WO2022184177A1 - 一种芳香化合物、其制备方法及其应用 - Google Patents
一种芳香化合物、其制备方法及其应用 Download PDFInfo
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- WO2022184177A1 WO2022184177A1 PCT/CN2022/079388 CN2022079388W WO2022184177A1 WO 2022184177 A1 WO2022184177 A1 WO 2022184177A1 CN 2022079388 W CN2022079388 W CN 2022079388W WO 2022184177 A1 WO2022184177 A1 WO 2022184177A1
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- alkenyl
- substituted
- alkyl
- butyl
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- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/53—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/62—Compounds containing any of the groups, X being a hetero atom, Y being any atom, e.g. N-acylcarbamates
- C07C271/64—Y being a hydrogen or a carbon atom, e.g. benzoylcarbamates
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
- C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D237/14—Oxygen atoms
- C07D237/16—Two oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
- C07D253/065—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members
- C07D253/07—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members with hetero atoms, or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D253/075—Two hetero atoms, in positions 3 and 5
Definitions
- the invention belongs to the technical field of chemical medicine, and particularly relates to an aromatic compound, a preparation method and application thereof.
- the thyroid is a butterfly-shaped organ located at the base of the neck.
- the thyroid releases hormones that control the body's basal metabolism, thyroid hormones, and thus control how our bodies use energy.
- Thyroid hormones regulate important bodily functions including: breathing, heart rate, central and peripheral nervous system, weight, muscle strength, menstrual cycle, body temperature, cholesterol levels, and more.
- Thyroid hormone receptor (THR) receptors belong to a superfamily of nuclear receptors whose expression can be induced by the thyroid hormone T3.
- the main subtypes of thyroid hormone receptors, THR ⁇ -1, THR ⁇ -1 and THR ⁇ -2, are mainly responsible for mediating thyroid hormone action and are essential for human growth, development and metabolism.
- THR ⁇ -1 is widely expressed in all tissues but is more prominent in the brain, thyroid, liver and kidney, while THR ⁇ -2 is mainly expressed in the anterior pituitary gland, hypothalamus, retina, developing brain and inner ear. specific expression.
- thyroid hormones affect nearly every organ system. Clinically, these effects manifest as alterations in lipid metabolism and effects on cardiovascular development. Thyroid hormones have beneficial effects such as lowering cholesterol, improving blood lipid profiles, and treating obesity. Thyroid hormone analogs can improve lipid profiles by reducing low-density lipoprotein (LDL)-cholesterol, increasing high-density lipoprotein (HDL) cholesterol reuptake, stimulating reverse cholesterol transport, and reducing plasma triglycerides.
- LDL low-density lipoprotein
- HDL high-density lipoprotein
- THR ⁇ -1 is the predominant thyroid hormone receptor isoform in the liver, if the normal activity of THR ⁇ -1 is inhibited by its mutants, it can be speculated that it causes metabolic abnormalities.
- thyroid hormones also regulate apolipoprotein B.
- Apolipoprotein B is the major protein component of very low density lipoprotein (VLDL).
- NASH nonalcoholic steatohepatitis
- advanced fibrosis compared with patients with fully euthyroid
- NASH nonalcoholic steatohepatitis
- NASH nonalcoholic steatohepatitis
- advanced fibrosis 21.0% vs 10.6%
- P ⁇ 0.01 patients with subclinical hypothyroidism had significantly more patients with NASH and advanced fibrosis compared with patients with low thyroid function (NASH, 57.6% vs 48.8%; advanced fibrosis, 25.4% vs 17.9%; P ⁇ 0.01) .
- Serum TSH levels in NASH patients were significantly higher than those in normal groups.
- thyroid function tests confirmed the presence of several thyroid dysfunction in patients with chronic liver disease.
- hypothyroidism was not associated with NASH and was associated with other known metabolic risk factors, ie, hypothyroidism was an independent risk factor for NASH.
- the treatment strategy should include at least three aspects: That is, reducing or eliminating hepatic fat deposition; controlling and suppressing persistent hepatic inflammation/reducing hepatocyte death; preventing fibrosis progression or degrading already formed fibers/extracellular matrix to reverse the fibrotic process.
- NAFLD/NASH is fundamentally a metabolic syndrome, closely related to fat metabolism disorders, insulin resistance/type 2 diabetes, etc. At the same time, these metabolic disturbances and fat deposition lead to inflammation; inflammation leads to liver cell death/apoptosis; and liver cell death/apoptosis naturally develops leading to fibrosis/cirrhosis.
- the vast majority of drugs currently in phase III clinical trials reduce or eliminate fatty deposition/degeneration, control and suppress persistent inflammation/reduce liver cell death as pharmacological mechanisms.
- MGL-3196 is a once-daily oral, liver-specific thyroid hormone receptor subtype (THR- ⁇ ) selective agonist.
- Viking Therapeutics has also developed an oral small molecule agonist VK2809 (or MB07811) with selectivity for the thyroid hormone receptor beta subtype (THR-beta).
- VK2809 or MB07811
- TRR-beta thyroid hormone receptor beta subtype
- the drug is currently undergoing Phase II clinical studies in patients with primary hypercholesterolemia and nonalcoholic fatty liver disease. The results showed that LDL-C levels were significantly reduced by 20% or more in patients treated with VK2809. Treatment for 12 weeks significantly reduced LDL-C levels and improved liver fat content in NAFLD patients.
- thyroid hormone receptor beta subtype TRR-beta
- the reported THR- ⁇ agonists still have limitations, the most important thing is to improve the agonistic activity and subtype selectivity of the compounds, especially the selectivity for the THR- ⁇ subtype.
- the compounds currently under development still have insufficient agonistic activity and selectivity. Only by breaking through the above bottlenecks can such compounds be expected to become breakthrough new therapies for the treatment of NASH and related liver diseases.
- the technical problem to be solved by the present invention is that the structure of the existing thyroid hormone receptor THR- ⁇ selective agonist is relatively single defect, for this reason, the present invention provides a kind of aromatic compound, its preparation method and its application.
- the agonist activity of this type of agonist on THR- ⁇ is significantly stronger than that of MGL-3196, a drug currently under clinical research, and the selection of THR- ⁇ subtypes is also significantly higher than that of MGL-3196.
- some compounds showed good safety, tolerability, and reduced liver fat and liver protection in mice.
- the present invention provides a kind of compound as shown in formula I or its pharmaceutically acceptable salt, and its structure is as follows:
- A is O or CH 2 ;
- X and Y are independently chlorine, bromine, iodine, "I isotopes 124 I or 131 I" or C 1 -C 6 alkyl;
- R 1 is hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, "one or more fluorine substituted C 1 -C 6 alkyl", “one or more fluorine substituted C 2 -C 6 alkenyl", “one or more deuterium substituted C 1 -C 6 alkyl” or “one or more deuterium substituted C 2 -C 6 alkenyl";
- R 2 is C 2 -C 6 alkenyl, "one or more fluorine substituted C 1 -C 6 alkyl", “one or more fluorine substituted C 2 -C 6 alkenyl", “one or more fluorine substituted C 2 -C 6 alkenyl” deuterium substituted C 1 -C 6 alkyl” or "one or more deuterium substituted C 2 -C 6 alkenyl".
- A is O or CH 2 ;
- X and Y are independently chlorine, bromine, iodine or C 1 -C 6 alkyl
- M is R 1 is hydrogen, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, "one or more fluorine substituted C 1 -C 6 alkyl", “one or more fluorine substituted C 2 -C 6 alkenyl", “one or more deuterium substituted C 1 -C 6 alkyl” or “one or more deuterium substituted C 2 -C 6 alkenyl";
- M is R 2 is "one or more fluorine-substituted C 1 -C 6 alkyl".
- A is O; X and Y are independently chlorine, bromine or iodine; M is R 1 is C 2 -C 6 alkenyl or "one or more fluorine-substituted C 1 -C 6 alkyl".
- X and Y are independently chlorine, bromine, iodine or CH3 .
- R 1 is C 2 -C 6 alkenyl or "one or more fluoro-substituted C 1 -C 6 alkyl".
- R 2 is "one or more fluoro-substituted C 1 -C 6 alkyl".
- R 1 is C 2 -C 6 alkenyl
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example Also for example
- the C 1 -C 6 alkyl group is a C 1 -C 4 alkyl group; for example, methyl, ethyl, n-propyl, isopropyl propyl, n-butyl, isobutyl, sec-butyl or tert-butyl; preferably isopropyl.
- R 1 is "one or more fluorine-substituted C 1 -C 6 alkyl groups"
- the C 1 -C 6 alkyl groups are C 1 -C 4 alkyl groups; for example, methyl , ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl; the "one or more” is 1 or 3, preferably
- R 1 is "one or more deuterium-substituted C 1 -C 6 alkyl groups"
- the C 1 -C 6 alkyl groups are C 1 -C 4 alkyl groups; for example, methyl , ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl; the "one or more” is 1 or 3, preferably
- R 1 is "one or more fluorine-substituted C 2 -C 6 alkenyl"
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example
- the "one or more” is one or three.
- R 1 is "one or more deuterium-substituted C 2 -C 6 alkenyl"
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example
- the "one or more” is one or three.
- R 2 is C 2 -C 6 alkenyl
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example Also for example
- R 2 is "one or more fluorine-substituted C 1 -C 6 alkyl"
- the C 1 -C 6 alkyl is C 1 -C 4 alkyl; for example, methyl , ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl; the "one or more” is 1 or 3, preferably
- R 2 is "one or more deuterium-substituted C 1 -C 6 alkyl"
- the C 1 -C 6 alkyl is C 1 -C 4 alkyl; for example, methyl , ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl);
- the "one or more” is 1 or 3, preferably
- R 2 is "one or more fluorine-substituted C 2 -C 6 alkenyl"
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example
- the "one or more” is one or three.
- R 2 is "one or more deuterium-substituted C 2 -C 6 alkenyl"
- the C 2 -C 6 alkenyl is C 2 -C 4 alkenyl; for example
- the "one or more” is one or three.
- the C 1 -C 6 alkyl group is a C 1 -C 4 alkyl group; for example, methyl, ethyl, n-propyl, isopropyl methyl, n-butyl, isobutyl, sec-butyl or tert-butyl; preferably methyl.
- the C 1 -C 6 alkyl group is a C 1 -C 4 alkyl group; for example, methyl, ethyl, n-propyl, isopropyl methyl, n-butyl, isobutyl, sec-butyl or tert-butyl; preferably methyl.
- R 1 is
- the compound shown in the formula I is any of the following compounds:
- the described compound shown in formula I or a pharmaceutically acceptable salt thereof can be synthesized by a method similar to a known method in the chemical field, and its steps and conditions can refer to the steps and conditions of similar reactions in this area, In particular, the synthesis was carried out according to the description herein.
- Starting materials are generally obtained from commercial sources, or can be readily prepared using methods well known to those skilled in the art (obtained via SciFinder, Reaxys online database).
- the present invention also provides a method for preparing a compound represented by formula I, which comprises the following steps: in a solvent, in the presence of a base, the compound represented by formula II-a is subjected to the following ring-closing reaction to obtain The compound represented by formula I is enough; wherein, the definitions of M, X, Y and A are as described above, and R 6 is C 1 -C 6 alkyl;
- the C 1 -C 6 alkyl group is a C 1 -C 4 alkyl group; for example, methyl, ethyl, n-propyl, isopropyl Propyl, n-butyl, tert-butyl, isobutyl, sec-butyl or tert-butyl; eg ethyl.
- the present invention also provides a compound shown in formula II-a,
- the compound shown in the formula II-a is any of the following compounds:
- the present invention also provides a method for preparing a compound represented by formula II-a, which comprises the following steps: in a solvent, in the presence of an acid, diazotizing the compound represented by formula II-b with sodium nitrite is carried out. chemical reaction, and then react with cyanoacetylcarbamic acid to carry out the reaction shown in the following formula to obtain a compound shown in formula II-a; wherein, the definitions of M, A , X, Y, and R are as described above;
- the present invention provides a pharmaceutical composition
- a pharmaceutical composition comprising substance A and one or more pharmaceutically acceptable carriers; the substance A is the aforementioned compound represented by formula I or pharmaceutically acceptable of salt.
- the amount of the compound represented by formula I or a pharmaceutically acceptable salt thereof may be a therapeutically effective amount.
- the pharmaceutically acceptable carriers can be those excipients widely used in the field of pharmaceutical production. Excipients are mainly used to provide a safe, stable and functional pharmaceutical composition, and can also provide a method to enable the subject to dissolve the active ingredient at a desired rate after administration, or to promote the activity of the subject after the composition is administered. The ingredients are effectively absorbed.
- the pharmaceutical excipients can be inert fillers, or provide some function, such as stabilizing the overall pH of the composition or preventing degradation of the active ingredients of the composition.
- Described pharmaceutical adjuvants may include one or more of the following adjuvants: binders, suspending agents, emulsifiers, diluents, fillers, granulating agents, adhesives, disintegrating agents, lubricants, anti-sticking agents Agents, glidants, wetting agents, gelling agents, absorption delaying agents, dissolution inhibitors, enhancers, adsorbents, buffers, chelating agents, preservatives, colorants, flavors and sweeteners.
- adjuvants may include one or more of the following adjuvants: binders, suspending agents, emulsifiers, diluents, fillers, granulating agents, adhesives, disintegrating agents, lubricants, anti-sticking agents Agents, glidants, wetting agents, gelling agents, absorption delaying agents, dissolution inhibitors, enhancers, adsorbents, buffers, chelating agents, preservatives, colorants, flavors and sweeten
- compositions of the present invention can be prepared in light of the disclosure using any method known to those skilled in the art. For example, conventional mixing, dissolving, granulating, emulsifying, attenuating, encapsulating, entrapping or lyophilizing processes.
- the present invention also provides the use of a substance B in the preparation of a THR- ⁇ agonist, wherein the substance B is the above-mentioned compound represented by formula I or a pharmaceutically acceptable salt thereof, or the above-mentioned pharmaceutical composition.
- the agonist of THR- ⁇ can be used in mammalian organisms; it can also be used in vitro, mainly for experimental purposes, for example: as a standard sample or a control sample to provide comparison, or according to the art
- a kit is prepared by conventional methods to provide rapid detection of the agonistic effect of THR- ⁇ .
- the present invention also provides the use of a substance B in the preparation of a medicament for the treatment and/or prevention of diseases related to THR- ⁇ , wherein the substance B is the above-mentioned compound represented by formula I or its pharmacy an acceptable salt of the above, or a pharmaceutical composition as described above.
- the disease is one or more of non-alcoholic fatty liver disease, obesity, liver fibrosis, type 2 diabetes and primary hypercholesterolemia.
- pharmaceutically acceptable means that salts, solvents, excipients, etc. are generally non-toxic, safe, and suitable for patient use.
- patient is preferably a mammal, more preferably a human.
- pharmaceutically acceptable salts refers to salts of compounds of the present invention prepared with relatively non-toxic, pharmaceutically acceptable acids or bases.
- base addition salts can be obtained by contacting the prototype of such compounds with a sufficient amount of a pharmaceutically acceptable base in a suitable inert solvent.
- Pharmaceutically acceptable base addition salts include, but are not limited to, lithium, sodium, potassium, calcium, aluminum, magnesium, zinc, bismuth, ammonium, diethanolamine.
- acid addition salts can be obtained by contacting the prototype of such compounds with a sufficient amount of a pharmaceutically acceptable acid in a suitable inert solvent.
- the pharmaceutically acceptable acids include inorganic acids, including but not limited to: hydrochloric acid, hydrobromic acid, hydroiodic acid, nitric acid, carbonic acid, phosphoric acid, phosphorous acid, sulfuric acid, and the like.
- Described pharmaceutically acceptable acid includes organic acid, described organic acid includes but is not limited to: acetic acid, propionic acid, oxalic acid, isobutyric acid, maleic acid, malonic acid, benzoic acid, succinic acid, suberic acid , fumaric acid, lactic acid, mandelic acid, phthalic acid, benzenesulfonic acid, p-toluenesulfonic acid, citric acid, salicylic acid, tartaric acid, methanesulfonic acid, isonicotinic acid, acid citric acid, oleic acid , tannic acid, pantothenic acid, hydrogen tartrate, ascorbic acid, gentisic acid, fumaric acid, gluc
- variable eg R 1
- the definition that appears at each position of the variable is independent of the definitions that appear at other positions, and their meanings are independent of each other and do not affect each other. Therefore, if a group is substituted with 1, 2 or 3 R 1 groups, that is, the group may be substituted with up to 3 R 1 groups, the definition of this position R 1 is the same as that of the remaining R 1 groups. Definitions are independent of each other. Additionally, combinations of substituents and/or variables are permissible only if such combinations result in stable compounds.
- C1 - C6 alkyl refers to an alkyl group as defined below having a total of 1, 2, 3, 4, 5 or 6 carbon atoms.
- the total number of carbon atoms in the simplified notation does not include carbons that may be present in the substituents of the group.
- treatment refers to therapeutic therapy.
- treatment refers to: (1) ameliorating one or more biological manifestations of the disease or disorder, (2) interfering with (a) one or more points in the biological cascade leading to or causing the disorder or (b) ) one or more biological manifestations of the disorder, (3) amelioration of one or more symptoms, effects or side effects associated with the disorder, or one or more symptoms, effects or side effects associated with the disorder or its treatment, or (4) slowing the progression of the disorder or one or more biological manifestations of the disorder.
- terapéuticaally effective amount refers to an amount of a compound that, when administered to a patient, is sufficient to effectively treat the disease or disorder described herein.
- a “therapeutically effective amount” will vary depending on the compound, the condition and its severity, and the age of the patient to be treated, and can be adjusted as needed by those skilled in the art.
- the reagents and raw materials used in the present invention are all commercially available.
- the invention provides a thyroid hormone receptor agonist, a preparation method and application thereof.
- the agonist activity of this type of agonist on THR- ⁇ is significantly stronger than that of MGL-3196, a drug currently under clinical research, and the selection of THR- ⁇ subtypes is also significantly higher than that of MGL-3196. It has shown good safety, tolerability and reduction of liver fat in mice in animal experiments in NASH disease models, as well as potential efficacy in the treatment of NASH.
- Fig. 1 is the animal body weight change curve of the 42-day administration of Effect Example 3;
- Fig. 2 is effect embodiment 3 total cholesterol (TCHO) level
- Fig. 3 is the low density lipoprotein (LDL) level of Effect Example 3;
- Fig. 4 is the hepatocyte ballooning score of Effect Example 3.
- Fig. 5 is the liver inflammation score of Effect Example 3.
- FIG. 6 is the liver fibrosis (Ishak) score of Effect Example 3.
- FIG. 6 is the liver fibrosis (Ishak) score of Effect Example 3.
- FIG. 7 is the liver NAS score of effect example 3.
- Fig. 8 is the change curve of animal body weight for 3 days after administration of Effect Example 4.
- the mixture was extracted with ethyl acetate (30 mL ⁇ 3), and the organic phases were combined.
- the organic phase was washed with saturated aqueous sodium chloride solution (10 mL), then dried over anhydrous sodium sulfate and filtered.
- the filtrate was concentrated to dryness under reduced pressure to obtain crude 4-(2,6-dichloro-4-nitrophenoxy)-2-(isopropenyl)phenol.
- Step 4 (2-cyano-2-(2-(3,5-dichloro-4-(4-hydroxy-3-isopropenylphenoxy)phenyl)hydrazono)acetyl)carbamic acid ethyl ester
- Step 5 2-(3,5-Dichloro-4-(4-hydroxy-3-(isopropenyl)phenoxy)phenyl)-3,5-dioxo-2,3,4,5 -Tetrahydro-1,2,4-triazine-6-carbonitrile
- Step 3 N-(3,5-Dichloro-4-((5-(2-fluoropropan-2-yl)-6-oxo-1,6-dihydropyridazin-3-yl)oxy )phenyl)acetamide
- N-(3,5-Dichloro-4-((5-(2-fluoropropan-2-yl)-6-oxo-1,6-dihydropyridazin-3-yl)oxy)benzene yl)acetamide (1.0 g, 2.7 mmol) and 6N hydrochloric acid (24 mL) were added to ethanol (20 mL), heated to 70°C; stirred at 70°C for 2.5 h.
- Step 5 (2-cyano-2-(2-(3,5-dichloro-4-((5-(2-fluoropropyl-2-yl)-6-oxo-1,6-dihydro) Pyridazin-3-yl)oxy)phenyl)hydrazono)acetyl)urethane
- 6-(4-Amino-2,6-dichlorophenoxy)-4-(2-fluoropropan-2-yl)pyridazin-3(2H)-one 500 mg, 1.51 mmol was added to 4N hydrochloric acid
- aqueous solution 22.5 mL
- 0.26N aqueous sodium nitrite solution 7.5 mL was added dropwise, after the dropwise addition was completed, stirring was continued for 2 h; after the reaction was completed, the solution was filtered.
- the filtrate was added dropwise to a mixed solution of ethyl cyanoacetylcarbamate (236 mg, 1.51 mmol), pyridine (9.2 mL), and water (30 mL); at 0 °C, stirred for 1.5 h; after the reaction was completed , filtered, and the filter cake was rinsed with water (10 mL) and petroleum ether (10 mL) respectively; the filter cake was dried under reduced pressure to give (2-cyano-2-(2-(3,5-dichloro-4-((5).
- Step 6 2-(3,5-Dichloro-4-((5-(2-fluoropropan-2-yl)-6-oxo-1,6-dihydropyridazin-3-yl)oxy) Phenyl-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carbonitrile
- Step 4 2-(3,5-Diiodo-4-(4-hydroxy-3-(isopropenyl)phenoxy)phenyl)-3,5-dioxo-2,3,4,5- Tetrahydro-1,2,4-triazine-6-carbonitrile
- Step 3 (2-cyano-2-(2-(3,5-dichloro-4-(4-hydroxy-3-trifluoromethylphenoxy)phenyl)hydrazono)acetyl)carbamic acid ethyl ester
- Step 3 (2-cyano-2-(2-(3,5-dichloro-4-(4-hydroxy-3-deuterated methylphenoxy)phenyl)hydrazono)acetyl)carbamic acid ethyl ester
- Step 3 (2-cyano-2-(2-(3,5-dimethyl-4-(4-hydroxy-3-isopropenylphenoxy)phenyl)hydrazono)acetyl)carbamic acid ethyl ester
- Step 4 2-(3,5-Dibromo-4-(4-hydroxy-3-(isopropenyl)phenoxy)phenyl)-3,5-dioxo-2,3,4,5- Tetrahydro-1,2,4-triazine-6-carbonitrile
- reaction solution was poured into saturated aqueous ammonium chloride solution (300 mL), and extracted with ethyl acetate (150 mL*2); the organic phases were combined, and the organic phase was washed with saturated aqueous sodium chloride solution (200 mL), and anhydrous sulfuric acid dried over magnesium; filtered, the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 10-95% (%B)) to obtain 2.84 g of product , the yield is 65%.
- reaction solution was poured into saturated aqueous sodium bicarbonate solution and extracted with dichloromethane (300 mL*2); the organic phases were combined, washed with saturated aqueous sodium chloride solution (250 mL), and dried over anhydrous magnesium sulfate; filtered , the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 5-85% (%B)) to obtain 1.58 g of product with a yield of 60 %.
- reaction solution was poured into saturated aqueous ammonium chloride solution (300 mL), extracted with ethyl acetate (150 mL*2); the organic phases were combined, the organic phase was washed with saturated aqueous sodium chloride solution (200 mL), and anhydrous sulfuric acid dried over magnesium; filtered, and the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 10-95% (%B)) to obtain 2.55 g of product , the yield is 68%.
- reaction solution was poured into saturated aqueous sodium bicarbonate solution, extracted with dichloromethane (300 mL*2); the organic phases were combined, washed with saturated aqueous sodium chloride solution (250 mL), and dried over anhydrous magnesium sulfate; filtered , the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 5-85% (%B)) to obtain 1.45 g of product with a yield of 65 %.
- Step 3 (2-cyano-2-(2-(3,5-dichloro-4-(4-hydroxy-3-allylphenoxy)phenyl)hydrazono)acetyl)carbamic acid ethyl ester
- Step 4 2-(3,5-Dichloro-4-(4-hydroxy-3-(allyl)phenoxy)phenyl)-3,5-dioxo-2,3,4,5 -Tetrahydro-1,2,4-triazine-6-carbonitrile
- the reaction solution was poured into saturated aqueous ammonium chloride solution (300 mL), and extracted with ethyl acetate (150 mL*2); the organic phases were combined, and the organic phases were washed with saturated aqueous sodium chloride solution (200 mL), and anhydrous sulfuric acid dried over magnesium; filtered, and the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 10-95% (%B)) to obtain 2.84 g of product , the yield is 65%.
- reaction solution was poured into saturated aqueous sodium bicarbonate solution and extracted with dichloromethane (300 mL*2); the organic phases were combined, washed with saturated aqueous sodium chloride solution (250 mL), and dried over anhydrous magnesium sulfate; filtered , the filtrate was concentrated to dryness under reduced pressure; the concentrate was purified by reverse-phase preparative liquid phase (mobile phase A: water, mobile phase B: acetonitrile, gradient: 5-85% (%B)) to obtain 1.58 g of product with a yield of 60 %. MS(ESI) m/z: 298.2 [M+H] + .
- TR-LBD thyroid hormone ligand binding domain
- Excitation wavelength 340nm filter (30nm bandwidth)
- Emission wavelength 520nm filter (25nm bandwidth)
- Emission wavelength 490nm or 495nm filter (10nm bandwidth) Lag time 100 ⁇ s Integration time 200 ⁇ s
- Test compounds Thyroxine T3 (positive control), MGL3196 (positive compound), compounds of the examples of the present invention.
- Test compounds Thyroxine T3 (positive control), MGL3196 (positive control), compounds of test examples.
- C57BL/6J male mice were continuously fed with CDAA-HFD diet (choline-deficient L-amino acid high-fat diet) since 6 weeks of age, and the model was successfully established after 6 weeks (42 days).
- CDAA-HFD diet choline-deficient L-amino acid high-fat diet
- hepatic triglyceride secretion is impaired by VLDL (very low-density lipoprotein), and the mice have elevated serum ALT and AST, steatosis and inflammation within 3 weeks, and liver fibrosis occurs at 5-6 weeks.
- the model developed cirrhosis, portal hypertension, and liver failure within 24 weeks.
- CDAA-HFD diet can induce hepatic steatosis and fibrosis in the short term without the features of metabolic syndrome such as obesity, hyperglycemia and hypertriglyceridemia, which is of great reference significance for NASH disease research projects .
- the CDAA-HFD model was used to simulate the pathological process and physiological state of NASH, and the therapeutic effect of the compound on early and mid-stage NASH was tested.
- Grouping and dosing schedule groups number of animals Dose (mg/kg, mpk) way of administration Normal control group (regular feed) 12 PBS p.o.q.d,42days Model group (CDAA-HFD) 16 PBS p.o.q.d,42days fenofibrate group 12 100 p.o.q.d,42days MGL-3196 group 6 3.0 p.o.q.d,42days Compound 1 6 3.0 p.o.q.d,42days
- Grouping was carried out from the 42nd day of successful modeling, and then 42 days of dosing was carried out according to the dosing schedule.
- Drug preparation each administration group weighed an appropriate amount of sample powder, placed it in a 5mL centrifuge tube, added an appropriate amount of 0.5% MC, vortexed and mixed well, and prepared a solution of corresponding concentration, which is ready to use.
- the state of the animal was observed and recorded during each administration; if the animal died, the animal was grossly dissected, and the internal organs were observed with the naked eye for abnormality and recorded.
- the body weight of the animals was measured twice a week.
- the body weight curve of the animals for 42 days of administration is shown in Figure 1 .
- mice After weighing all mice at the corresponding time points, they were euthanized with elevated concentrations of carbon dioxide. Blood was collected by cardiac puncture, and the plasma was collected after centrifugation at 7000 rpm for 10 min, which was immediately placed on dry ice and stored at -80°C.
- blood biochemical indicators were detected, including TCHO (total cholesterol), LDL (low density lipoprotein), etc.
- liver was taken, the weight was measured, and a part of the liver (same position for each animal) was cut and fixed in 4% paraformaldehyde for histopathological analysis (H-E staining and Sirius red staining): the degree of liver fat and inflammatory cell infiltration, Fibrosis and NAS score (NAS scoring system refers to Chinese Medical Association "Guidelines for the diagnosis and treatment of nonalcoholic fatty liver disease” (2010 revision), Ishak scoring system refers to Journal of Hepatology 47 (2007) 598–607, Grading and staging systems for inflammation and fibrosis in chronic liver diseases.)).
- TCHO total cholesterol
- LDL low density lipoprotein
- Hepatocyte ballooning can indicate the severity of hepatic fat accumulation. As shown in Figure 4, Compound 1 can significantly reduce the hepatocyte ballooning variation value. Another major indicator of NASH is the degree of hepatic inflammatory cell infiltration. As shown in Fig. 5, compound 1 showed a good effect of inhibiting and reversing liver inflammation, suggesting that compound 1 has the potential to treat NASH.
- liver fibrosis score is shown in Figure 6, and the NAS score is shown in Figure 7.
- Compound 1 significantly improved the liver NAS score and the degree of fibrosis.
- the lipid-lowering effect of compound 2 was tested by the same method as above. Compared with the normal diet group, the model group and the fenofibrate group, compound 2 significantly decreased, confirming that compound 2, as a THR-beta inhibitor, can effectively reduce liver fat. The same method as above was used to test the hepatocyte ballooning and inflammation scores of compound 2, and compound 2 also showed a good effect of inhibiting and reversing liver inflammation.
- mice tolerated compound 1 well, and no obvious abnormality was found in body weight and clinical symptoms during the experiment. No abnormality was found in the results of hematology and blood biochemistry. Maximum tolerated dose (MTD) > 300 mg/kg. The experimental results suggest that compound 1 has good safety.
- CHO-hERG cells were cultured in a 175cm2 culture flask. When the cell density reached 60-80%, the culture medium was removed, washed with 7mL of PBS (Phosphate Buffered Saline phosphate buffered saline), and then digested with 3mL of Detachin. After the digestion is complete, add 7 mL of culture medium to neutralize, then centrifuge, remove the supernatant, and add 5 mL of culture medium to resuspend to ensure that the cell density is 2-5 ⁇ 106/mL.
- PBS Phosphate Buffered Saline phosphate buffered saline
- Single-cell high-impedance sealing and whole-cell pattern formation are all done automatically by the Qpatch instrument. After acquiring the whole-cell recording pattern, the cells are clamped at -80 mV, before a 5-second +40 mV depolarizing stimulus is given. , given a pre-voltage of -50 mV for 50 ms, then repolarized to -50 mV for 5 seconds, and then returned to -80 mV. This voltage stimulation was applied every 15 seconds, and the extracellular fluid was recorded for 5 minutes after 2 minutes of recording, and then the administration process was started.
- the highest tested concentration of compound 1 was 40.00 ⁇ M, with a total of 6 concentrations, which were 40.00, 13.33, 4.44, 1.48, 0.49, and 0.16 ⁇ M, respectively.
- the DMSO content in the final test concentration did not exceed 0.2%, and this concentration of DMSO had no effect on the hERG potassium channel.
- Compound concentrations were started from the lowest test concentration, each test concentration was administered for 2.5 minutes, and after all concentrations were administered consecutively, the positive control compound Cisapride was administered. At least 3 cells were tested for each concentration (n ⁇ 3).
- the experimental data were analyzed by GraphPad Prism 5.0 software.
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Abstract
Description
激发波长 | 340nm滤光片(30nm带宽) |
发射波长 | 520nm滤光片(25nm带宽) |
发射波长 | 490nm或495nm滤光片(10nm带宽) |
滞后时间 | 100μs |
积分时间 | 200μs |
1.分组及给药方案:组别 | 动物数 | 剂量(mg/kg,mpk) | 给药方式 |
正常对照组(常规饲料) | 12 | PBS | p.o.q.d,42days |
模型组(CDAA-HFD) | 16 | PBS | p.o.q.d,42days |
非诺贝特组 | 12 | 100 | p.o.q.d,42days |
MGL-3196组 | 6 | 3.0 | p.o.q.d,42days |
化合物1组 | 6 | 3.0 | p.o.q.d,42days |
化合物 | 最大测试浓度(μM) | 最大浓度抑制率(%) | IC50(μM) |
Cisapride | 3 | 98.9 | 0.023 |
化合物1 | 13.3 | 20.7 | >13.3 |
Claims (10)
- 一种如式I所示化合物或其药学上可接受的盐,其特征在于,其结构如下所示:其中,A为O或CH 2;X和Y独立地为氯、溴、碘、“I的同位素 124I或 131I”或C 1~C 6烷基;R 1为氢、C 1~C 6烷基、C 2~C 6烯基、“一个或多个氟取代的C 1~C 6烷基”、“一个或多个氟取代的C 2~C 6烯基”、“一个或多个氘取代的C 1~C 6烷基”或“一个或多个氘取代的C 2~C 6烯基”;R 2为C 2~C 6烯基、“一个或多个氟取代的C 1~C 6烷基”、“一个或多个氟取代的C 2~C 6烯基”、“一个或多个氘取代的C 1~C 6烷基”或“一个或多个氘取代的C 2~C 6烯基”。
- 如权利要求1所述的如式I所示化合物或其药学上可接受的盐,其特征在于,X和Y独立地为氯、溴、碘或CH 3;和/或,R 1为C 2~C 6烯基或”一个或多个氟取代的C 1~C 6烷基”;和/或,R 2为“一个或多个氟取代的C 1~C 6烷基”。
- 和/或,当R 1为C 1~C 6烷基时,所述的C 1~C 6烷基为甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选为异丙基;和/或,当X为C 1~C 6烷基时,所述的C 1~C 6烷基为甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;优选为甲基;和/或,当Y为C 1~C 6烷基时,所述的C 1~C 6烷基为甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;优选为甲基。
- 如权利要求1-3中任一项所述的如式I所示化合物或其药学上可接受的盐,其特征在于,其定义如下任一方案所述:方案1其中,A为O或CH 2;X和Y独立地为氯、溴、碘或C 1~C 6烷基;M为 R 1为氢、C 1~C 6烷基、C 2~C 6烯基、“一个或多个氟取代的C 1~C 6烷基”、“一个或多个氟取代的C 2~C 6烯基”、“一个或多个氘取代的C 1~C 6烷基”或“一个或多个氘取代的C 2~C 6烯基”;方案2方案3
- 一种药物组合物,其特征在于,其包括物质A和一种或多种药学上可接受的载体;所述的物质A为如权利要求1-5中任一项所述的如式I所示化合物或其药学上可接受的盐。
- 一种物质B在制备THR-β的激动剂中的应用,所述的物质B为如权利要求1-5中任一项所述的如式I所示化合物或其药学上可接受的盐,或如权利要求8所述的药物组合物。
- 一种物质B在制备用于治疗和/或预防与THR-β的相关疾病的药物中的应用;所述的物质B为如权利要求1-5中任一项所述的如式I所示化合物或其药学上可接受的盐,或如权利要求8所述的药物组合物;较佳地,所述疾病为非酒精性脂肪性肝病、肥胖、肝纤维化、2型糖尿病和原发性高胆固醇血症中的一种或多种。
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