piperidyl, guanidino or amidino any of which is unsubstitued or N-substituted by one or two (C-
- W 1 , W 2 , and W 3 are each CR 2 R 3 ;
- B is (CR 7 R 8 ) n .
- R 2 , R 3 , R 4 , R 7 , and R 8 are independently hydrogen; thiol; (C ⁇ alkylthio; halogen; trifluoromethyl; azido; (C 1-6 )alkyl; (C 2 . 6 )alkenyl; (C- ⁇ - 6 )alkoxycarbonyl; (C 1-6 )alkylcarbonyl; (C 2 , 6 )alkenylcarbonyl; (C 2 . 6 )alkenyloxycarbonyl; aralkyl; aryl; heterocyclyl; heterocyclylalkyl; hydroxy; amino; NR 1b R 1b ; (C 1-6 )alkylsulphonyl; (C 2 .
- R 5 , R 6 and R 9 are independently hydrogen, trifluoromethyl; (Ci. 6 )alkyl; (C 2 . 6 )alkenyl; (Ci- 6 )alkoxycarbonyl; (Ci. 6 )alkylcarbonyl; (C 2 - 6 )alkenyloxycarbonyl; aryl; aralkyl; (C 3- 8 )cycloalkyl; heterocyclyl; or heterocyclylalkyl;
- n 0, 1 , or 2;
- n 1 is 1 or 2;
- R 1b and R 1b are independently at each occurrence hydrogen; (Ci- 6 )alkyl; aralkyl; aryl; heterocyclyl; heterocyclylalkyl; or together with the nitrogen that they are attached torn an aziridine, azetidine, pyrrolidine, piperidine or hexamethyleneimine ring (wherein said aziridine, azetidine, pyrrolidine, piperidine or hexamethyleneimine ring are optionally substiuted with from 1 to 3 substituents selected from halogen, hydroxy; cyano; nitro; (Ci- 6 )alkyl; and aryl);
- R 11 is a substituted or unsubstituted bicyclic carbocyclic or heterocyclic ring system (A):
- X is C or N when part of an aromatic ring or CRi 2 when part of a non aromatic ring;
- X is N, NR 13 , O, S(O) disturb , CO or CR 12 when part of an aromatic or non-aromatic ring or may in addition be CRi 4 R 15 when part of a non aromatic ring; n" is independently at each occurrence 0, 1 or 2;
- X and X are independently N or C;
- Y is a 0 to 4 atom linker group each atom of which is independently selected from N, NR 13 , O, S(O) n ,, , CO and CR 12 when part of an aromatic or non-aromatic ring or may additionally be CR 14 R 15 when part of a non aromatic ring,
- Y is a 2 to 6 atom linker group, each atom of Y being independently selected from N, NR 13 , O, S(O) n ,, , CO and CR 12 when part of an aromatic or non-aromatic ring or may additionally be CRi 4 R 15 when part of a non aromatic ring;
- R 12 , R 14 and R 15 are at each occurrence independently selected from: H; (C ⁇ _ 4)alkylthio; halo; (C-
- Ri 3 is at each occurrence independently hydrogen; trifluoromethyl; (Ci_4)alkyl unsubstituted or substituted by hydroxy, carboxy, (C- j _4)alkoxy, (C-] _6)alkylthio, halo or trifluoromethyl; (C2-4)alkenyl; or aminocarbonyl wherein the amino group is optionally substituted with (C-j_4)alkyl; or a pharmaceutically acceptable salt or solvate thereof.
- this invention provides a compound of formula (I) wherein Z 1 and Z 4 are N and Z 3 is CR 1a .
- this invention provides a compound of formula (I) wherein R 1 is OChL.
- this invention describes a compound of formula (I) wherein R a is at each occurrence independently hydrogen; halogen; or cyano. In some aspects, this invention describes a compound of formula (I) wherein A is O.
- this invention describes a compound of formula (I) wherein A is S(O) n .
- this invention describes a compound of formula (I) wherein U is SO 2 . In some embodiments, this invention describes a compound of formula (I) wherein U is CH 2 .
- this invention describes a compound of formula (I) wherein R 11 is 4H-Pyrido[3,2-b][1 ,4]thiazin-3-oxo-6-yl; 2,3-Dihydro-benzo[1 ,4Jdioxin-6-yl; AH- Pyrido[3,2-jb][1 ,4]oxazin-3-oxo-6-yl; or 2,3-Dihydro-[1 ,4]dioxino[2,3-c]-pyridin-6-yl.
- this invention describes a compound of formula (I) wherein Z 1 and Z 4 are N and Z 3 is CR 1a ; R 1 is OCH 3 ; R a is at each occurrence independently hydrogen; halogen; or cyano; A is NR 5 ; R 5 is hydrogen; R 2 , R 3 , R 4 , R 7 , and R 8 are independently hydrogen; halogen; (Ci. 6 )alkyl; or hydroxy; or NR 1b R 1b '; and R 9 is hydrogen.
- this invention describes a compound of formula (I) wherein
- Z 1 and Z 4 are N; Z 3 is CR 1a ; R 1 is OCH 3 ; R a is at each occurrence independently hydrogen; halogen; or cyano; A is NR 5 ; R 5 is hydrogen; R 2 , R 3 , R 4 , R 7 , and R 8 are independently hydrogen; halogen; (C 1-6 )alkyl; or hydroxy; or NR 1b R 1b' ; R 9 is hydrogen; and R 11 is 4H- Pyrido[3,2-b][1 ,4]thiazin-3-oxo-6-yl; 2,3-Dihydro-benzo[1 ,4]dioxin-6-yl; 4H-Pyrido[3,2- b][ ⁇ ,4]oxazin-3-oxo-6-yl; or 2,3-Dihydro-[1 ,4]dioxino[2,3-c]-pyridin-6-yl.
- this invention describes a compound of formula (I) wherein Z 1 and Z 4 are N; Z 3 is CR 1a ; R 1 is OCH 3 ; R is at each occurrence independently hydrogen; halogen; or cyano; A is S(O) n ; R 2 , R 3 , R 4 , R 7 , and R 8 are independently hydrogen; halogen; (C 1-6 )alkyl; or hydroxy; or NR 1b R 1b' ; and R 9 is hydrogen.
- this invention describes a compound of formula (I) wherein
- Z 1 and Z 4 are N; Z 3 is CR 1a ; R 1 is OCH 3 ; R is at each occurrence independently hydrogen; halogen; or cyano; A is S(O) n ; R 2 , R 3 , R 4 , R 7 , and R 8 are independently hydrogen; halogen; (Cvejalkyl; or hydroxy; or NR 1b R 1b' ; R 9 is hydrogen; R 11 is 4H-Pyrido[3,2-b][1 ,4]thiazin-3-oxo- 6-yl; 2,3-Dihydro-benzo[1 ,4]dioxin-6-yl; 4/-/-Pyrido[3,2-£>][1 ,4]oxazin-3-oxo-6-yl; or 2,3- Dihydro-[1 ,4]dioxino[2,3-c]-pyridin-6-yl.
- this invention describes a c ompound of formula (I) wherein the compound is N-[2-( ⁇ 1-[6-(methyloxy)-1 ,5-naphthyridin-4-yl]-3-pyrrolidinyl ⁇ amino)ethyl]-3- oxo-3,4-dihydro-2H-pyrido[3,2-b][1 ,4]thiazine-6-sulfonamide; N-[2-( ⁇ 1-[6-(methyloxy)-1 ,5- naphthyridin-4-yl]-3-pyrrolidinyl ⁇ amino)ethyl]-3-oxo-3,4-dihydro-2H-pyrido[3,2-b3[1 ,4]thiazine- 6-carboxamide; 6-( ⁇ [2-( ⁇ 1-[6-(methyloxy)-1 ,5-naphthyridin-4-yl]-3- pyrrolidinyl ⁇
- this invention describes a process for the preparation of a compound of formula (I), which process comprises:
- Z 1 , Z 2 , Z 3 , Z 4 , Z 5 , Z 6 , W 1 , W 2 , W 3 , B, and R 11 are as defined in claim 1 ;
- X is NP or S
- P is hydrogen or a nitrogen protecting group
- L is an independently selected leaving group.
- this invention describes a pharmaceutical composition comprising a compound of formula I or any one of the embodiments described herein, and a pharmaceutically acceptable carrier.
- this invention describes a method of treating bacterial infections which comprises administering to a mammal in need thereof an effective amount of a compound of formula I or any of its embodiments described herein.
- this invention describes compounds of formula I wherein the (a) and (b) rings of Rn are both aromatic as demonstrated by the following non-limiting examples: 1 H-pyrrolo[2,3-b]-pyridin-2-yl, 1 H-pyrrolo[3,2-b]-pyridin-2-yl, 3H-imidazo[4,5-b]- pyrid-2-yl, 3H-quinazolin-4-one-2-yl, benzimidazol-2-yl, benzo[1 ,2,3]-thiadiazol-5-yl, benzo[1 ,2,5]-oxadiazol-5-yl, benzofur-2-yl, benzothiazol-2-yl, benzo[b]thiophen-2-yl, benzoxazol-2-yl, chromen-4-one-3-yl, imidazo[1 ,2-a]pyridin-2-yl, imidazo-[1 ,2-a]-pyrimidin-2- yl,
- Rn is defined by a non-aromatic (a) ring and aromatic (b) ring as illustrated by the following non-limiting examples:_(2S)-2,3-dihydro-1 H-indol-2-yl, (2S)- 2,3-dihydro-benzo[1 ,4]dioxine-2-yl, 3-(R,S)-3,4-dihydro-2H-benzo[1 ,4]thiazin-3-yl, 3-(R)-2,3- dihydro-[1 ,4]dioxino[2,3-b]pyridin-3-yl, 3-(S)-2,3-dihydro-[1 ,4]dioxino[2,3-b]pyridin-3-yl, 2,3- dihydro-benzo[1 ,4]dioxan-2-yl, 3-substituted-3H-quinazolin-4-one-2-yl, 2,3-di
- R 11 is defined by an aromatic (a) ring and a non aromatic (b) ring as illustrated by the following non-limiting examples: 1 ,1 ,3-trioxo-1 ,2,3,4-tetrahydro-1 P- benzo[1 ,4] thiazin-6-yl, benzo[1 ,3]dioxol-5-yl, 2,3-dihydro-benzo[1 ,4]dioxin-6-yl, 2-oxo-2,3- dihydro-benzooxazol-6-yl, 4H-benzo[1 ,4]oxazin-3-one-6-yl (3-oxo-3,4-dihydro-2H- benzo[1 ,4]oxazin-6-yl), 4H-benzo[1 ,4]thiazin-3-one-6-yl (3-oxo-3,4-dihydro-2H- benzo[1 ,4]thiazin-6-yl (3-ox
- alkyl when used alone or when forming part of other groups (such as the 'alkoxy' group) includes substituted or unsubstituted, straight or branched chain alkyl groups containing the specified range of carbon atoms.
- (C ⁇ alkyl) include methyl, ethyl, propyl, butyl, iso-propyl, sec-butyl, tert-butyl, iso- pentyl, and the like.
- alkenyl means a substituted or unsubstituted alkyl group of the specified range of carbon atoms, wherein one carbon-carbon single bond is replaced by a carbon- carbon double bond.
- (C 26 )alkenyl include ethylene, 1-propene, 2- propene, 1-butene, 2-butene, and isobutene, and the like. Both cis and trans isomers are included.
- cycloalkyl refers to subsituted or unsubstituted carbocyclic system of the specifed range of carbon atoms, which may contain up to two unsaturated carbon-carbon bonds.
- (C 3 7 )cycloalkyl include cyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, cyclohexenyl, and cycloheptyl.
- alkoxy refers to an O-alkyl radical where the alkyl group contains the specified range of carbon atoms and is as defined herein.
- the alkyl group contains 13 or less carbons; in some embodiments 10 or less carbon atoms; in some embodiments 6 or less carbon atoms; and is as otherwise defined.
- Aryl is as defined herein.
- alkylsulphonyl refers to a SC ⁇ alkyl radical wherein the alkyl group contains the specified range of carbon atoms and is as defined herein.
- alkylthio refers to a Salkyl wherein the alkyl group contains the specified range of carbon atoms and is as defined herein.
- aminosulphonyl refers to a SO 2 N radical wherein the nitrogen is substituted as specified.
- aminocarbonyl refers to a carboxamide radical wherein the nitrogen of the amide is substituted as defined.
- heterocyclylthio refers to a S-heterocyclyl radical wherein the heterocyclyl moiety is as defined herein.
- heterocyclyloxy refers to an O-heterocyclyl radical wherein heterocyclyl is as defined herein.
- arylthio refers to an S-aryl radical wherein aryl is as defined herein.
- aryloxy refers to an O-aryl radical wherein aryl is as defined herein.
- acylthio refers to a S-acyl radical wherein acyl is as defined herein.
- acyloxy refers to an O-acyl radical wherein acyl is as defined herein.
- alkoxycarbonyl refers to a CO 2 alkyl radical wherein the alkyl group contains the specified range of carbon atoms and is as defined herein.
- alkenyloxycarbonyl refers to a CO 2 alkyl radical wherein the alkenyl group contains the specified range of carbon atoms and is as defined herein.
- alkylsulphonyloxy refers to an O-SO 2 alkyl radical wherein the alkyl group contains the specified range of carbon atoms and is as defined herein.
- arylsulphonyl refers to a SO 2 aryl radical wherein aryl is as herein defined.
- arylsulphoxide refers to a SOaryl radical wherein aryl is as defined herein.
- suitable substituents for any alkyl, alkoxy, alkenyl, and cycloalkyl groups includes up to three substituents selected from the group consisting of hydroxy, halogen, nitro, cyano, carboxy, amino, amidino, sulphonamido, unsubstituted (C- ⁇ 3)alkoxy, trifluromethyl, and acyloxy.
- Halo or halogen includes fluoro, chloro, bromo and iodo.
- haloalkyl refers to an alkyl radical containing the specified range of carbon atoms and is as otherwise defined herein, which is further substituted with 1 -3 halogen atoms.
- haloalkoxy refers to an alkoxy radical of the specified range and as defined herein, which is further substituted with 1 -3 halogen atoms.
- hydroxyalkyl refers to an alkyl group as defined herein, further substituted with a hydroxy group.
- heterocyclic or “heterocyclyl” as used herein includes optionally substituted aromatic and non-aromatic, single and fused, mono- or bicyclic rings suitably containing up to four hetero-atoms in each ring selected from oxygen, nitrogen and sulphur, which rings may be unsubstituted or C-substituted by, for example, up to three groups selected from (C 1 4 )alkylthio; halo; (C 1 4 )haloalkoxy; (C 1 4 )haloalkyl; (C 1 4 )alkyl; (C 24 )alkenyl; hydroxy; hydroxy, (C 1 4 )alkyl; (C-
- Each heterocyclic ring suitably has from 3 to 7, preferably 5 or 6, ring atoms.
- a fused heterocyclic ring system may include carbocyclic rings and need include only one heterocyclic ring.
- Compounds within the invention containing a heterocyclyl group may occur in two or more tautomeric forms depending on the nature of the heterocyclyl group; all such tautomeric forms are included within the scope of the invention.
- suitable optional substituents in such substituted amino groups include hydrogen; trifluoromethyl; (C 1 4 )alkyl optionally substituted by hydroxy, (C 1 4 )alkoxy, (C 1 4 )alkylthio, halo or trifluoromethyl; and (C 24 )alkenyl.
- heterocyclylalkyl refers to a (Ci -6 )alkyl radical which bears as a substituent a heterocyclyl group, wherein heterocyclyl and alkyl are as herein defined.
- the heterocyclyl group maybe joined to a primary, secondary or tertiary carbon of the (C 1-6 )alkyl chain.
- aryl includes optionally substituted phenyl and naphthyl.
- Aryl groups may be optionally substituted with up to five, preferably up to three, groups selected from (C 1 4 )alkylthio; halo; (C 1 4 )haloalkoxy; (C 1 4 )haloalkyl; (C 1 4 )alkyl; (C 2 4 )alkenyl; hydroxy; (C 1 4 )hydroxyalkyl; (C 1 4 )alkylthio; (C 1 4 )alkoxy; nitro; cyano; carboxy; amino or aminocarbonyl optionally substituted by (C 1 4 )alkyl; (C 1 4 )alkylsulphonyl; (C 2 4 )alkenylsulphonyl.
- aralkyl refers to a (C 1-6 )a[kyl radical which bears as a substituent an aryl group, wherein aryl and alkyl are as herein defined.
- the aryl group maybe joined to a primary, secondary or tertiary carbon of the (d. 6 )alkyl chain.
- Solvates maybe produced from crstallization from a given solvent or mixture of solvents, inorganic or organic. Solvates may also produced upon contact or exposure to solvent vapors, such as water. This invention includes within its scope stoichiometric and non-stoichiometric solvates including hydrates.
- phrases such as "a compound of Formula I or a pharmaceutically acceptable salt, solvate or derivative thereof” are intended to encompass the compound of Formula I, a derivative of formula (I), a pharmaceutically acceptable salt of the compound of formula (I), a solvate of formula (I), or any pharmaceutically acceptable combination of these.
- a compound of Formula I or a pharmaceutically acceptable salt or solvate thereof may include a pharmaceutically acceptable salt of a compound of formula (I) that is further present as a solvate.
- the compounds of formula (I) are intended for use in pharmaceutical compositions it will readily be understood that they are each provided in substantially pure form, for example at least 60% pure, more suitably at least 75% pure and preferably at least 85%, especially at least 98% pure (% are on a weight for weight basis). Impure preparations of the compounds may be used for preparing the more pure forms used in the pharmaceutical compositions; these less pure preparations of the compounds should contain at least 1%, more suitably at least 5% and preferably from 10 to 59% of a compound of the formula (I) or pharmaceutically acceptable derivative thereof.
- salts of the above-mentioned compounds of formula (I) include the free base form or their acid addition or quaternary ammonium salts, for example their salts with mineral acids e.g. hydrochloric, hydrobromic, sulphuric, nitric or phosphoric acids, or organic acids, e.g. acetic, fumaric, succinic, maleic, citric, benzoic, p- toluenesulphonic, methanesulphonic, naphthalenesulphonic acid or tartaric acids.
- Compounds of formula (I) may also be prepared as the N-oxide.
- compositions of formula (I) that have been covalently modifed with a group that undergoes at least some in vivo cleavage to a compound of formula (I).
- Suitable pharmaceutically acceptable in vivo hydrolysable ester-forming groups include those forming esters which break down readily in the human body to leave the parent acid or its salt.
- Suitable groups of this type include those of part formulae (i), (ii), (iii), (iv) and (v): R"
- R is hydrogen, (C 1 6 ) alkyl, (C 37 ) cycloalkyl, methyl, or phenyl
- R is (C 1 6 ) alkyl, (C 1 6 )alkoxy, phenyl, benzyl, (C 37 )cycloalkyl, (C 3 7 )cycloalkyloxy, (C 1 6 )alkyl(C 37 ) cycloalkyl, 1 -amino ⁇ _ 6 )alkyl, or
- R represents (C 1 6 )alkylene optionally d e substituted with a methyl or ethyl group and R and R independently represent (C 1 6 ) alkyl;
- R represents (C 1-6 ) alkyl;
- R 9 represents hydrogen or phenyl optionally substituted by up to three groups selected from halogen, (C 1 6 ) alkyl, or (C 1 6 ) alkoxy;
- Q is oxygen or NH;
- R is hydrogen or
- R' is hydrogen, (C 1 6 ) alkyl optionally substituted by halogen, (C 2 6 ) alkenyl,
- R represents hydrogen, (C 1 6 ) alkyl or (C 1 6 )alkoxycarbonyl;
- k and R represents (C 1 8 )alkyl, (C 1 8 )alkoxy, (C 1 ⁇ aIkOXy(C 1 6 )alkoxy or aryl.
- suitable in vivo hydrolysable ester groups include, for example, 8CyIoXy(C 1 6 )alkyl groups such as acetoxymethyl, pivaloyloxymethyl, acetoxyethyl, pivaloyloxyethyl, 1-(cyclohexylcarbonyloxy)prop-1-yl, and (i-aminoethyl)carbonyloxymethyl; (C 1 6 )alkoxycarbonyloxy(C 1 6 )alkyl groups, such as ethoxycarbonyloxymethyl, ethoxycarbonyloxyethyl and propoxycarbonyloxyethyl; di(C 1 6 )alkylamino(C 1 6 )alkyl especially di(C 1 4 )alkylamino(C 1 4 )alkyl groups such as dimethylaminomethyl, dimethylaminoethyl, diethylaminomethyl or diethylaminoethyl; 2-(C 1
- a further suitable pharmaceutically acceptable in vivo hydrolysable ester-forming group is that of the formula:
- R is hydrogen, C 1 6 alkyl or phenyl. R is preferably hydrogen.
- Compounds of formula (I) may also be prepared as the corresponding N-oxides.
- Certain of the compounds of formula (I) may exist in the form of optical isomers, e.g. diastereoisomers and mixtures of isomers in all ratios, e.g. racemic mixtures.
- the invention includes all such form, including pure isomeric forms.
- the different isomeric forms may be separated or resolved one from the other by conventional methods, or any given isomer may be obtained by conventional synthetic methods or by stereospecific or asymmetric syntheses.
- a carboxylic acid maybe reacted with a coupling reagent such as DCC, CDI, EDCI, isobutyl chloroformate, etc, and the corresponding reative intermediate thus formed is further reacted with the nucleophilic coupling partner.
- a coupling reagent such as DCC, CDI, EDCI, isobutyl chloroformate, etc
- the activation step maybe performed before the introduction of the nucleophilic coupling partner, or in some cases, even in the presence of the nucleophilic coupling partner (depending upon the identity of the particular activating agent, carboxylic acid and nuclephilic coupling partner used).
- leaving groups generally refer to atoms or groups which can be eliminated, substituted or otherwise dissociate during the course of the reaction.
- antibacterial compounds according to the invention may be formulated for administration in any convenient way for use in human or veterinary medicine, by analogy with other antibacterials.
- compositions of the invention include those in a form adapted for oral, topical or parenteral use and may be used for the treatment of bacterial infection in mammals including humans.
- compositions may be formulated for administration by any route.
- the compositions may be in the form of tablets, capsules, powders, granules, lozenges, creams or liquid preparations, such as oral or sterile parenteral solutions or suspensions.
- topical formulations of the present invention may be presented as, for instance, ointments, creams or lotions, eye ointments and eye or ear drops, impregnated dressings and aerosols, and may contain appropriate conventional additives such as preservatives, solvents to assist drug penetration and emollients in ointments and creams.
- the formulations may also contain compatible conventional carriers, such as cream or ointment bases and ethanol or oleyl alcohol for lotions.
- suitable conventional carriers such as cream or ointment bases and ethanol or oleyl alcohol for lotions.
- Such carriers may be present as from about 1% up to about 98% of the formulation. More usually they will form up to about 80% of the formulation.
- Tablets and capsules for oral administration may be in unit dose presentation form, and may contain conventional excipients such as binding agents, for example syrup, acacia, gelatin, sorbitol, tragacanth, or polyvinylpyrrolidone; fillers, for example lactose, sugar, maize-starch, calcium phosphate, sorbitol or glycine; tabletting lubricants, for example magnesium stearate, talc, polyethylene glycol or silica; disintegrants, for example potato starch; or acceptable wetting agents such as sodium lauryl sulphate.
- the tablets may be coated according to methods well known in normal pharmaceutical practice.
- Oral liquid preparations may be in the form of, for example, aqueous or oily suspensions, solutions, emulsions, syrups or elixirs, or may be presented as a dry product for reconstitution with water or other suitable vehicle before use.
- Such liquid preparations may contain conventional additives, such as suspending agents, for example sorbitol, methyl cellulose, glucose syrup, gelatin, hydroxyethyl cellulose, carboxymethyl cellulose, aluminium stearate gel or hydrogenated edible fats, emulsifying agents, for example lecithin, sorbitan monooleate, or acacia; non-aqueous vehicles (which may include edible oils), for example almond oil, oily esters such as glycerine, propylene glycol, or ethyl alcohol; preservatives, for example methyl or propyl p-hydroxybenzoate or sorbic acid, and, if desired, conventional flavouring or colouring agents.
- suspending agents for example sorbitol, methyl cellulose, glucose syrup, gelatin, hydroxyethyl cellulose, carboxymethyl cellulose, aluminium stearate gel or hydrogenated edible fats, emulsifying agents, for example lecithin, sorbitan monooleate, or
- Suppositories will contain conventional suppository bases, e.g. cocoa-butter or other glyceride.
- fluid unit dosage forms are prepared utilizing the compound and a sterile vehicle, water being preferred.
- the compound depending on the vehicle and concentration used, can be either suspended or dissolved in the vehicle.
- the compound can be dissolved in water for injection and filter sterilised before filling into a suitable vial or ampoule and sealing.
- agents such as a local anaesthetic, preservative and buffering agents can be dissolved in the vehicle.
- the composition can be frozen after filling into the vial and the water removed under vacuum.
- the dry lyophilized powder is then sealed in the vial and an accompanying vial of water for injection may be supplied to reconstitute the liquid prior to use.
- Parenteral suspensions are prepared in substantially the same manner except that the compound is suspended in the vehicle instead of being dissolved and sterilization cannot be accomplished by filtration.
- the compound can be sterilised by exposure to ethylene oxide before suspending in the sterile vehicle.
- a surfactant or wetting agent is included in the composition to facilitate uniform distribution of the compound.
- compositions may contain from 0.1% by weight, preferably from 10-60% by weight, of the active material, depending on the method of administration. Where the compositions comprise dosage units, each unit will preferably contain from 50-500 mg of the active ingredient.
- the dosage as employed for adult human treatment will preferably range from 100 to 3000 mg per day, for instance 1500 mg per day depending on the route and frequency of administration. Such a dosage corresponds to 1.5 to 50 mg/kg per day. Suitably the dosage is from 5 to 20 mg/kg per day.
- the compound of formula (I) may be the sole therapeutic agent in the compositions of the invention or a combination with other antibacterials. If the other antibacterial is a ⁇ - lactam then a ⁇ -lactamase inhibitor may also be employed.
- Compounds of formula (I) are active against a wide range of organisms including both
- the compounds of this invention may also be used in the manufacture of medicaments useful in treating bacterial infections in humans or other mammals.
- Reagents and conditions (a) 3-( ⁇ /-acetyl- ⁇ /-methylamino)pyrrolidine, dioxane, TEA, 50°C (b) 3N HCI in H 2 O, reflux (c) Boc-gly-OH, PyBOP, ⁇ /-methyl morpholine, 0 - 25 0 C (d) 4N HCI in dioxane, CHCI 3 ; then TEA, 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1 ,4]oxazine-6- carbaldehyde, NaBH 4 , DCM-MeOH (1 :3), 25 0 C.
- Boc group was removed and the free amine was reacted with an appropriate aldehyde, for example, 3-oxo-3,4-dihydro-2H- pyrido[3,2-b][1 ,4]oxazine-6-carbaldehyde as shown, using standard reductive amination conditions, providing the final compound (1-5). Reaction of the free amine with additional carbaldehydes with concurrent or subsequent reduction can be used to prepare additional embodiments of this invention. tocneme n
- the resulting primary amine was protected, as exemplified using the trifluoroacetate and the remaining secondary amine protected as exemplified, as the Boc carbamate (II-6).
- Alternative protecting groups for the amines maybe chosen in accordance to what is known to those of skill in the art. See for example, Greene, et al, described previously herein.
- the trifluoroacetate group was then removed and the resulting primary amine (11-7) underwent reductive amination with an appropriate aldehyde, such as 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1 ,4]thiazine-6-carbaldehyde, forming (11-8) and was coupled with the appropriate acid, such as 3-oxo-3,4-dihydro-2H-pyrido[3,2- h][ ⁇ ,4]thiazine-6-carboxylic acid, and sulfonyl chloride, such as 3-oxo-3,4-dihydro-2H- pyrido[3,2-6][1 ,4]thiazine-6-sulfonyl chloride, to generate amide (II-9) and sulfonamide (11-10), respectively.
- an appropriate aldehyde such as 3-oxo-3,4-dihydro-2H-pyrido
- the Boc group was removed and the resulting primary amine (III-2) underwent reductive amination with the appropriate aldehyde, exemplified here by 3-oxo-3,4-dihydro-2H- pyrido[3,2-jb][1 ,4]thiazine-6-carbaldehyde forming III-3.
- the amine was also coupled with a desired carboxylic acid, exemplified in this case by 3-oxo-3,4-dihydro-2H-pyrido[3,2- b][ ⁇ ,4]thiazine-6-carboxylic acid to generate compound III-4.
- the amine was also reacted with an appropriate sulfonic acid derivative, in this case the sulfonyl chloride, 3-oxo-3,4- dihydro-2H-pyrido[3,2-6][1 ,4]thiazine-6-sulfonyl chloride to give compound III-5.
- an appropriate sulfonic acid derivative in this case the sulfonyl chloride, 3-oxo-3,4- dihydro-2H-pyrido[3,2-6][1 ,4]thiazine-6-sulfonyl chloride to give compound III-5.
- Additional aldehydes, sulfonic acid and carboxylic acid derivatives maybe also used in order to prepare additional embodiments of this invention. Further derivativization of the compounds are also contemplated where such derivativization renders further embodiments of the present invention.
- the non-tertiary nitrogens are selectively functionalized by additional reactions to provide further substitution on one or more of the nitrogens as in
- ODS refers to an octadecylsilyl derivatized silica gel chromatographic support.
- YMC ODS-AQ® is an ODS chromatographic support and is a registered trademark of YMC Co. Ltd., Kyoto, Japan.
- PRP-1 ® is a polymeric (styrene-divinylbenzene) chromatographic support, and is a registered trademark of Hamilton Co., Reno, Nevada.
- Celite® is a filter aid composed of acid-washed diatomaceous silica, and is a registered trademark of Manville Corp., Denver, Colorado.
- This acid was prepared from 3-oxo-3,4-dihydro-2H-pyrido[3,2-jb][1 ,4]thiazine-6- carboxaldehyde (from Prep. 4d) (890 mg) by oxidation with Oxone (potassium peroxymonosulphate) (3.1 g) in a DMF solution (50 mL). After 1.5 h at room temperature, dilution with water (50 ml_), filtration and drying in vacuo afforded the acid as a white solid (750 mg, 77%).
- Boc-protected glycine (226mg, 1.3 mmol) was dissolved in dichloromethane and cooled in an ice bath.
- [1-(6-Methoxy-[1 ,5]naphthyridin-4-yl)-pyrrolidin-3-yl]-methyl-amine (569mg, 1.6 mmol) was added along with PyBOP (723mg, 1.6 mmol) and ⁇ /-methyl morpholine (0.71 ml_, 6.4 mmol).
- the reaction mixture was stirred overnight while allowing to warm to room temperature.
- the resulting suspension was diluted with chloroform and washed twice with 0.5N HCI, water, saturated aqueous sodium bicarbonate solution and brine.
- the resulting HCI salt (302mg, 0.66mmol) was dissolved in methanol/dichloromethane (8ml_, 1 :3) and treated with triethylamine (0.46mL, 3.3 mmol) and 3-Oxo-3,4-dihydro-2H -pyrido[3,2- b ][1 ,4]oxazine-6- carbaldehyde (117mg, 0.66 mmol) and stirred for 72 hours.
- the solution was diluted with a small amount of methanol and treated with sodium borohydride (25mg, 0.66 mmol.) After stirring 90 minutes, the reaction mixture was diluted with chloroform and poured into saturated aqueous sodium bicarbonate solution.
- Methanesulfonic acid 1-(6-methoxy-[1 ,5]naphthyridin-4-yI)-pyrrolidin-3-yl ester (1.96 g, 6.1 mmol) was heated to 100 0 C in ethylene diamine (10 mL, 150 mmol) overnight. The reaction mixture was cooled, diluted with water and extracted 4x with a solution of 10% isopropanol in chloroform.
- N 1 -[1-(6-Methoxy-[1 ,5]naphthyridin-4-yl)-pyrrolidin-3-yl]-ethane-1 ,2-diamine (213mg, 0.74mmol) (from Example 2c) was dissolved in DCM (2 ml.) with triethylamine (0.31 mL, 2.2 mmol) and cooled in an ice bath. The cooled solution was treated with 3-oxo-3,4-dihydro-2H- benzo[1 ,4]thiazine-6-sulfonyl chloride and stirred 45 minutes. The reaction mixture was diluted with chloroform and poured into saturated aqueous sodium bicarbonate solution.
- the resulting HCI salt of the free amine was dissolved in methanol/dichloromethane (4mL, 1 :3) and treated with triethylamine (0.36mL, 2.6 mmol) and 3-oxo-3,4-dihydro-2H-pyrido[3,2-jb][1 ,4]thiazine-6-carbaldehyde (101 mg, 0.52 mmol) and stirred for 12 hours.
- the solution was diluted with a small amount of methanol and treated with sodium borohydride (19mg, 0.52 mmol.) After stirring 90 minutes, the reaction mixture was diluted with chloroform and poured into saturated aqueous sodium bicarbonate solution. The aqueous layer was extracted with chloroform.
- NCCLS National Committee for Clinical Laboratory Standards
- the compounds were tested in serial two-fold dilutions ranging from 0.016 to 16 mcg/mL.
- Compounds were evaluated against a panel of Gram-positive organisms, including Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus pyogenes, and Enterococcus faecalis.
- the minimum inhibitory concentration (MIC) was determined as the lowest concentration of compound that inhibited visible growth. A mirror reader was used to assist in determining the MIC endpoint.
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US11/570,600 US7648984B2 (en) | 2004-07-13 | 2005-07-13 | Antibacterial agents |
JP2007521595A JP2008506695A (en) | 2004-07-13 | 2005-07-13 | Antibacterial agent |
EP05769569A EP1773343A4 (en) | 2004-07-13 | 2005-07-13 | Antibacterial agents |
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Cited By (10)
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WO2007115947A1 (en) | 2006-04-06 | 2007-10-18 | Glaxo Group Limited | Pyrrolo-quinoxalinone derivatives as antibacterials |
WO2008009700A1 (en) | 2006-07-20 | 2008-01-24 | Glaxo Group Limited | Derivatives and analogs of n-ethylquinolones and n-ethylazaquinolones |
EP2080761A1 (en) | 2008-01-18 | 2009-07-22 | Glaxo Group Limited | Compounds |
WO2010043714A1 (en) | 2008-10-17 | 2010-04-22 | Glaxo Group Limited | Tricyclic nitrogen compounds used as antibacterials |
US7709496B2 (en) | 2006-04-06 | 2010-05-04 | Glaxo Group Limited | Antibacterial agents |
WO2010081874A1 (en) | 2009-01-15 | 2010-07-22 | Glaxo Group Limited | Naphthyridin-2 (1 h)-one compounds useful as antibacterials |
US8217042B2 (en) | 2005-11-11 | 2012-07-10 | Zentaris Gmbh | Pyridopyrazines and their use as modulators of kinases |
US8937068B2 (en) | 2005-11-11 | 2015-01-20 | Zentaris Gmbh | Pyridopyrazine derivatives and their use |
WO2016027249A1 (en) | 2014-08-22 | 2016-02-25 | Glaxosmithkline Intellectual Property Development Limited | Tricyclic nitrogen containing compounds for treating neisseria gonorrhoea infection |
WO2017029602A2 (en) | 2015-08-16 | 2017-02-23 | Glaxosmithkline Intellectual Property Development Limited | Compounds for use in antibacterial applications |
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US20070202127A1 (en) * | 1993-06-07 | 2007-08-30 | Duke University | Nucleic acids encoding DP-178 and other viral fusion inhibitor peptides useful for treating aids |
ATE484509T1 (en) * | 2004-08-02 | 2010-10-15 | Glaxo Group Ltd | ANTIBACTERIAL AGENTS |
WO2006081179A1 (en) * | 2005-01-25 | 2006-08-03 | Glaxo Group Limited | Antibacterial agents |
PL2137196T3 (en) * | 2007-04-20 | 2011-03-31 | Glaxo Group Ltd | Tricyclic nitrogen containing compounds as antibacterial agents |
JP6112724B2 (en) * | 2013-10-31 | 2017-04-12 | 日本化薬株式会社 | 1,5-naphthyridine derivative and insecticide comprising the same as an active ingredient |
MX2019000588A (en) | 2016-07-14 | 2019-09-09 | Crinetics Pharmaceuticals Inc | Somatostatin modulators and uses thereof. |
US11028068B2 (en) | 2017-07-25 | 2021-06-08 | Crinetics Pharmaceuticals, Inc. | Somatostatin modulators and uses thereof |
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AU2020365108A1 (en) | 2019-10-18 | 2022-04-21 | Atengen, Inc. | 3-phenylsulphonyl-quinoline derivatives as agents for treating pathogenic blood vessels disorders |
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US6440995B1 (en) * | 1999-10-01 | 2002-08-27 | Hoffman-La Roche Inc. | Quinolin-4-yl derivatives |
WO2003010138A2 (en) | 2001-07-26 | 2003-02-06 | Smithkline Beecham Plc | Piperidine derivatives as antibacterial agents |
WO2004041210A2 (en) | 2002-11-05 | 2004-05-21 | Smithkline Beecham Corporation | Antibacterial agents |
WO2004050036A2 (en) | 2002-12-04 | 2004-06-17 | Glaxo Group Limited | Quinolines and nitrogenated derivatives thereof and their use as antibacterial agents |
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AU2003247772A1 (en) * | 2002-06-27 | 2004-01-19 | Schering Aktiengesellschaft | Substituted quinoline ccr5 receptor antagonists |
WO2004024710A1 (en) * | 2002-09-13 | 2004-03-25 | Glaxo Group Limited | Urea compounds active as vanilloid receptor antagonists for the treatment of pain |
-
2005
- 2005-07-13 WO PCT/US2005/024801 patent/WO2006017326A1/en active Application Filing
- 2005-07-13 EP EP05769569A patent/EP1773343A4/en not_active Withdrawn
- 2005-07-13 JP JP2007521595A patent/JP2008506695A/en active Pending
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US6440995B1 (en) * | 1999-10-01 | 2002-08-27 | Hoffman-La Roche Inc. | Quinolin-4-yl derivatives |
WO2003010138A2 (en) | 2001-07-26 | 2003-02-06 | Smithkline Beecham Plc | Piperidine derivatives as antibacterial agents |
WO2004041210A2 (en) | 2002-11-05 | 2004-05-21 | Smithkline Beecham Corporation | Antibacterial agents |
WO2004050036A2 (en) | 2002-12-04 | 2004-06-17 | Glaxo Group Limited | Quinolines and nitrogenated derivatives thereof and their use as antibacterial agents |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US8217042B2 (en) | 2005-11-11 | 2012-07-10 | Zentaris Gmbh | Pyridopyrazines and their use as modulators of kinases |
US8937068B2 (en) | 2005-11-11 | 2015-01-20 | Zentaris Gmbh | Pyridopyrazine derivatives and their use |
WO2007115947A1 (en) | 2006-04-06 | 2007-10-18 | Glaxo Group Limited | Pyrrolo-quinoxalinone derivatives as antibacterials |
US7709496B2 (en) | 2006-04-06 | 2010-05-04 | Glaxo Group Limited | Antibacterial agents |
WO2008009700A1 (en) | 2006-07-20 | 2008-01-24 | Glaxo Group Limited | Derivatives and analogs of n-ethylquinolones and n-ethylazaquinolones |
EP2080761A1 (en) | 2008-01-18 | 2009-07-22 | Glaxo Group Limited | Compounds |
WO2010043714A1 (en) | 2008-10-17 | 2010-04-22 | Glaxo Group Limited | Tricyclic nitrogen compounds used as antibacterials |
WO2010081874A1 (en) | 2009-01-15 | 2010-07-22 | Glaxo Group Limited | Naphthyridin-2 (1 h)-one compounds useful as antibacterials |
WO2016027249A1 (en) | 2014-08-22 | 2016-02-25 | Glaxosmithkline Intellectual Property Development Limited | Tricyclic nitrogen containing compounds for treating neisseria gonorrhoea infection |
EP3639824A1 (en) | 2014-08-22 | 2020-04-22 | GlaxoSmithKline Intellectual Property Development Limited | Tricyclic nitrogen containing compounds for treating neisseria gonorrhoea infection |
WO2017029602A2 (en) | 2015-08-16 | 2017-02-23 | Glaxosmithkline Intellectual Property Development Limited | Compounds for use in antibacterial applications |
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EP1773343A1 (en) | 2007-04-18 |
US20070203127A1 (en) | 2007-08-30 |
EP1773343A4 (en) | 2009-05-13 |
JP2008506695A (en) | 2008-03-06 |
US7648984B2 (en) | 2010-01-19 |
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