WO2016091207A1 - 硝基咪唑类化合物及其制备方法和在制药中的用途 - Google Patents
硝基咪唑类化合物及其制备方法和在制药中的用途 Download PDFInfo
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- WO2016091207A1 WO2016091207A1 PCT/CN2015/097096 CN2015097096W WO2016091207A1 WO 2016091207 A1 WO2016091207 A1 WO 2016091207A1 CN 2015097096 W CN2015097096 W CN 2015097096W WO 2016091207 A1 WO2016091207 A1 WO 2016091207A1
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- 0 C*(*N(*)[C@@]1COc2nc([N+]([O-])=O)c[n]2C1)C1=C(*)*C(*I*)=N*1 Chemical compound C*(*N(*)[C@@]1COc2nc([N+]([O-])=O)c[n]2C1)C1=C(*)*C(*I*)=N*1 0.000 description 8
- SIMHJZHCZNNNEV-BYPYZUCNSA-N N[C@@H]1COc2nc([N+]([O-])=O)c[n]2C1 Chemical compound N[C@@H]1COc2nc([N+]([O-])=O)c[n]2C1 SIMHJZHCZNNNEV-BYPYZUCNSA-N 0.000 description 2
- LJYQVOPFBNMTKJ-UHFFFAOYSA-N O=Cc(cn1)cnc1Cl Chemical compound O=Cc(cn1)cnc1Cl LJYQVOPFBNMTKJ-UHFFFAOYSA-N 0.000 description 2
- DBAFIYRVCFLUGQ-UHFFFAOYSA-N CC(CN(CC1)c2ncc(C=O)cc2)N1c(cc1)ccc1OC(F)(F)F Chemical compound CC(CN(CC1)c2ncc(C=O)cc2)N1c(cc1)ccc1OC(F)(F)F DBAFIYRVCFLUGQ-UHFFFAOYSA-N 0.000 description 1
- ANTLAJDFPILTRX-DAFXYXGESA-N CC(CN(CC1)c2ncc(CN[C@@H]3COc4nc([N+]([O-])=O)c[n]4C3)cc2)N1c(cc1)ccc1OC(F)(F)F Chemical compound CC(CN(CC1)c2ncc(CN[C@@H]3COc4nc([N+]([O-])=O)c[n]4C3)cc2)N1c(cc1)ccc1OC(F)(F)F ANTLAJDFPILTRX-DAFXYXGESA-N 0.000 description 1
- HZKLRBQUOPEGKO-UHFFFAOYSA-N CC(CNCC1)N1c(cc1)ccc1OC(F)(F)F Chemical compound CC(CNCC1)N1c(cc1)ccc1OC(F)(F)F HZKLRBQUOPEGKO-UHFFFAOYSA-N 0.000 description 1
- YCRJPUYYOVKKHB-UHFFFAOYSA-N FC(Oc(cc1)ccc1N1C(C2)CNC2C1)(F)F Chemical compound FC(Oc(cc1)ccc1N1C(C2)CNC2C1)(F)F YCRJPUYYOVKKHB-UHFFFAOYSA-N 0.000 description 1
- SIMHJZHCZNNNEV-UHFFFAOYSA-N NC1COc2nc([N+]([O-])=O)c[n]2C1 Chemical compound NC1COc2nc([N+]([O-])=O)c[n]2C1 SIMHJZHCZNNNEV-UHFFFAOYSA-N 0.000 description 1
- AFWWKZCPPRPDQK-UHFFFAOYSA-N O=Cc(cc1)cnc1Cl Chemical compound O=Cc(cc1)cnc1Cl AFWWKZCPPRPDQK-UHFFFAOYSA-N 0.000 description 1
- IJVMTBKPBTXHNH-UHFFFAOYSA-N O=Cc1cnc(N(CC2)CCC2Nc(cc2)ccc2OC(F)(F)F)nc1 Chemical compound O=Cc1cnc(N(CC2)CCC2Nc(cc2)ccc2OC(F)(F)F)nc1 IJVMTBKPBTXHNH-UHFFFAOYSA-N 0.000 description 1
- PCPIRSFIVQWVSS-UHFFFAOYSA-N O=Cc1cnc(N(CC2C3)C3CN2c(cc2)ccc2OC(F)(F)F)nc1 Chemical compound O=Cc1cnc(N(CC2C3)C3CN2c(cc2)ccc2OC(F)(F)F)nc1 PCPIRSFIVQWVSS-UHFFFAOYSA-N 0.000 description 1
- RNHVCJXSVPAPRD-SFHVURJKSA-N [O-][N+](c1c[n](C[C@@H](CO2)NCc3cnc(N(CC4)CCC4Nc(cc4)ccc4OC(F)(F)F)nc3)c2n1)=O Chemical compound [O-][N+](c1c[n](C[C@@H](CO2)NCc3cnc(N(CC4)CCC4Nc(cc4)ccc4OC(F)(F)F)nc3)c2n1)=O RNHVCJXSVPAPRD-SFHVURJKSA-N 0.000 description 1
- NNXRHBOZNJOEHL-ZLPCBKJTSA-N [O-][N+](c1c[n](C[C@@H](CO2)NCc3cnc(N(CC4C5)C5CN4c(cc4)ccc4OC(F)(F)F)nc3)c2n1)=O Chemical compound [O-][N+](c1c[n](C[C@@H](CO2)NCc3cnc(N(CC4C5)C5CN4c(cc4)ccc4OC(F)(F)F)nc3)c2n1)=O NNXRHBOZNJOEHL-ZLPCBKJTSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—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
- A61P31/06—Antibacterial agents for tuberculosis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
Definitions
- the invention belongs to the fields of pharmacy, medicinal chemistry and pharmacology, and more particularly to a novel class of nitroimidazole compounds, a preparation method thereof, and the use of the compounds for treating diseases associated with infection caused by Mycobacterium tuberculosis .
- Tuberculosis is caused by infection with Mycobacterium tuberculosis and is one of the oldest diseases in humans. Today, tuberculosis still seriously jeopardizes human health. According to WHO statistics, about one-third of the world's people are infected with tuberculosis, and tuberculosis is the most infectious disease.
- tuberculosis mainly uses several first-line drugs such as isoniazid, rifampicin, ethambutol and pyrazinamide.
- This treatment has the following disadvantages: long treatment period, usually takes more than half a year; adverse reactions are more serious, such as rifampicin and isoniazid combination may lead to severe hepatotoxicity, ethambutol can cause optic nerve damage; Mycobacterium tuberculosis, especially multidrug-resistant tuberculosis (MDR-TB), is not effective or even effective.
- MDR-TB multidrug-resistant tuberculosis
- This new type of drug should have the following characteristics: It is effective against drug-resistant bacteria, especially multi-drug resistant bacteria; it can be used in combination with the first-line anti-tuberculosis drugs currently used; it has ideal metabolic properties and can be administered orally.
- WO9701562 discloses a number of nitroimidazole compounds, representing the compound PA-824, which have a novel mechanism of action for the treatment of tuberculosis.
- PA-824 has a low water solubility and low bioavailability, and it requires a complicated tablet formulation for oral administration and needs to further increase its anti-tuberculosis activity [Bioorg. Med. Chem. Lett, 2008, 18 (7), 2256-2262.].
- OPC-67683 [J. Med. Chem., 2006, 49 (26), 7854-7860.] of Otsuka Pharmaceutical Co., Ltd., the mechanism of action is similar to that of PA-824, for treatment tuberculosis.
- the compound was approved by the European Commission in May 2014 for the treatment of adult patients with multidrug-resistant tuberculosis (MDR-TB). Although the compound is more active, it has the same problems as PA-824, and the solubility of the compound in water is small, resulting in low oral bioavailability.
- PA-824 and OPC-67683 have strong inhibitory activity on hERG potassium current, clinically produce side effects of prolonged QT-QTc interval, and there are serious cardiotoxic problems.
- the object of the present invention is to provide a novel nitroimidazole antituberculous compound which has no hERG inhibitory activity, stronger antibacterial activity and improved water solubility, in order to overcome the serious defects currently prevalent in such compounds and to develop a new generation.
- Candidate drugs which has no hERG inhibitory activity, stronger antibacterial activity and improved water solubility, in order to overcome the serious defects currently prevalent in such compounds and to develop a new generation.
- the object of the present invention is to provide a novel antitubercular compound of the formula (I), or an optical isomer thereof, a pharmaceutically acceptable inorganic or organic salt thereof;
- the above compound of the present invention or each of the optical isomers thereof, a pharmaceutically acceptable inorganic or organic salt, for use in the preparation of a disease caused by Mycobacterium tuberculosis infection, particularly multidrug-resistant tuberculosis Use in drugs for infectious diseases caused by bacilli.
- a pharmaceutical composition comprising a pharmaceutically acceptable excipient or carrier, and a compound of the formula (I) of the present invention, or each of the optical isomers thereof, pharmaceutically acceptable Inorganic or organic salts are used as active ingredients.
- a novel class of nitroimidazoles which are compounds of the following formula (I) or optical isomers thereof, or pharmaceutically acceptable salts (inorganic or organic salts) ;
- n represents an integer between 1 and 4;
- L is O, S, NH or a chemical bond
- X is C or N
- R 1 is hydrogen or C 1-6 alkyl
- R 2 and R 3 may be the same or different and are each independently selected from the group consisting of hydrogen, halogen, cyano, trifluoromethyl, C 1-4 alkyl, C 3-6 cycloalkyl or C 1-4 alkoxy. ;
- R 4 is an aromatic ring or a heteroaryl ring containing at least one hetero atom selected from N, O or S, the aromatic ring or the aromatic heterocyclic ring being unsubstituted or optionally one to three independently selected from the group consisting of cyano, CF 3 , Substituted by a group of OCF 3 , halogen, methyl or methoxy;
- A may be selected from saturated or unsaturated C 5-7 cycloalkyl, C 8-10 cycloalkyl, C 7-9 bridged cycloalkyl, C 7-11 spirocycloalkyl, in cycloalkyl At least one carbon atom is replaced by a nitrogen atom and is bonded through a nitrogen atom and a heteroaromatic ring (pyridine or pyrimidine) which may be one or more of fluorine, cyano, hydroxy, C 1-4 alkyl, C 1 -4 alkoxy group substitution.
- pyridine or pyrimidine which may be one or more of fluorine, cyano, hydroxy, C 1-4 alkyl, C 1 -4 alkoxy group substitution.
- the pharmaceutically acceptable salt comprises a salt of a compound represented by the formula (I) and an acid; wherein the acid comprises: an inorganic acid, an organic acid or an acidic amino acid; the inorganic acid comprises: hydrochloric acid, hydrobromic acid , hydrofluoric acid, sulfuric acid, nitric acid or phosphoric acid; the organic acid includes: formic acid, acetic acid, propionic acid, oxalic acid, trifluoroacetic acid, malonic acid, succinic acid, fumaric acid, maleic acid, lactic acid, malic acid, Tartaric acid, citric acid, picric acid, methanesulfonic acid, p-toluenesulfonic acid, ethanesulfonic acid or benzenesulfonic acid; the acidic amino acid comprises aspartic acid or glutamic acid.
- the acidic amino acid comprises aspartic acid or glutamic acid.
- Alkyl means a saturated aliphatic hydrocarbon group comprising straight and branched chain groups of 1 to 6 carbon atoms. Preference is given to lower alkyl groups having 1 to 4 carbon atoms, such as methyl, ethyl, propyl, 2-propyl, n-butyl, isobutyl, tert-butyl.
- Cycloalkyl refers to a 3 to 6 membered all carbon monocyclic aliphatic hydrocarbon group in which one or more rings may contain one or more double bonds, but none of the rings have a fully conjugated pi-electron system.
- Alkoxy refers to an alkyl group bonded to the remainder of the molecule through an ether oxygen atom.
- Representative alkoxy groups are alkoxy groups having from 1 to 4 carbon atoms, such as methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy And tert-butoxy.
- alkoxy includes both unsubstituted and substituted alkoxy, especially alkoxy substituted by one or more halogens.
- Preferred alkoxy groups are selected from the group consisting of OCH 3 , OCF 3 , CHF 2 O, CF 3 CH 2 O, iPrO, nPrO, iBuO, cPrO, nBuO or tBuO.
- Aryl means a group having at least one aromatic ring structure, that is, an aromatic ring having a conjugated ⁇ -electron system, including a carbocyclic aryl group, a heteroaryl group.
- Halogen means fluoro, chloro, bromo or iodo.
- “Chemical bond” is a collective term for a strong interaction force between two or more atoms (or ions) within a pure molecule or within a crystal.
- C 8-10 cycloalkyl group means a cycloalkyl group in which two rings share two ring atoms.
- C 7-9 bridged cycloalkyl group means a cycloalkyl group in which two rings share two or more ring atoms.
- C 7-11 spirocycloalkyl group means a cycloalkyl group in which two rings share one ring atom.
- the compounds of the invention may contain one or more asymmetric centers and thus occur as racemates, racemic mixtures, single enantiomers, diastereomeric compounds and single diastereomers.
- the asymmetric center that can exist depends on the nature of the various substituents on the molecule. Each such asymmetric center will independently produce two optical isomers, and all possible optical isomers and diastereomeric mixtures as well as pure or partially pure compounds are included within the scope of the invention. The invention is meant to include all such isomeric forms of these compounds.
- the "pharmaceutically acceptable salt” as used herein means that it is not particularly limited as long as it is a pharmaceutically acceptable salt, and includes inorganic salts and organic salts. Specifically, a salt formed by the compound of the present invention and an acid may be mentioned. Suitable acids for forming a salt include, but are not limited to, mineral acids such as hydrochloric acid, hydrobromic acid, hydrofluoric acid, sulfuric acid, phosphoric acid, nitric acid, phosphoric acid, formic acid, acetic acid, and C.
- Acid oxalic acid, trifluoroacetic acid, malonic acid, succinic acid, fumaric acid, maleic acid, lactic acid, malic acid, tartaric acid, citric acid, picric acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, etc. Acids and acidic amino acids such as aspartic acid and glutamic acid.
- the inventors have extensively studied, synthesized and screened a large number of compounds, and found for the first time that the compound of the formula (I) has a strong inhibitory activity against Mycobacterium tuberculosis, and is particularly suitable for the preparation of a medicament for treating diseases associated with infection caused by Mycobacterium tuberculosis.
- the inventors have completed the present invention on this basis.
- the structural compound of the formula (I) of the present invention can be obtained by the following method, however, the conditions of the method, such as the reactant, the solvent, the base, the amount of the compound used, the reaction temperature, the time required for the reaction, and the like are not limited to the following explanations.
- the compounds of the present invention may also be conveniently prepared by combining various synthetic methods described in the specification or known in the art, and such combinations are readily made by those skilled in the art to which the present invention pertains.
- the preparation method of the nitroimidazole antibacterial compound of the present invention may include the following steps:
- the solvent may be selected from the group consisting of acetonitrile, acetone, dioxane, tetrahydrofuran, methanol, ethanol, isopropanol, dimethylformamide, dimethylacetamide, ethylene glycol dimethyl ether, and dimethyl
- the solvent such as sulfoxide and water may be a single solvent or a mixed solvent.
- the base may be selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide, barium hydroxide, potassium carbonate, sodium carbonate, barium carbonate, sodium hydrogencarbonate, potassium hydrogencarbonate, potassium t-butoxide, and tert-butyl.
- the optimum reaction conditions are as follows: dimethylformamide (DMF) is the solvent, potassium carbonate is the base, and the raw materials I-1-1-I-1-2 and I-2-1-I-2-21 are reacted at 120 ° C. 2 to 12 hours.
- the solvent may be selected from the group consisting of methanol, ethanol, isopropanol, tetrahydrofuran, dichloromethane, 1,2-dichloroethane, Dioxane, dimethylformamide, acetonitrile, ethylene glycol dimethyl ether, water, etc. may be a single solvent or a mixed solvent.
- the base may be selected from an organic base such as pyridine, triethylamine or diisopropylethylamine.
- the reducing agent is selected from the group consisting of sodium borohydride, potassium borohydride, sodium cyanoborohydride, sodium triacetoxyborohydride and the like.
- the optimum reaction conditions are: dichloromethane as solvent, triethylamine as base, intermediate I-3-1-I-3-35 and amine I-4 reacted at room temperature to form an imine and then triacetoxy. Reduction with sodium borohydride and further reaction at room temperature for 4 to 16 hours.
- the starting materials II-1-1-II-1-8 and I-2-4 are subjected to a substitution reaction in a solvent at 20 ° C to 150 ° C or a solvent reflux temperature for 1 to 24 hours.
- the intermediate II-2-1-II-2-8 was obtained.
- the solvent may be selected from the group consisting of acetonitrile, acetone, dioxane, tetrahydrofuran, methanol, ethanol, isopropanol, dimethylformamide, dimethylacetamide, ethylene glycol dimethyl ether, and dimethyl
- the solvent such as sulfoxide and water may be a single solvent or a mixed solvent.
- the base may be selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide, barium hydroxide, potassium carbonate, sodium carbonate, barium carbonate, sodium hydrogencarbonate, potassium hydrogencarbonate, potassium t-butoxide, and tert-butyl.
- the optimum reaction conditions are as follows: dimethylformamide is a solvent, potassium carbonate is a base, and raw materials II-1-1-II-1-8 and I-2-4 are reacted at 90 ° C for 2 to 12 hours.
- the solvent may be selected from the group consisting of toluene, tetrahydrofuran, n-hexane, cyclohexane, methyltetrahydrofuran, diethyl ether, methyl tert-butyl ether, ethylene glycol dimethyl ether and water, and may be a single solvent or a solvent. It is a mixed solvent.
- the reducing agent may be selected from the group consisting of sodium borohydride, potassium borohydride, lithium borohydride, lithium aluminum hydride, diisobutylaluminum hydride, and red aluminum.
- the optimum reaction conditions are as follows: anhydrous tetrahydrofuran is used as a solvent, and lithium tetrahydrogenate is used as a reducing agent, and is reacted at -30 to 20 ° C for 1 to 3 hours.
- the intermediate II-3-1-II-3-8 is subjected to an oxidation reaction in a solvent at 20 ° C to 150 ° C or a reflux temperature of the solvent for 1 to 24 hours to obtain an intermediate II-4-1-II-4. -8.
- the solvent may be selected from the group consisting of ethyl acetate, dichloromethane, dioxane, tetrahydrofuran, chloroform, cyclohexane, dimethylformamide, dimethylacetamide, ethylene glycol
- the solvent such as ether or dimethyl sulfoxide may be a single solvent or a mixed solvent.
- the oxidizing agent may be selected from the group consisting of active manganese dioxide, 2-iodobenzoic acid (IBX), Des Martin oxidizing agent (DMP), pyridinium chlorochromate (PCC), pyridinium dichromate ( PDC), pyridine trioxide or dimethyl sulfoxide And a mixed oxidizing agent such as swern oxidation.
- the optimum reaction conditions are as follows: anhydrous ethyl acetate is used as a solvent, and IBX is an oxidizing agent, which is reacted at 60 ° C for 4 to 12 hours.
- the solvent may be selected from the group consisting of methanol, ethanol, isopropanol, tetrahydrofuran, dichloromethane, 1,2-dichloroethane, dioxane, dimethylformamide, acetonitrile, ethylene glycol Methyl ether, water, etc. may be a single solvent or a mixed solvent.
- the base may be selected from an organic base such as pyridine, triethylamine or diisopropylethylamine.
- the reducing agent is selected from the group consisting of sodium borohydride, potassium borohydride, sodium cyanoborohydride, sodium triacetoxyborohydride and the like.
- the optimum reaction conditions are: dichloromethane as solvent, triethylamine as base, intermediate II-4-1-II-4-8 and amine I-4 reacted at room temperature to form an imine and then triacetoxy. Reduction with sodium borohydride and further reaction at room temperature for 4 to 16 hours.
- the compound 18 is reacted in a solvent with a different aldehyde under acidic conditions to form an intermediate state of the imine, and then subjected to a reductive amination reaction in the presence of a reducing reagent for 1 to 24 hours to obtain a compound 44-compound 45.
- the solvent may be selected from the group consisting of methanol, ethanol, isopropanol, tetrahydrofuran, dichloromethane, 1,2-dichloroethane, dioxane, dimethylformamide, acetonitrile, ethylene glycol dimethyl ether, and water. It may be a single solvent or a mixed solvent.
- the acid may be an organic weak acid or a Lewis acid selected from the group consisting of acetic acid, zinc chloride, zinc bromide, boron trifluoride etherate and the like.
- the reducing agent is selected from the group consisting of sodium borohydride, potassium borohydride, sodium cyanoborohydride, sodium triacetoxyborohydride and the like.
- the optimal reaction conditions are as follows: tetrahydrofuran is a solvent, acetic acid is an acid, and compound 18 and an aldehyde are reacted at room temperature to form an imine, which is then reduced by sodium triacetoxyborohydride, and further reacted at room temperature for 4 to 16 hours.
- the solvent may be selected from the group consisting of acetonitrile, acetone, dioxane, tetrahydrofuran, methanol, ethanol, isopropanol, dimethylformamide, dimethylacetamide, ethylene glycol dimethyl ether, and dimethyl
- the solvent such as sulfoxide and water may be a single solvent or a mixed solvent.
- the base may be selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide, barium hydroxide, potassium carbonate, sodium carbonate, Barium carbonate, sodium hydrogencarbonate, potassium hydrogencarbonate, potassium t-butoxide, sodium t-butoxide, sodium hydride, potassium hydride, triethylamine, diisopropylethylamine and the like.
- the optimum reaction conditions are as follows: dimethylformamide is a solvent, potassium carbonate is a base, and starting materials IV-1 and I-2-4 are reacted at 120 ° C for 2 to 12 hours.
- the solvent may be selected from the group consisting of methanol, ethanol, isopropanol, tetrahydrofuran, dichloromethane, 1,2-dichloroethane, dioxane, dimethylformamide, acetonitrile, ethylene glycol Methyl ether, water, etc. may be a single solvent or a mixed solvent.
- the base may be selected from an organic base such as pyridine, triethylamine or diisopropylethylamine.
- the reducing agent is selected from the group consisting of sodium borohydride, potassium borohydride, sodium cyanoborohydride, sodium triacetoxyborohydride and the like.
- the optimum reaction conditions are: dichloromethane as solvent, triethylamine as base, intermediate IV-2 and amine I-4 reacted at room temperature to form an imine, and then reduced by sodium triacetoxyborohydride at room temperature. Re-react for 4 to 16 hours.
- compound 4 and hydrochloric acid, compound 18 and phosphoric acid, compound 36 and methanesulfonic acid, compound 44 and fumaric acid are reacted at -20 ° C to 100 ° C for 1 to 48 hours, respectively, to directly precipitate solids or stand still. Recrystallization from solid or concentrated affords compound 47 - compound 50.
- the molar ratio of compound 4 to hydrochloric acid, compound 18 and phosphoric acid, compound 36 and methanesulfonic acid, compound 44 and fumaric acid are preferably 1:1 to 1:10;
- the solvent is selected from the group consisting of acetone, tetrahydrofuran, acetonitrile, ethanol, methanol, isopropanol, dichloromethane, 1,4-dioxane, dimethylformamide, dimethylacetamide, N-methylpyrrolidone, dimethyl Sulfoxide or water, etc., may be a single solvent or a mixed solvent;
- the reaction is preferably carried out by reacting a mixed solution of dichloromethane and methanol in a volume ratio of 5:1 to 1:5 as a solvent at room temperature for 1 to 24 hours.
- the use of the above novel nitroimidazole compound or a pharmaceutically acceptable salt thereof for the preparation of a medicament for treating a disease associated with infection caused by Mycobacterium tuberculosis is provided.
- the compound of the formula (I) of the present invention has a strong anti-tuberculosis effect, and particularly has an excellent effect on multidrug-resistant M. tuberculosis.
- the compounds of the general formula (I) of the present invention have an increased water solubility, and the compounds of the present invention have excellent pharmacokinetic properties in animal drug metabolism studies. This compound enhances anti-tuberculous mycobacterial activity, improves drug efficacy, reduces side effects, and Provincial costs are important.
- active ingredient means a compound represented by the formula (I), and a pharmaceutically acceptable inorganic or organic salt of the compound of the formula (I).
- the compounds of the invention may contain one or more asymmetric centers and thus occur as racemates, racemic mixtures, single enantiomers, diastereomeric compounds and single diastereomers.
- the asymmetric center that can exist depends on the nature of the various substituents on the molecule. Each such asymmetric center will independently produce two optical isomers, and all possible optical isomers and diastereomeric mixtures as well as pure or partially pure compounds are included within the scope of the invention.
- the invention is meant to include all such isomeric forms of these compounds.
- a compound of the present invention can be produced by reacting a polar protic solvent such as methanol, ethanol, isopropanol, and a pharmaceutically acceptable acid to form a pharmaceutically acceptable salt.
- a pharmaceutically acceptable inorganic or organic acid may be: hydrochloric acid, hydrobromic acid, hydrofluoric acid, sulfuric acid, nitric acid, phosphoric acid, formic acid, acetic acid, propionic acid, oxalic acid, malonic acid, succinic acid, fumaric acid.
- maleic acid lactic acid, malic acid, tartaric acid, citric acid, picric acid, methanesulfonic acid, ethanesulfonic acid, p-toluenesulfonic acid, aspartic acid or glutamic acid.
- TB tuberculosis caused by TB
- TB tuberculosis drug
- drug-resistant Mycobacterium tuberculosis to a clinical drug
- drug-resistant Mycobacterium tuberculosis and a drug-resistant tubercle bacillus.
- infectious disease refers to tuberculosis, lymphatic tuberculosis, intestinal tuberculosis, bone tuberculosis, tuberculous pleurisy, and tuberculous meningitis. Wait.
- the compound of the present invention Since the compound of the present invention has excellent activity against Mycobacterium tuberculosis, the compound of the present invention and various crystal forms thereof, pharmaceutically acceptable inorganic or organic salts, and pharmaceutical compositions containing the compound of the present invention as a main active ingredient can be used for treatment and treatment Mycobacterium tuberculosis related diseases. According to the prior art, the compounds of the invention are useful in the treatment of tuberculosis and other infectious diseases.
- the present invention also provides a pharmaceutical composition for treating a disease associated with infection caused by Mycobacterium tuberculosis, which comprises a therapeutically effective amount of the above nitroimidazole compound and a pharmaceutically acceptable excipient or carrier.
- compositions of the present invention comprise a nitroimidazole compound of the invention in a safe and effective amount and a pharmaceutically acceptable excipient or carrier.
- safe, effective amount it is meant that the amount of the compound is sufficient to significantly improve the condition without causing serious side effects.
- the pharmaceutical compositions contain from 1 to 1000 mg of the compound of the invention per dose, preferably from 5 to 500 mg of the compound of the invention per agent, more preferably from 10 to 200 mg of the compound of the invention per agent.
- the compounds of the present invention and pharmaceutically acceptable salts thereof can be formulated into various formulations comprising a safe or effective amount of a compound of the present invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient or carrier.
- safe, effective amount it is meant that the amount of the compound is sufficient to significantly improve the condition without causing serious side effects.
- the safe and effective amount of the compound is determined according to the specific conditions such as the age, condition, and course of treatment of the subject.
- “Pharmaceutically acceptable excipient or carrier” means: one or more compatible solid or liquid fillers or gel materials which are suitable for human use and which must be of sufficient purity and of sufficiently low toxicity .
- “compatibility” it is meant herein that the components of the composition are capable of intermixing with the compounds of the invention and with each other without significantly reducing the potency of the compound.
- Examples of pharmaceutically acceptable excipients or carriers are cellulose and its derivatives (such as sodium carboxymethylcellulose, sodium ethylcellulose, cellulose acetate, etc.), gelatin, talc, solid lubricants (such as stearic acid, magnesium stearate), calcium sulfate, vegetable oil (such as soybean oil, sesame oil, peanut oil, olive oil, etc.), polyol (such as propylene glycol, glycerin, mannitol, sorbitol, etc.), emulsifier (such as Tween ), a wetting agent (such as sodium lauryl sulfate), a coloring agent, a flavoring agent, a stabilizer, an antioxidant, a preservative, a pyrogen-free water, and the like.
- cellulose and its derivatives such as sodium carboxymethylcellulose, sodium ethylcellulose, cellulose acetate, etc.
- gelatin such as stearic acid, magnesium stearate
- the compound of the present invention when administered, it can be administered orally, rectally, parenterally (intravenously, intramuscularly or subcutaneously) or topically.
- Solid dosage forms for oral administration include capsules, tablets, pills, powders, and granules.
- the active compound is mixed with at least one conventional inert excipient (or carrier), such as sodium citrate or dicalcium phosphate, or mixed with: (a) a filler or compatibilizer, for example, Starch, lactose, sucrose, glucose, mannitol and silicic acid; (b) binders, for example, hydroxymethylcellulose, alginates, gelatin, polyvinylpyrrolidone, sucrose and gum arabic; (c) humectants, For example, glycerin; (d) a disintegrant such as agar, calcium carbonate, potato starch or tapioca starch, alginic acid, certain complex silicates, and sodium carbonate; (e) a slow solvent such as paraffin; (f) Absorbing accelerators, for example, quaternary amine compounds; (g) wetting agents, such as cetyl alcohol and
- Solid dosage forms such as tablets, dragees, capsules, pills, and granules can be prepared with coatings and shells such as enteric coatings and other materials known in the art. They may contain opacifying agents and the release of the active compound or compound in such compositions may be released in a portion of the digestive tract in a delayed manner. Examples of embedding components that can be employed are polymeric and waxy materials. If necessary, the active compound may also be in microencapsulated form with one or more of the above-mentioned excipients.
- Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, solutions, suspensions, syrups or elixirs.
- the liquid dosage form may contain inert diluents conventionally employed in the art, such as water or other solvents, solubilizers and emulsifiers, for example, ethanol, isopropanol, ethyl carbonate, ethyl acetate, propylene glycol, 1 , 3-butanediol, dimethylformamide and oils, especially cottonseed oil, peanut oil, corn germ oil, olive oil, castor oil and sesame oil or a mixture of these substances.
- inert diluents conventionally employed in the art, such as water or other solvents, solubilizers and emulsifiers, for example, ethanol, isopropanol, ethyl carbonate, ethyl acetate, propylene glycol, 1 , 3-butanediol, dimethyl
- compositions may contain adjuvants such as wetting agents, emulsifying and suspending agents, sweetening agents, flavoring agents, and flavoring agents.
- adjuvants such as wetting agents, emulsifying and suspending agents, sweetening agents, flavoring agents, and flavoring agents.
- the suspension may contain suspending agents, for example, ethoxylated isostearyl alcohol, polyoxyethylene sorbitol and sorbitan esters, microcrystalline cellulose, aluminum methoxide and agar or mixtures of these and the like.
- suspending agents for example, ethoxylated isostearyl alcohol, polyoxyethylene sorbitol and sorbitan esters, microcrystalline cellulose, aluminum methoxide and agar or mixtures of these and the like.
- compositions for parenteral injection may comprise a physiologically acceptable sterile aqueous or nonaqueous solution, dispersion, suspension or emulsion, and a sterile powder for reconstitution into a sterile injectable solution or dispersion.
- Suitable aqueous and nonaqueous vehicles, diluents, solvents or vehicles include water, ethanol, polyols, and suitable mixtures thereof.
- Dosage forms for the compounds of the invention for topical administration include ointments, powders, patches, propellants and inhalants.
- the active ingredient is admixed under sterile conditions with a physiologically acceptable carrier and any preservatives, buffers, or, if necessary, propellants.
- the compounds of the invention may be administered alone or in combination with other pharmaceutically acceptable compounds.
- a safe and effective amount of a compound of the invention is administered to a mammal (e.g., a human) in need of treatment wherein the dosage is a pharmaceutically effective effective dosage, for a 60 kg body weight
- the dose to be administered is usually from 1 to 1000 mg, preferably from 10 to 500 mg.
- specific doses should also consider factors such as the route of administration, the health of the patient, etc., which are within the skill of the skilled physician.
- the compound of the present invention has a specific effect on Mycobacterium tuberculosis.
- the compound of the present invention has an excellent effect on multidrug resistant Mycobacterium tuberculosis.
- the compounds of the present invention have increased water solubility, and the compounds of the present invention have excellent pharmacokinetic properties in animal drug metabolism studies. This has important significance for improving the activity of anti-tuberculous mycobacteria, improving drug efficacy, reducing side effects and saving costs.
- the compounds of the invention are very safe for the cardiovascular system.
- the melting point was measured by an X-4 melting point apparatus, the thermometer was not corrected; 1 H-NMR was recorded with a Varian Mercury 300 or 400 nuclear magnetic resonance apparatus, and the chemical shift was expressed by ⁇ (ppm); the MS was measured using Shimadzu LC- MS-2020 mass spectrometer.
- the silica gel for separation is not described as 200-300 mesh, and the ratio of the eluents is a volume ratio.
- Example 28 (6S)-2-Nitro-N-((6-(3-(4-(trifluoromethoxy)phenoxy)-8-azabicyclo[3.2.1]octane -8-yl)pyrimidin-3-yl)methyl)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-amine (Compound 28)
- the compound 48-50 of Table 1 can be prepared according to the method of Example 47, specifically using an acid, and the salt melting point and yield of the obtained compound are shown in Table 2.
- Example Compound number acid Salt melting point (°C) Yield Example 48 48 hydrochloric acid 192-194 54.2%
- Example 49 Methanesulfonic acid 175-177 70.2%
- Example 50 50 Fumaric acid 143-145 80.7%
- test strain H37Rv was transferred to a liquid medium, cultured at 37 ° C for 2 weeks, a little culture medium was aspirated, placed in 4 mL of liquid medium, and 10 to 20 pieces of sterile glass beads having a diameter of 2 to 3 mm were added, and the mixture was shaken for 20 to 30 seconds. , static precipitation for 10-20 min, the supernatant of the bacterial suspension was aspirated, and the turbidity was adjusted to 1 Meth's unit with liquid medium, which was equivalent to 1 ⁇ 10 7 CFU/mL. Each drug was dissolved in an appropriate amount of DMSO to 1 mg/mL, and filtered through a 0.22 ⁇ m filter. Dilute to the desired experimental concentration in liquid medium.
- the final concentration of the test drug was set as follows: 0.001 ⁇ g/mL, 0.002 ⁇ g/mL, 0.0039 ⁇ g/mL, 0.0078 ⁇ g/mL, 0.0165 ⁇ g/mL, 0.03125 ⁇ g/mL, 0.0625 ⁇ g/mL, 0.125 ⁇ g/mL, 0.25 ⁇ g. /mL, 0.5 ⁇ g/mL, 1 ⁇ g/mL, a total of 11 concentration gradients. 100 ⁇ L of each of the above drug solutions was added to a 96-well microplate, and 100 ⁇ L of the bacterial solution at a concentration of 1 mg/mL was added to bring the drug concentration to the set final concentration, and cultured at 37 °C.
- H37Rv As shown in Table 3, the in vitro screening of H37Rv showed that Compound 4, Compound 6, Compound 10, Compound 20 and Compound 44 were the most active, and its minimum inhibitory concentration (MIC) for H37Rv was 256 times that of ethambutol. It is 32 times the activity of PA-824 that is undergoing clinical research; Compound 5 and Compound 24 exhibit the same strong anti-tuberculosis activity, 128 times that of ethambutol and 16 times that of PA-824. Compound 1, Compound 14, Compound 18, Compound 19, Compound 31, Compound 36 and Compound 40 exhibited activities of equal strength, and their antitubercular activity was 64 times that of ethambutol and 8 times that of PA-824, respectively.
- MIC minimum inhibitory concentration
- Test strains (246: streptomycin resistance; 242: isoniazid resistance; 261: rifampicin resistance.
- Clinical isolates of Mycobacterium tuberculosis clinically isolated from Shanghai Pulmonary Hospital, the steps are as follows: a Collecting sputum specimens from inpatients of tuberculosis in Shanghai Pulmonary Hospital, after alkali treatment, inoculation on modified Roche medium for 2 weeks; b.
- Absolute concentration method for measuring drug sensitivity scraping fresh culture from the inclined surface of the medium The turbidity of the bacteria was adjusted to 1 Meth's unit (1 mg/mL) with physiological saline, diluted to 10-2 mg/mL, and 0.1 mL was inoculated on the susceptibility medium, and the results were observed after four weeks.
- Tuberculosis Diagnostic Laboratory Test Procedures edited by the Basic Professional Committee of China National Defense Association, China Education and Culture Press, January 2006) transferred to liquid medium, cultured at 37 °C for 2 weeks, aspirate culture medium a little, placed in 4mL liquid
- 10-20 pieces of sterile glass beads with a diameter of 2 to 3 mm were added, shaken for 20 to 30 seconds, and statically precipitated for 10 to 20 minutes.
- the supernatant of the bacterial suspension was aspirated, and the turbidity was adjusted to 1 Meth's unit with a liquid medium. Equivalent to 1 ⁇ 10 7 CFU / mL spare.
- each drug was dissolved in an appropriate amount of DMSO to 1 mg/mL, and filtered through a 0.22 ⁇ m filter. Dilute to the desired experimental concentration in liquid medium.
- the final concentration of the test drug was set as follows: 0.0039 ⁇ g/mL, 0.0078 ⁇ g/mL, 0.0165 ⁇ g/mL, 0.03125 ⁇ g/mL, 0.0625 ⁇ g/mL, 0.125 ⁇ g/mL, 0.25 ⁇ g/mL, 0.5 ⁇ g/mL, 1 ⁇ g/ mL, 2 ⁇ g/mL, 4 ⁇ g/mL, a total of 11 concentration gradient detection, each take 100 ⁇ L of the above drug solution, added to a 96-well microplate, and then add 100 ⁇ L of 1mg / mL concentration of bacteria, so that the drug concentration reached the setting The final concentration was incubated at 37 °C.
- the inoculation amount was set to 100%, 10%, and 1%, respectively.
- the minimum inhibitory concentration (MIC) of each drug against Mycobacterium tuberculosis was observed and compared with the MIC results of PA-824. The results are shown in the table below.
- test compounds have strong anti-drug resistant Mycobacterium tuberculosis activity, especially the MIC values of Compound 4, Compound 10, Compound 20 and Compound 44 against various drug-resistant Mycobacterium tuberculosis are 0.00195 ⁇ g.
- the MIC value of compound 24 against various drug-resistant Mycobacterium tuberculosis was 0.0039 ⁇ g / mL, respectively, 128, 256 and 128 of the control drug PA-824
- the MIC values of Compound 1, Compound 18, Compound 19, Compound 36 and Compound 40 for various drug-resistant Mycobacterium tuberculosis were 0.0078 ⁇ g/mL, which were 64, 128 and 64 times, respectively, of the control drug PA-824.
- To the scale make a sample solution; accurately weigh 2.6mg of the sample into a 50mL volumetric flask, add methanol to dissolve. Add water to the mark and shake to obtain a control sample solution.
- the sample solution and the control sample solution were each injected with 20 ⁇ L in a liquid phase test. Calculated as follows:
- Solubility (mg/mL) C (pair) * 25 * A (sample) / A (pair)
- sample liquid phase peak area of the sample solution
- Good water solubility can improve the pharmacokinetic properties of the drug and facilitate the preparation of pharmaceutical preparations.
- the dosage was 10 mg/kg and the administration volume was 10 mL/kg. Fasting for 12 hours before the test, free to drink water. Uniformly eaten 2 hours after administration.
- 0.3 mL of blood was taken from the venous plexus of the mouse eyeball, placed in a heparinized test tube, centrifuged at 3000 rpm for 10 min, and the plasma was separated and frozen in a refrigerator at -20 °C.
- the samples were treated according to the plasma sample processing method during the measurement, and the drug concentration in the plasma was determined by LC-MS/MS method, and the pharmacokinetic parameters were calculated.
- the above compounds all have good pharmacokinetic properties, especially Compound 1, Compound 10, Compound 20 and Compound 31, which are excellent in pharmacokinetic properties.
- HEK-293 cells stably expressing hERG were used to record hERG potassium channel currents at room temperature using whole-cell patch clamp technique.
- a glass microelectrode with a tip resistance of about 1-4 M ⁇ is connected to an Axon 200A patch clamp amplifier.
- Clamping voltage and data recording were controlled by clampex 9.2 software via Axon DigiData 1322A A/D converter, cell clamped at -80mV, induced hERG potassium current (I hERG ) step voltage from -80mV given a 2s depolarization The voltage is +20mV, and then repolarized to -40mV, and returns to -80mV after 4s. This voltage step was administered before and after administration to induce hERG potassium current.
- the Fractional block represents the percentage inhibition of the hERG potassium current by the compound, and I and Io respectively indicate the magnitude of the hERG potassium current after dosing and before dosing.
- the IC 50 of the compound was calculated using the following equation:
- Io and I indicate the magnitude of hERG potassium current before and after dosing, respectively.
- [C] is the concentration of the compound, n is Hill coefficient.
- Table 7 shows the inhibition of hERG by some compounds:
- Table 7 shows that the compounds of the present invention have a weak inhibition of hERG potassium current, suggesting that the compounds of the present invention are safe for the cardiovascular system and are safer than the control drug PA-824.
- Preparation method the above active ingredient, lactose and starch are mixed, uniformly moistened with water, the wetted mixture is sieved and dried, sieved, magnesium stearate is added, and then the mixture is tableted, each tablet weighs 660 mg, active ingredient The content is 50 mg.
- Preparation method the above active ingredient, starch and microcrystalline cellulose are mixed, sieved, uniformly mixed in a suitable container, and the obtained mixture is filled into hard gelatin capsules each weighing 650 mg and having an active ingredient content of 50 mg.
Abstract
Description
实施例 | 化合物编号 | 酸 | 盐熔点(℃) | 收率 |
实施例48 | 48 | 盐酸 | 192-194 | 54.2% |
实施例49 | 49 | 甲磺酸 | 175-177 | 70.2% |
实施例50 | 50 | 富马酸 | 143-145 | 80.7% |
供试化合物 | 溶解度 |
化合物1 | 0.7842mg/mL |
化合物4 | 1.2572mg/mL |
化合物10 | 0.5217mg/mL |
化合物18 | 1.5321mg/mL |
化合物19 | 1.3218mg/mL |
化合物20 | 1.0238mg/mL |
化合物24 | 0.7815mg/mL |
化合物31 | 1.3548mg/mL |
化合物36 | 1.1237mg/mL |
PA-824 | 0.017mg/mL |
化合物 | IC50(μM) |
化合物18 | 41.07 |
化合物19 | 38.28 |
化合物31 | 39.53 |
PA-824 | 5.8 |
Claims (10)
- 一类硝基咪唑类化合物,其是下述通式(I)化合物或其光学异构体、或药学上可接受的盐:通式(I)中,n表示1~4之间的整数;L为O,S,NH或化学键;X为C或N;R1为氢或C1-6烷基;R2和R3相同或不相同,分别独立选自氢,卤素,氰基,三氟甲基,C1-4烷基,C3-6环烷基或C1-4烷氧基;R4为芳环或至少含有一个选自N,O或S杂原子的杂芳环,所述芳环或芳杂环是未取代的或任意被一至三个独立选自氰基,CF3,OCF3,卤素,甲基或甲氧基的基团所取代;A选自饱和的或不饱和的C5-7环烷基,C8-10并环烷基,C7-9桥环烷基,C7-11螺环烷基,其环烷基中至少有一个碳原子被氮原子取代且通过氮原子和杂芳环相连,上述环烷基被一个或多个氟,氰基,羟基,C1-4烷基,C1-4烷氧基基团取代。
- 如权利要求1所述的硝基咪唑类化合物,其特征在于,所述药学上可接受的盐包括:通式(I)所示的化合物与酸形成的盐;其中,酸包括:无机酸、有机酸或酸性氨基酸;所述无机酸包括:盐酸、氢溴酸、氢氟酸、硫酸、硝酸或磷酸;所述有机酸包括:甲酸、乙酸、丙酸、草酸、三氟乙酸、丙二酸、琥珀酸、富马酸、马来酸、乳酸、苹果酸、酒石酸、柠檬酸、苦味酸、甲磺酸、对甲基苯磺酸、乙磺酸或苯磺酸;所述酸性氨基酸包括:天冬氨酸或谷氨酸。
- 如权利要求1所述的硝基咪唑类化合物,其特征在于,所述化合物为下述式1化合物,式2化合物,式3化合物,式4化合物,式5化合物,式6化合物,式7化合物,式8化合物,式9化合物,式10化合物,式11化合物,式12化合物,式13化合物,式14化合物,式15化合物,式16化合物,式17化合物,式18化合物,,式19化合物,式20化合物,式21化合物,式22化合物,式23化合物,式24化合物,式25化合物,式26化合物,式27化合物,式28化合物,式29化合物,式30化合物,式31化合物,式32化合物,式33化合物,式34化合物,式35化合物,式36化合物,式37化合物,式38化合物,式39化合物,式40化合物,式41化合物,式42化合物,式43化合物,式44化合物,式45化合物,式46化合物,式47化合物,式48化合物,式49化合物,式50化合物:
- 一种如权利要求1所述硝基咪唑类化合物的制备方法,其反应式如下:该方法包括如下步骤:(1)在20℃~150℃或溶剂回流温度下,原料I-1-1-I-1-2和I-2-1-I-2-21在溶剂中并在碱性条件下发生取代反应1~24小时得到中间体I-3-1-I-3-35;所述溶剂选自乙腈、丙酮、二氧六环、四氢呋喃、甲醇、乙醇、异丙醇、二甲基甲酰胺、二甲基乙酰胺、乙二醇二甲醚、二甲亚砜和水中的一种或多种;所述碱选自氢氧化钠、氢氧化钾、氢氧化锂、氢氧化钡、碳酸钾、碳酸钠、碳酸铯、碳酸氢钠、碳酸氢钾、叔丁醇钾、叔丁醇钠、氢化钠、氢化钾、三乙胺、或二异丙基乙胺;(2)中间体I-3-1-I-3-35在溶剂中和胺I-4在碱性条件下反应形成亚胺中间态,再在还原试剂的存在下进行还原胺化反应1~24小时得到化合物1-化合物35;所述溶剂选自甲醇、乙醇、异丙醇、四氢呋喃、二氯甲烷、1,2-二氯乙烷、二氧六环、二甲基甲酰胺、乙腈、乙二醇二甲醚和水中的一种或多种;所述碱选自包括吡啶,三乙胺,二异丙基乙基胺的有机碱,所述还原试剂选自硼氢化钠,硼氢化钾,氰基硼氢化钠,或三乙酰氧基硼氢化钠。
- 一种如权利要求1所述硝基咪唑类化合物的制备方法,其反应式如下:该方法包括如下步骤:(1)在20℃~150℃或溶剂回流温度下,原料II-1-1-II-1-8和I-2-4在溶剂中发生取代反应1~24小时得到中间体II-2-1-II-2-8;所述溶剂选自乙腈、丙酮、二氧六环、四氢呋喃、甲醇、乙醇、异丙醇、二甲基甲酰胺、二甲基乙酰胺、乙二醇二甲醚、二甲亚砜和水中的一种或多种;所述碱选自氢氧化钠、氢氧化钾、氢氧化锂、氢氧化钡、碳酸钾、碳酸钠、碳酸铯、碳酸氢钠、碳酸氢钾、叔丁醇钾、叔丁醇钠、氢化钠、氢化钾、三乙胺、或二异丙基乙胺;(2)在-78℃~40℃下,中间体II-2-1-II-2-8在溶剂中发生还原反应0.5~24小时得到中间体II-3-1-II-3-8;所述溶剂选自甲苯、四氢呋喃、正己烷、环己烷、甲基四氢呋喃、乙醚、甲基叔丁醚、乙二醇二甲醚和水中的一种或多种;所述还原剂选自硼氢化钠、硼氢化钾、硼氢化锂、四氢铝锂、二异丁基氢化铝或红铝;(3)在20℃~150℃或溶剂回流温度下,中间体II-3-1-II-3-8在溶剂中发生氧化反应1~24小时得到中间体II-4-1-II-4-8;所述溶剂选自乙酸乙酯、二氯甲烷、二氧六环、四氢呋喃、三氯甲烷、环己烷、二甲基甲酰胺、二甲基乙酰胺、乙二醇二甲醚、二甲亚砜中的一种或多种;所述氧化剂选自活性二氧化锰、2-碘酰基苯甲酸、戴斯马丁氧化剂、氯铬酸吡啶鎓盐、重铬酸吡啶鎓盐、吡啶三氧化硫或二甲亚砜和草酰氯;(4)中间体II-4-1-II-4-8在溶剂中和胺I-4在碱性条件下反应形成亚胺中间态,再在还原试剂的存在下进行还原胺化反应1~24小时得到化合物36-化合物43;所述溶剂选自甲醇、乙醇、异丙醇、四氢呋喃、二氯甲烷、1,2-二氯乙烷、二氧六环、二甲基甲酰胺、乙腈、乙二醇二甲醚和水中的一种或多种;所述碱选自包括吡啶,三乙胺,二异丙基乙基胺的有机碱;所述还原试剂选自硼氢化钠,硼氢化钾,氰基硼氢化钠,或三乙酰氧基硼氢化钠。
- 一种如权利要求1所述硝基咪唑类化合物的制备方法,其反应式如下:该方法包括如下步骤:(1)在20℃~150℃或溶剂回流温度下,原料IV-1和I-2-4在溶剂中并在碱性条件下发生取代反应1~24小时得到中间体IV-2;所述溶剂选自乙腈、丙酮、二氧六环、四氢呋喃、甲醇、乙醇、异丙醇、二甲基甲酰胺、二甲基乙酰胺、乙二醇二甲醚、二甲亚砜和水中的一种或多种;所述碱选自氢氧化钠、氢氧化钾、氢氧化锂、氢氧化钡、碳酸钾、碳酸钠、碳酸铯、碳酸氢钠、碳酸氢钾、叔丁醇钾、叔丁醇钠、氢化钠、氢化钾、三乙胺、或二异丙基乙胺;(2)中间体IV-2在溶剂中和胺I-4在碱性条件下反应形成亚胺中间态,再在还原试剂的存在下进行还原胺化反应1~24小时得到化合物46;所述溶剂选自甲醇、乙醇、异丙醇、四氢呋喃、二氯甲烷、1,2-二氯乙烷、二氧六环、二甲基甲酰胺、乙腈、乙二醇二甲醚和水中的一种或多种;所述碱选自包括吡啶,三乙胺,二异丙基乙基胺的有机碱;所述还原剂选自硼氢化钠,硼氢化钾,氰基硼氢化钠,或三乙酰氧基硼氢化钠。
- 一种如权利要求1所述硝基咪唑类化合物在制备治疗与结核杆菌引起的感染相关的疾病的药物中的应用。
- 用于治疗与结核杆菌引起的感染相关的疾病的药物组合物,其中含有治疗有效量的权利要求1所述硝基咪唑类化合物和药学上可接受的赋形剂或载体。
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WO2019128963A1 (zh) * | 2017-12-26 | 2019-07-04 | 南京明德新药研发股份有限公司 | 抗肺结核病的硝基咪唑衍生物 |
GB201809295D0 (en) * | 2018-06-06 | 2018-07-25 | Institute Of Cancer Res Royal Cancer Hospital | Lox inhibitors |
CN112300192B (zh) * | 2019-08-02 | 2023-08-11 | 南京长澳医药科技有限公司 | 硝基咪唑类化合物及其制备方法和用途 |
CN113527331A (zh) * | 2020-04-17 | 2021-10-22 | 南京长澳医药科技有限公司 | 硝基咪唑类衍生物及其制备方法和用途 |
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US6087358A (en) * | 1995-06-26 | 2000-07-11 | Pathogenesis Corporation | Nitro-[2,1-b]imidazopyran compounds and antibacterial uses thereof |
CN1705670A (zh) * | 2002-10-11 | 2005-12-07 | 大塚制药株式会社 | 2,3-二氢-6-硝基咪唑并[2,1-b]噁唑化合物 |
WO2009120789A1 (en) * | 2008-03-26 | 2009-10-01 | Global Alliance For Tb Drug Development | Bicyclic nitroimidazoles covalently linked to substituted phenyl oxazolidinones |
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US5668127A (en) * | 1995-06-26 | 1997-09-16 | Pathogenesis Corporation | Nitroimidazole antibacterial compounds and methods of use thereof |
WO2011087995A2 (en) * | 2010-01-13 | 2011-07-21 | Clifton Barry | Organic compounds |
CN102234287B (zh) * | 2010-04-26 | 2015-08-05 | 上海阳帆医药科技有限公司 | 硝基咪唑类化合物、其制备方法和用途 |
CN103450220B (zh) * | 2012-06-05 | 2017-02-08 | 上海阳帆医药科技有限公司 | 一种硝基咪唑类化合物及其在药学中的用途 |
CN104059082B (zh) * | 2013-03-21 | 2016-08-03 | 苏州迈泰生物技术有限公司 | 硝基咪唑杂环类化合物及其在制备治疗结核病药物中的应用 |
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- 2015-12-11 AU AU2015360133A patent/AU2015360133A1/en not_active Abandoned
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- 2015-12-11 WO PCT/CN2015/097096 patent/WO2016091207A1/zh active Application Filing
- 2015-12-11 CA CA2970388A patent/CA2970388A1/en not_active Abandoned
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6087358A (en) * | 1995-06-26 | 2000-07-11 | Pathogenesis Corporation | Nitro-[2,1-b]imidazopyran compounds and antibacterial uses thereof |
CN1705670A (zh) * | 2002-10-11 | 2005-12-07 | 大塚制药株式会社 | 2,3-二氢-6-硝基咪唑并[2,1-b]噁唑化合物 |
WO2009120789A1 (en) * | 2008-03-26 | 2009-10-01 | Global Alliance For Tb Drug Development | Bicyclic nitroimidazoles covalently linked to substituted phenyl oxazolidinones |
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JP2017537133A (ja) | 2017-12-14 |
AU2015360133A1 (en) | 2017-07-13 |
CN105732659A (zh) | 2016-07-06 |
US20170334927A1 (en) | 2017-11-23 |
CN105732659B (zh) | 2019-07-16 |
CA2970388A1 (en) | 2016-06-16 |
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