WO2008019572A1 - Meptazinol biligand derivatives and/or their salts, preparation method and uses thereof - Google Patents
Meptazinol biligand derivatives and/or their salts, preparation method and uses thereof Download PDFInfo
- Publication number
- WO2008019572A1 WO2008019572A1 PCT/CN2007/002243 CN2007002243W WO2008019572A1 WO 2008019572 A1 WO2008019572 A1 WO 2008019572A1 CN 2007002243 W CN2007002243 W CN 2007002243W WO 2008019572 A1 WO2008019572 A1 WO 2008019572A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- derivative
- bis
- salt
- metatol
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/04—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
Definitions
- the present invention belongs to the field of pharmacy and relates to (-)-metatol bis-ligand derivatives and/or salts thereof, and methods for their preparation and use.
- the present invention specifically relates to the treatment of neurodegenerative diseases including Alzheimer's disease (AD), Parkinson's disease (PD), and Alzheimer's disease (AD), Lewy body dementia (DLB), and blood vessels.
- AD Alzheimer's disease
- PD Parkinson's disease
- AD Alzheimer's disease
- DLB Lewy body dementia
- blood vessels blood vessels.
- Meptazinol a molecular formula of C 15 3 ⁇ 4 3 NO, chemically known as 3-(3-ethyl-1-methyl-1H-hexahydroazepin-3-yl)phenol, was introduced in 1986.
- Analgesic drugs with analgesic activity comparable to pentazocine, dipyridamole and dextropropoxyphene, but slightly weaker than morphine, with very low side effects such as respiratory depression and addiction compared with other opioid analgesics Therefore, it is not a category of "anarrhea" management.
- meptazine can be applied to acute and chronic pain, such as trauma, postoperative, obstetrical and cancer pain, especially for labor analgesia, safe and effective, and does not affect the health of newborns.
- acute and chronic pain such as trauma, postoperative, obstetrical and cancer pain
- labor analgesia safe and effective
- the clinical efficacy after marketing was reliable and was included in the British Pharmacopoeia in 1998.
- AChE inhibitors improve the ACh concentration between synapses by inhibiting ACh hydrolysis and improve learning and memory.
- AChE inhibitors are currently the primary clinical drug approved by the FDA for the treatment of Alzheimer's disease (AD). They are also used to treat other neurodegenerative diseases including Parkinson's disease (PD) and Lewy. Other dementias such as dementia (DLB) and vascular dementia (VaD). Conventional AChE inhibitors can only be used to alleviate the symptoms of dementia in patients and do not fundamentally prevent the development of degenerative diseases. In recent years, many activity enhancements have been designed and synthesized based on the presence of two important active sites in the bottom (three-in-one catalytic center, Catalytic triad) and oral (peripheral anionic site, PAS) of AChE.
- AChE inhibitor di- and di-functional derivatives including bimolecular tacrine, bimolecular huperzine B, and the like.
- dual-site inhibitors acting on both the AChE catalytic site and the peripheral anion site have dual inhibitory effects of AChE and amyloid beta ( ⁇ ) deposition, which can improve the symptoms of dementia in patients and interfere with degenerative properties.
- the pathological process of the lesion plays a role in both the symptoms and the root causes.
- di-ligand derivatives of meptazol at home and abroad.
- Another object of the present invention is to provide a process for producing an optically pure (-)-metatol bis-ligand derivative and/or a salt thereof.
- a further object of the present invention is to provide an excellent in vitro inhibitory activity of the above optically pure (-)-metatol bis-ligand derivative and/or a salt thereof for AChE and BChE, and a good inhibitory effect on AChE-induced ⁇ aggregation, And use for the treatment of degenerative diseases of the nervous system including dementia and dementia.
- the invention uses (-)-mepitrol as an active unit, and uses computer-aided molecular docking method to design and synthesize (-)-methotone bis-ligand derivative to make it active with two active sites of the enzyme (The catalytic center and the peripheral anion sites act simultaneously, and the structure-activity relationship between the length and activity of the di-ligand linkage is studied. Look for new and more active AChE inhibitors to further develop the treatment of degenerative diseases and dementia in the nervous system with high therapeutic index and low side effects.
- the (-)-metatol bis-ligand derivative of the present invention has a structural formula of (I.) -
- the pharmaceutically acceptable salt of the present invention may be an acid addition to a pharmaceutically acceptable acid.
- the salt may also be a base addition salt formed with a pharmaceutically acceptable base.
- the present invention synthesizes the above (-)-metatol bis-indenyl steroid and its salts by the following preparation method, and the synthesis route is as shown in (II):
- the inert solvent is selected from the group consisting of tetrahydrofuran (THF), chloroform, dichloromethane, benzene, toluene, hydrazine, hydrazine-dimethylformamide (DMF) or a mixture of the above solvents;
- the haloformate is selected from the group consisting of chloroformic acid Ethyl ester, vinyl chloroformate, phenyl chloroformate or trichloroethyl chloroformate;
- the base is selected from potassium hydrogencarbonate or sodium;
- the hydrolysis reaction can be carried out in an aqueous sulfuric acid solution or a hydrazine hydrate solution or an aqueous tetrahydrofuran solution.
- the inert solvent is preferably chloroform; the haloformate is preferably ethyl chloroformate; the base is preferably potassium hydrogencarbonate; and the hydrolysis reaction is preferably carried out under 50% aqueous sulfuric acid.
- the inert solvent is selected from the group consisting of tetrahydrofuran (THF), diethyl ether, chloroform, dichloromethane, benzene, toluene, hydrazine, hydrazine-dimethylformamide (DMF) or a mixture of the above solvents;
- the base is selected from the group consisting of pyridine, triethyl Amine, 4-dimethylaminopyridine (DMAP), diisopropylethylamine, potassium carbonate or sodium, potassium hydroxide or sodium, and the like.
- the diacid halide is selected from the group consisting of diacid chloride, diacid bromide and the like.
- the inert solvent is preferably dichloromethane; the base is preferably triethylamine; the diacid halide is preferably diacid chloride. 3.
- (-) - The preparation method of meptazol bis-derivative derivative (A is CH 2 , n is 2 ⁇ 12) is (-) demethylmethylmethazone in an inert solvent, the presence of a base Under the reaction with dihaloalkane.
- the inert solvent is selected from the group consisting of acetonitrile, tetrahydrofuran (THF), diethyl ether, chloroform, dichloromethane, benzene, toluene, hydrazine, hydrazine-dimethylformamide (DMF) or a mixture of the above solvents; Triethylamine, 4-dimethylaminopyridine (DMAP), diisopropylethylamine, potassium carbonate or sodium, potassium hydroxide or sodium, and the like.
- the dihaloalkane is selected from the group consisting of dichloroanthracene, dibromoindole, diiodophosphonium and the like.
- the inert solvent is preferably acetonitrile; the base is preferably triethylamine; and the diacid halide is preferably dibromoindole.
- the solvent is selected from the group consisting of tetrahydrofuran (THF), diethyl ether, 1,4-dioxane, etc., preferably tetrahydrofuran.
- the obtained (-)-metatol bis-ligand derivative (A is CH 2 , !1 is 2 to 12) is formed with a pharmaceutically acceptable inorganic or organic acid thereof, and the inorganic acid is hydrochloric acid. And one or more of hydrobromic acid, hydroiodic acid, sulfuric acid, phosphoric acid, and the organic acid is tartaric acid, acetic acid, maleic acid, fumaric acid, benzoic acid, succinic acid, lactic acid, One or more of citric acid, gluconic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, and the like.
- the salt obtained is an acid addition salt, which may be: hydrochloride, hydrobromide, hydroiodide, sulfate or hydrogen sulfate, phosphate or hydrogen phosphate, tartrate, acetate, Malay Acid salts, fumarates, benzoates, succinates, lactates, citrates, gluconates, methanesulfonates, besylates and p-toluenesulfonates.
- an acid addition salt which may be: hydrochloride, hydrobromide, hydroiodide, sulfate or hydrogen sulfate, phosphate or hydrogen phosphate, tartrate, acetate, Malay Acid salts, fumarates, benzoates, succinates, lactates, citrates, gluconates, methanesulfonates, besylates and p-toluenesulfonates.
- the resulting (-)-metatol bis-ligand derivative (A is CH 2 , n is 2 to 12) is a salt thereof with a pharmaceutically acceptable base thereof, the base comprising potassium, sodium, lithium, magnesium and One or more of the calcium ion bases.
- the salt obtained is a base addition salt such as a potassium salt, a sodium salt, a lithium salt, a magnesium salt, a calcium salt or the like.
- the meptazol was prepared in accordance with the method of Chinese Patent No. CN200410017499.
- Optically pure (-)-metraphenol is obtained according to the method provided in Chinese patent CN200610025390.3.
- the present invention tests the in vitro AChE and BChE inhibitory activities of (-)-metatol bis-ligand derivatives and salts thereof.
- acetylcholinesterase hydrolyzed by EUman colorimetric method The acid, choline reacts with sulfhydryl-based chromogenic reagent to form a yellow compound, and the number of choline is detected by colorimetric method.
- the experimental principle of acetylcholinesterase activity is reflected by the amount of choline in the hydrolysate.
- the kit instructions determine cholinesterase activity.
- the AChE enzyme source was prepared by using 10% homogenization of rat brain tissue (made with physiological saline), and the BChE enzyme source was rat serum.
- the reaction solution contains 200 L of enzyme solution (0.415 U/mL, 0.1 M sodium phosphate buffer, pH 8.0), 300 Ellman color developer 5,5'-dithiobis(2-nitrobenzoic acid) (DTNB). 3.3 mM (0.1 M sodium phosphate buffer, H 7.0, containing NaHC0 3 6 mM) and 30 L enzyme inhibitor solution. After incubating at 37 ° C for 20 minutes, add thioacetylcholine iodide (300 ⁇ M in 0.05 mM or thiobutyroyl iodide (0.5 mM) as substrate.
- enzyme solution 0.15 U/mL, 0.1 M sodium phosphate buffer, pH 8.0
- DTNB Ellman color developer 5,5'-dithiobis(2-nitrobenzoic acid)
- the optical density of the compound is measured at the wavelength, and the percentage of reduction calculated by comparison with the blank tube without the test compound is the enzyme inhibition rate.
- the enzyme inhibition rate is determined by selecting the compound at six to seven concentrations, and the molar concentration of the compound is determined. The negative logarithm and the enzyme inhibition rate were linearly regressed, and the molar concentration at 50% inhibition was the IC 5 o value of the compound.
- the Ming Ming increased by 1500 times and 150 times respectively.
- the AChE selectivity is increased by 7 times and 9 times, respectively, compared with (-)-metoprol and the control drug.
- ⁇ ⁇ 4 ⁇ peptide (Biosource) 2 was lyophilized in hexafluoroisopropanol (HFIP), dissolved in DMSO, and added with 0.215 M sodium phosphate buffer (pH 8.0) to prepare 230 ⁇ ⁇ test solution; ⁇ test solution 16-person recombinant AChE (Sigma-Aldrich) was added to prepare AChE- ⁇ test solution with AChE final concentration of 2.30 ⁇ ; 2 ⁇ was added to AChE- ⁇ test solution: test inhibitor was formulated into inhibitor-AChE- ⁇ test solution. The above test solution was incubated at room temperature for 48 h and the test was repeated twice. The formation of ⁇ deposition fibers was detected by Thioflavin T fluorescence.
- HFIP hexafluoroisopropanol
- Inhibition rate (:%) Inhibition rate (%) IC 5 o soil SEM compound linked chain atomic number
- AChE and BChE Their inhibitory activities against AChE and BChE were higher than those of (-)-MetPhenol hydrochloride, and the activity of 5 compounds was increased by about 1000 times, while the most active (-)-metatol dipontide Derivatives (A is CH 2 , n is 9)
- the inhibitory activities of hydrochloride on AChE and BChE are up to nanomolar (nM), which is 10,000 times higher than that of (-)-metatol hydrochloride and 1500, respectively. Times.
- the (-)-metatol bis-ligand derivative and/or its salt of the present invention is a novel AChE inhibitor having dual inhibition of AChE and ⁇ aggregation, and is expected to be developed to have a high therapeutic index.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Psychiatry (AREA)
- Hospice & Palliative Care (AREA)
- Pain & Pain Management (AREA)
- Psychology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/309,580 US8232270B2 (en) | 2006-07-27 | 2007-07-24 | Bivalent (−)-meptazinol compounds and/or their salts, and their preparation and futilization |
JP2009521094A JP5118696B2 (ja) | 2006-07-27 | 2007-07-24 | 二価(−)−メプタジノール化合物と/或いはその塩及び製造方法と用途 |
EP07785163.2A EP2048134B1 (en) | 2006-07-27 | 2007-07-24 | Meptazinol biligand derivatives and/or their salts, preparation method and uses thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200610029477.8 | 2006-07-27 | ||
CN2006100294778A CN101037430B (zh) | 2006-07-27 | 2006-07-27 | (-)-美普他酚双配基衍生物和/或其盐类及其制备方法和用途 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008019572A1 true WO2008019572A1 (en) | 2008-02-21 |
Family
ID=38888631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2007/002243 WO2008019572A1 (en) | 2006-07-27 | 2007-07-24 | Meptazinol biligand derivatives and/or their salts, preparation method and uses thereof |
Country Status (5)
Country | Link |
---|---|
US (1) | US8232270B2 (zh) |
EP (1) | EP2048134B1 (zh) |
JP (1) | JP5118696B2 (zh) |
CN (1) | CN101037430B (zh) |
WO (1) | WO2008019572A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102617471B (zh) * | 2011-01-31 | 2014-07-09 | 复旦大学 | 左旋美普他酚双分子衍生物和/或其盐及其制备方法和用途 |
CN102816151B (zh) * | 2011-06-09 | 2014-09-17 | 上海市计划生育科学研究所 | 左旋美普他酚衍生物、其制备方法和其制药用途 |
CN105622509B (zh) * | 2014-11-06 | 2017-12-29 | 复旦大学 | 左旋美普他酚茚酮衍生物和/或其盐类及其制备方法和用途 |
CN106316954B (zh) * | 2015-06-24 | 2018-11-20 | 上海市计划生育科学研究所 | 制备光学纯(+)-或(-)-n-去甲基美普他酚的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021550A (en) * | 1975-06-18 | 1977-05-03 | John Wyeth & Brother Limited | Hexahydroazepines as antiinflammatory agents |
CN1569839A (zh) * | 2004-05-14 | 2005-01-26 | 复旦大学 | 美普他酚前体药物和盐类及其制备方法 |
CN1974558A (zh) * | 2006-12-20 | 2007-06-06 | 复旦大学 | (+)-美普他酚双配基衍生物或/和其盐类及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4242346A (en) * | 1979-12-19 | 1980-12-30 | Smithkline Corporation | Bis-2N-alkylene tetrahydroisoquinoline compounds |
US20030119060A1 (en) * | 2001-08-10 | 2003-06-26 | Desrosiers Peter J. | Apparatuses and methods for creating and testing pre-formulations and systems for same |
CN1271057C (zh) | 2004-04-07 | 2006-08-23 | 复旦大学 | 一种制备1-甲基-3-乙基-3-(3-羟基苯基)-六氢-1h-氮杂䓬盐酸盐的方法 |
CN1984910A (zh) * | 2004-07-16 | 2007-06-20 | 詹森药业有限公司 | 适用于神经变性疾病治疗的哌啶、哌嗪或者吗啉或它们的7元类似物的二聚化合物 |
CN1850804B (zh) | 2006-03-31 | 2011-02-16 | 复旦大学 | 光学纯美普他酚或其盐类及其制备方法 |
-
2006
- 2006-07-27 CN CN2006100294778A patent/CN101037430B/zh not_active Expired - Fee Related
-
2007
- 2007-07-24 US US12/309,580 patent/US8232270B2/en not_active Expired - Fee Related
- 2007-07-24 WO PCT/CN2007/002243 patent/WO2008019572A1/zh active Application Filing
- 2007-07-24 JP JP2009521094A patent/JP5118696B2/ja not_active Expired - Fee Related
- 2007-07-24 EP EP07785163.2A patent/EP2048134B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021550A (en) * | 1975-06-18 | 1977-05-03 | John Wyeth & Brother Limited | Hexahydroazepines as antiinflammatory agents |
CN1569839A (zh) * | 2004-05-14 | 2005-01-26 | 复旦大学 | 美普他酚前体药物和盐类及其制备方法 |
CN1974558A (zh) * | 2006-12-20 | 2007-06-06 | 复旦大学 | (+)-美普他酚双配基衍生物或/和其盐类及其制备方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2048134A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2048134A4 (en) | 2010-11-17 |
EP2048134A1 (en) | 2009-04-15 |
US8232270B2 (en) | 2012-07-31 |
CN101037430A (zh) | 2007-09-19 |
JP2009544633A (ja) | 2009-12-17 |
JP5118696B2 (ja) | 2013-01-16 |
EP2048134B1 (en) | 2015-09-23 |
US20100035861A1 (en) | 2010-02-11 |
CN101037430B (zh) | 2012-08-01 |
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