WO2020226532A1 - ЗАМЕЩЕННЫЙ 3,4,12,12А-ТЕТРАГИДРО-1Н-[1,4]ОКСАЗИНО[3,4-С]ПИРИДО[2,1-f] [1,2,4]ТРИАЗИН- 6,8-ДИОН, ФАРМАЦЕВТИЧЕСКАЯ КОМПОЗИЦИЯ, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ - Google Patents
ЗАМЕЩЕННЫЙ 3,4,12,12А-ТЕТРАГИДРО-1Н-[1,4]ОКСАЗИНО[3,4-С]ПИРИДО[2,1-f] [1,2,4]ТРИАЗИН- 6,8-ДИОН, ФАРМАЦЕВТИЧЕСКАЯ КОМПОЗИЦИЯ, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ Download PDFInfo
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- WO2020226532A1 WO2020226532A1 PCT/RU2020/000163 RU2020000163W WO2020226532A1 WO 2020226532 A1 WO2020226532 A1 WO 2020226532A1 RU 2020000163 W RU2020000163 W RU 2020000163W WO 2020226532 A1 WO2020226532 A1 WO 2020226532A1
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- tetrahydro
- oxazino
- pyrido
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- 0 *OC(C(C=C1)=O)=C(C(N2[C@@]3COCC2)=O)N1N3C(c([s]cc1)c1SCc1c2F)c1ccc2F Chemical compound *OC(C(C=C1)=O)=C(C(N2[C@@]3COCC2)=O)N1N3C(c([s]cc1)c1SCc1c2F)c1ccc2F 0.000 description 5
- ZJTYHSBOZAQQGF-UHFFFAOYSA-N O=C(c1ccccc1)c(cc1F)ccc1F Chemical compound O=C(c1ccccc1)c(cc1F)ccc1F ZJTYHSBOZAQQGF-UHFFFAOYSA-N 0.000 description 1
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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
- C07D498/12—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 three hetero rings
- C07D498/14—Ortho-condensed systems
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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
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5383—1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
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- 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
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- This invention relates to a previously unknown compound - substituted 3, 4, 12, 12a-tetrahydro-1 H- [1, 4] oxazino [3, 4-c] pyrido [2, 1 -f] [1, 2.4] triazine-6,8-dione, which is an effective agent for the prevention and treatment of viral diseases, including influenza.
- Influenza is an acute infection of the respiratory tract caused by the influenza virus. It is included in the group of acute respiratory viral infections (ARVI). Periodically spreads in the form of epidemics and pandemics. Currently, more than 2000 variants of the influenza virus have been identified, differing in their antigenic spectrum. According to WHO estimates, from all variants of the virus during seasonal epidemics in the world annually die from 250 to 500 thousand people (most of them are over 65 years old), in some years the number of deaths can reach a million.
- ARVI acute respiratory viral infections
- Influenza viruses belong to the family of Orthomyxoviruses (Latin Orthomyxoviridae) - a family of RNA viruses. This family includes seven types of viruses, including influenza A virus, influenza B virus, influenza C virus, influenza D virus. Three types of influenza virus, which are identified by antigenic differences in their nucleoprotein and matrix protein, infect vertebrates as follows: Influenza virus It infects humans, other mammals and birds and causes all influenza pandemics. Influenza B virus infects humans and seals. Influenza C virus infects humans, pigs and dogs. Influenza D virus infects (isolated in 2012) farm animals. As far as is known, influenza D does not infect human cells.
- Influenza A and B viruses contain NA and HA as the main structural and antigenic components of the viral particle, with hemagglutinating and neuraminidase activities.
- Influenza C virus does not have neuraminidase, but instead has a hemagglutinin esterase (penetrating) protein (HEF).
- HEF hemagglutinin esterase
- neuraminidase zanamivir, oseltamivir, perimivir
- proton ion channel-forming protein M2 amantadine, rimantadine
- RdRp viral RNA-dependent RNA polymerase
- the RdRp of the influenza virus Being in the nuclei of infected cells, the RdRp of the influenza virus is represented by a heterotrimer consisting of three subunits: PA, PB1, and PB2.
- RdRp is responsible for the replication and transcription of eight different RNA segments of the viral genome.
- This viral polymerase synthesizes viral mRNA using the host cell short Cap primers. These Cap primers are derived from cellular transcripts (RNA) using a unique "Cap-dependent" mechanism (The cap-dependent mechanism).
- the PB2 viral subunit binds the pre-mRNA Cap at their 5 'ends.
- Favipiravir (A4) is a broad-spectrum drug that targets numerous viral RdRps, including influenza virus, was approved in Japan in 2014 and the US in 2015 for emergency use in the event of an influenza pandemic, despite some significant toxicity concerns this drug [Nagata, T. et al. Favipiravir: a new medication for the Ebola virus disease pandemic. Disaster Med Public Health Prep 9, 79-81 (2015).].
- Pimodivir is a first-in-class influenza virus replication inhibitor that blocks the PB2 activity of the influenza viral polymerase complex [Clark, MR et al. Discovery of a novel, first-in-class, orally bioavailable azaindole inhibitor (VX-787) of influenza PB2. J. Med. Chem. 2014, 57, 6668-6678. Bym, RA et al. Preclinical activity of VX-787, a first-in-class, orally bioavailable inhibitor of the influenza virus polymerase PB2 subunit. Antimicrob. Agents Chemother. 2015, 59, 1569-1582. https: // ichgcp.
- the drug is in phase 3 clinical trials evaluating the efficacy and safety of pimodivir in combination with standard treatment in adolescents, adults and the elderly with influenza A infection [https://clinicaltrials.gov/ct2/show/NCT03376321].
- polyheterocyclic inhibitors of Sar-dependent endonuclease were patented, including a fragment of substituted 2,4-dioxobutanoic acid, including inhibitors A6, A7 [EP 2620436B 1 (priority 2010), https://patents.google.com/patent/EP2620436Bl ], A8, A9 [US9827244B2 (priority 2016)] and AIO, AII [WO2016175224A 1; WO 2018030463 (priority 2016)].
- Baloxavir L10 (Baloxavir, Baloxavir acid, ⁇ , (12 Harbor / g) -7-hydroxy-12 - [(115) -5,11-dihydro [1] benzothiepino [ 3,4-6] pyridin-5-yl] -3,4, 12, 12 Harbor-tetrahydro- 1 # - [1, 4] oxazino [3,4- c] pyrido [2, 1 - /] [1, 2,4] triazine-6,8-dione), a prodrug which Baloksavir marboksil All (Baloxavir marboxil, VCM, S-033188) - tradename Ksoflyuza (Xofluza ®) was approved in 2018 year for the treatment of influenza a and B infection in Japan and in the USA.
- Baloksavir marboksil All Baloksavir marboksil All (Baloxavir marboxil, VCM, S-033188) - trade
- Xofluza is the first oral antiviral drug with a novel mechanism of action for the treatment of influenza in nearly 20 years [S. Omoto at al. Characterization of influenza virus variants induced by treatment with the endonuclease inhibitor baloxavir marboxil. Scientific Reports 2018, 8, Article number: 9633].
- influenza poses a serious threat to public health (globally, annual epidemics lead to 3-5 million cases of severe illness, millions of hospitalizations and up to 650,000 deaths worldwide), it seems reasonable to search for new anti-influenza drugs with improved characteristics.
- R 1 is 6,7-difluoro-5,10-dihydrothieno [3,2-c] [2] benzothiepin-10-yl, 7,8-difluoro-4,9-dihydrothieno [2.23-c] [ 2] benzothiepin-4-yl, (3,4-difluorophenyl) (phenyl) methyl, (3,4-difluorophenyl) (2-methylsulfanylphenyl) methyl, diphenylmethyl, (3, 4-difluorophenyl) (2-methylsulfanylphenyl) methyl, diphenylmethyl, bis (4-fluorophenyl) methyl; R 2 is hydrogen, or a protective group.
- aryl refers to substituted or unsubstituted phenyl (Ph), biphenyl, or naphthyl; preferably the term “aryl” refers to substituted or unsubstituted phenyl.
- the aryl group can be substituted with one or more moieties selected from hydroxyl, F, Cl, Br, I, amino, alkylamino, arylamino, alkoxy, aryloxy, nitro, cyano, sulfonic acid, sulfate, phosphonic acid, phosphate and phosphonate, protected if necessary or not, known to those skilled in the art, such as those described in T.V. Green's book.
- heteroaryl refers to a mono- or polycyclic aromatic radical in which one or more ring atoms are selected from S, O and N, and the rest of the ring atoms are carbon. Heteroaryl includes pyridinyl, pyrazinyl, pyrimidinyl, quinolinyl, isoquinolinyl, benzimidazolyl, benzooxazolyl, or quinoxalinyl, among others.
- alkyl refers to saturated, linear, or branched hydrocarbon radicals containing from one to six carbon atoms.
- Examples of Cj-C 6 alkyl radicals include, but are not limited to, methyl, ethyl, propyl, isopropyl, n-butyl, and t-butyl.
- protecting group refers to substituents attached to the oxygen of the alcohol group, commonly used to block or protect the functionality of an alcohol or other hydroxy compound without interfering with interaction with the compound of other functional rpynn ._ [In_book: _Greene's Protective Groups in Organic Synthesis. Editor: Peter GM Chapter 2, Protection for the Hydroxyl Group, Including 1,2D and l, 3 DDiols. P. 17-471, 2014. https://onlinelibrary.wiley.com/doi/book/10.1002/9781 1 18905074].
- prodrug refers to compounds of the invention that are chemically or metabolically degraded and become, by solvolysis or under physiological conditions, a compound of the present invention that is pharmaceutically active in vivo.
- Prodrugs often have higher solubility, tissue compatibility, delivery, or sustained release in mammals (Bungard, N., Desing of products, pp. 7-9, 21-24, Elsevier, Amsterdam 1985).
- Prodrugs include acid derivatives well known to those skilled in the art, such as, for example, esters prepared by reacting an acidic parent compound with a suitable alcohol, or amides prepared by reacting a parent acid compound with a suitable amine.
- Examples of prodrugs include, but are not limited to them, acetate, formate, benzoate or other acylated derivatives of alcohols or amines of functional groups in the compounds of the present invention.
- active ingredient refers to a physiologically active substance of synthetic or other (biotechnological, plant, animal, bactericidal, etc.) origin with pharmacological activity, which is an active ingredient of a pharmaceutical composition.
- drug means a substance (or a mixture of substances in the form of a pharmaceutical composition) in the form of tablets, capsules, injections, ointments and other ready-made forms, intended for the restoration, correction or change of physiological functions in humans and animals, as well as for the treatment and disease prevention, diagnostics, anesthesia, contraception, cosmetology and others.
- therapeutic cocktail is a simultaneously administered combination of two or more drugs with different mechanisms of pharmacological action and directed at different biotargets involved in the pathogenesis of the disease.
- composition means a composition comprising a compound of Formula 1 and at least one of the components selected from the group consisting of pharmaceutically acceptable and pharmacologically compatible excipients, solvents, diluents, carriers, auxiliary, dispensing and receiving agents, delivery means such as preservatives, stabilizers, fillers, grinders, humectants, emulsifiers, suspending agents, thickeners, sweeteners, fragrances, flavorings, antibacterial agents, fungicides, lubricants, sustained delivery regulators, the choice and ratio of which depends on the nature and method of administration and dosage.
- delivery means such as preservatives, stabilizers, fillers, grinders, humectants, emulsifiers, suspending agents, thickeners, sweeteners, fragrances, flavorings, antibacterial agents, fungicides, lubricants, sustained delivery regulators, the choice and ratio of which depends on the nature and method of administration and dosage.
- suspending agents examples include ethoxylated isostearyl alcohol, polyoxyethylene, sorbitol and sorbitol ether, microcrystalline cellulose, aluminum metahydroxide, bentonite, agar-agar and tragacanth, and mixtures of these substances. Protection against the action of microorganisms can be provided by a variety of antibacterial and antifungal agents such as parabens, chlorobutanol, sorbic acid and the like.
- the composition may include also isotonic agents such as sugars, sodium chloride and the like. Prolonged action of the composition can be provided by agents that slow down the absorption of the active ingredient, for example, aluminum monostearate and gelatin.
- suitable carriers, solvents, diluents and delivery vehicles are water, ethanol, polyalcohols, as well as mixtures thereof, vegetable oils (such as olive oil) and injectable organic esters (such as ethyl oleate).
- suitable carriers are water, ethanol, polyalcohols, as well as mixtures thereof, vegetable oils (such as olive oil) and injectable organic esters (such as ethyl oleate).
- fillers are lactose, milk sugar, sodium citrate, calcium carbonate, calcium phosphate, and the like.
- grinders and distributing agents are starch, alginic acid and its salts, silicates.
- lubricants are magnesium stearate, sodium lauryl sulfate, talc, and high molecular weight polyethylene glycol.
- a pharmaceutical composition for oral, sublingual, transdermal, intramuscular, intravenous, subcutaneous, topical or rectal administration of an active ingredient, alone or in combination with another active ingredient, can be administered to animals and humans in a standard administration form, as a mixture with traditional pharmaceutical carriers.
- Suitable unit forms of administration include oral forms such as tablets, gelatin capsules, pills, powders, granules, chewing gums and oral solutions or suspensions, sublingual and buccal administration forms, aerosols, implants, topical, transdermal, subcutaneous, intramuscular, intravenous, intranasal or intraocular administration forms and rectal administration forms.
- excipient refers to a compound that is used to prepare a pharmaceutical composition and is generally safe, non-toxic and neither biologically nor otherwise undesirable, and includes excipients that are acceptable to veterinary use as well as pharmacologically acceptable for human use.
- the compounds of this invention may be administered alone, but will usually be administered in admixture with one or more pharmaceutically acceptable excipients, diluents or carriers selected based on the intended route of administration and standard pharmaceutical practice.
- pharmaceutically acceptable salt means relatively non-toxic organic and inorganic salts of acids and bases, as claimed in the present invention. These salts can be obtained in situ during the synthesis, isolation or purification of compounds, or they can be specially prepared. In particular, base salts can be specially prepared starting from the purified free base of the claimed compound and a suitable organic or inorganic acid.
- salts obtained in this way are hydrochlorides, hydrobromides, sulfates, bisulfates, phosphates, nitrates, acetates, oxalates, valeriates, oleates, palmitates, stearates, laurates, borates, benzoates, lactates, tosylates, citrates, maleates, fumarates, succinates, tartrates mesylates, malonates, salicylates, propionates, ethanesulfonates, benzenesulfonates, sulfamates and the like (For a detailed description of the properties of such salts, see Berge SM, et al., “Pharmaceutical Salts” J.
- Salts of the claimed acids can also be specially prepared by reacting a purified acid with a suitable base, whereby metal and amine salts can be synthesized.
- Metallic salts include sodium, potassium, calcium, barium, zinc, magnesium, lithium and aluminum salts, the most desirable of which are sodium and potassium salts.
- Suitable inorganic bases from which metal salts can be derived are sodium hydroxide, carbonate, bicarbonate and hydride, potassium hydroxide and bicarbonate, potash, lithium hydroxide, calcium hydroxide, magnesium hydroxide, zinc hydroxide.
- amines and amino acids are selected that are basic enough to form a stable salt and are suitable for medical use (in particular, they must have low toxicity).
- Such amines include ammonia, methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, benzylamine, dibenzylamine, dicyclohexylamine, piperazine, ethylpiperidine, tris (hydroxymethyl) aminomethane, and the like.
- tetraalkylammonium hydroxides such as choline, tetramethylammonium, tetraethylammonium, and the like can be used for salt formation.
- the basic amino acids, lysine, ornithine and arginine, can be used as amino acids.
- crystalline form means a structure of a substance characterized by the packing of the molecules forming it into one of the types of the crystal lattice.
- polycrystalline form means a structure of a substance having a polycrystalline structure, i.e. consisting of many small single crystals, i.e. crystallites of a certain crystalline form.
- therapeutically effective amount means the amount of a substance, prodrug, or drug necessary to reduce the symptoms of a disease in a subject.
- the dose of the substance, prodrug or drug will be tailored to the individual requirements in each case. This dose can vary widely depending on numerous factors, such as the severity of the disease to be treated, the age and general health of the patient, other drugs with which the patient is being treated, the method and form of administration, and the experience of the attending physician.
- the daily dose is about 0.01 to 10 g, including all values in between, per day in monotherapy and / or in combination therapy.
- the preferred daily dosage is about 0.1 to 7 g per day.
- treatment is started with a large initial “loading dose” to rapidly reduce or eliminate the virus, accompanying the tapering dose to a level sufficient to prevent an outbreak of infection.
- solvate means a complex or aggregate formed by one or more molecules of a solute, i. E. a compound of the invention, or a pharmaceutically acceptable salt thereof, and one or more solvent molecules. Such solvates are typical solid crystals having a substantially fixed solute to solvent molar ratio. Representative solvents include, but are not limited to, water, ethanol, isopropanol, acetic acid, and the like. When the solvent is water, the solvate formed is a hydrate.
- subject means a mammal that includes, but is not limited to, cattle, pigs, sheep, chickens, turkeys, buffaloes, llamas, ostriches, dogs, cats, and humans, preferably the subject is a human. It is assumed that the method of treating a subject can be any of the prodrugs of general formula 1, its stereoisomer, isotopically enriched analogue, its pharmaceutically acceptable salt, hydrate, solvate, crystalline and polymorphic form, or in combination with another compound, including NS5A HCV inhibitor. Disclosure of invention
- R 1 is 6,7-difluoro-5,10-dihydrothieno [3,2-c] [2] benzothiepin-10-yl, 7,8-difluoro-4,9-dihydrothieno [2.23-c] [ 2] benzothiepin-4-yl, (3,4-difluorophenyl) (phenyl) methyl, (3,4-difluorophenyl) (2-methylsulfanylphenyl) methyl, diphenylmethyl, bis (4-fluorophenyl) methyl;
- R 2 is hydrogen or a protecting group selected from the range of benzyl, (C1-C3 alkyl) oxycarbonyloxy, ⁇ [(C1-C3 alkyl) oxycarbonyl] -oxy ⁇ methoxy, ⁇ [2- (C1-C3 alkyl) oxyethoxy] carbonyl ⁇ oxy, ( ⁇ (1 /?) - 2 - [(C1
- R - has the above meaning. More preferable is:
- the subject of this invention is also a method for the preparation of compounds of general formula 1, which includes the preparation of 7-benzyloxy derivatives 1.1.1-1.14.1 by the reaction (12 Corporation /?) - 7- (benzyloxy) -3, 4,12,12 réelle-tetrahydro- 1 H - [1, 4] oxazino [3, 4-c] - pyrido [2, 1 -f] [1, 2,4] triazine-6,8-dione (2), respectively, with 6,7-difluoro-5, 10-dihydrothieno [3,2-c] [2] benzothiepin-10-ol (3) or with 7,8-difluoro-7,8-dihydrothieno [2,3-c ⁇ [2] benzothiepin-4-ol ( 4), or with (3,4-difluorophenyl) (phenyl) methanol (5), (3,4-difluorophenyl) (2-methylsulfanylphenyl)
- Diastereomer (12 réelleL) -7-benzyloxy- 12 - [(5) - (3,4-difluorophenyl) (phenyl) methyl] -3,4, 12, 12-tetrahydro-1 # - [1,4] oxazino [3 , 4-c] pyrido [2, 1-
- the method for preparing 6,7-difluoro-5, 10-dihydrothieno [3,2-c] [2] benzothiepin-10-ol (3) comprises cyclization of 3,4-difluoro-2 - [(3-thienylthio) methyl ] -benzoic acid (3.6) in the presence of RS and reduction of the formed 6,7-difluoro-5, 10-dihydrothieno [3, 2-c] [2] benzothiepin-10 (5 ⁇ ) -one (3.7) with sodium borohydride (Scheme 1 ).
- the method for preparing 7,8-difluoro-7,8-dihydrothieno [2,3-c] [2] benzothiepin-10-ol (4) comprises cyclization of 3,4-difluoro-2 - [(3-thienylthio) methyl ] - benzoic acid (4.3) in the presence of RS and reduction of the formed 6,7-difluoro-5,10-dihydrothieno [3,2-c] [2] benzothiepin-10 (5 ⁇ ) -one (4.4) with sodium borohydride (Scheme 2 ).
- Scheme 2 Synthesis of 7,8-difluoro-7,8-dihydrothieno [2,3-c] [2] benzothiepin-10-ol (4)
- the starting (3,4-difluorophenyl) (phenyl) methanol (5) is a novel compound, therefore this compound and its preparation method are also subject of the present invention.
- the method for producing (3,4-difluorophenyl) (phenyl) methanol (5) consists in the reduction of 3,4-difluorobenzophenone (5.1) with sodium borohydride (Scheme 3).
- the starting (3,4-difluorophenyl) (2-methylsulfanylphenyl) methanol (6) is a new compound, therefore this compound and its preparation method are also subject of the present invention.
- the method for producing (3,4-difluorophenyl) (2-methylsulfanylphenyl) methanol (6) consists in the reduction of (3,4-difluorophenyl) [2-methylsulfanyl) phenyl] methanone (6.6) with sodium borohydride (Scheme 4).
- Ke1 is the elimination constant.
- ATGSposl is the area under the concentration-time curve from the moment of drug administration to the determination of the last quantifiable concentration.
- M Tposl is the average retention time in an unchanged form in the body from the moment of drug administration to the determination of the last quantifiable concentration.
- Pharmacokinetic parameters in particular, Smake and ATGSpasl in plasma after RO administration to mice (Table 2) of new proinhibitors are 10-40 times higher than those of Baloxavir marboxil (VCM). Table 2. Pharmacokinetic parameters in plasma at RO in mice of preparations at a dose of 15 mg / kg.
- 7-Hydroxy derivatives 1.1.2-1.14.2 are nanomolar inhibitors of influenza virus isolates.
- the subject of the present invention is the use of 7,8-difluoro-5,10-dihydrothieno [3, 2-c] [2] benzothiepin-10-ol (3), 7,8-difluoro-7,8-dihydrothieno [2,3 - c] [2] benzothiepin-10-ol (4), (3,4-difluorophenyl) (phenyl) methanol (5), (3,4-difluorophenyl) (2-methylsulfanylphenyl) methanol (6), diphenylmethanol (7 ) and bis (4-fluorophenyl) methanol (8) as an intermediate in the synthesis of compounds of general formula 1.
- the subject of the present invention is the use of 7-benzyloxy derivatives
- the subject of the present invention is the use of 7-hydroxy derivatives
- the subject of the present invention is the use of 7-hydroxy derivatives
- the subject of the present invention is the use of compounds 1.1.3-1.14.3 and 1.1.4-1.14.4 or their stereoisomers, pharmaceutically acceptable salts, solvates, hydrates, and their crystalline or polycrystalline forms as pro-inhibitors (prodrugs) of influenza virus.
- the subject of the present invention is the use of inhibitors 1.1.2-1.14.2 or prodrugs 1.1.3-1.14.3 and 1.1.4-1.14.4 or their stereoisomers, pharmaceutically acceptable salts, solvates, hydrates, and their crystalline or polycrystalline forms for treatment or prevention of viral diseases.
- the subject of this invention is an antiviral pharmaceutical composition containing a compound selected from the range 1.1.2-1.14.2 or a number of prodrugs
- an antiviral pharmaceutical composition comprising a compound selected from the range 1.1.2-1.14.2 or the range of prodrugs 1.1.3-1.14.3 and
- the subject of this invention is a method for the treatment and / or prevention of a viral disease, characterized by the administration to a patient of a compound selected from the range 1.1.2-1.14.2 or a number of prodrugs 1.1.3-1.14.3 and 1.1.4-1.14.4 or a number of their stereoisomers , pharmaceutically acceptable salts, solvates, hydrates, and their crystalline or polycrystalline forms, or the pharmaceutical composition of this invention.
- the compounds of the present invention can be orally administered as a powder, granule, tablet, capsule, pill, liquid, and the like. or parenterally by injection, suppository, percutaneous drug, inhaler, and the like.
- Effective doses of the present compounds can be mixed with excipients suitable for the dosage form, such as fillers, binders, humectants, disintegrants and lubricants, if necessary, to prepare pharmaceutical preparations.
- excipients suitable for the dosage form such as fillers, binders, humectants, disintegrants and lubricants, if necessary, to prepare pharmaceutical preparations.
- sterilization is carried out with a suitable vehicle.
- compositions in accordance with the present invention can be administered orally or parenterally.
- oral administration commonly used dosage forms such as tablets, granules, powder and capsules can be prepared according to conventional methods.
- parenteral administration a suitable conventional dosage form such as injection can be used.
- Effective doses of the compounds of the present invention can be mixed with various pharmaceutical excipients suitable for the dosage form, such as fillers, binders, disintegrants and lubricants, if necessary, to prepare pharmaceutical compositions.
- pharmaceutical excipients suitable for the dosage form such as fillers, binders, disintegrants and lubricants, if necessary, to prepare pharmaceutical compositions.
- the dose of the compounds of the present invention depends on the condition of the disease, the route of administration, the age or weight of the patient.
- the usual oral dose for adults is 0.1 to 100 mg / kg per day, preferably 1 to 20 mg / kg per day.
- the dosage of the pharmaceutical composition of the present invention is preferably determined based on the age and weight of the patient, the type and severity of the disease, the route of administration, and the like.
- a typical oral dose for adults is in the range of 0.05 to 100 mg / kg per day, preferably 0.1 to 10 mg / kg per day.
- the parenteral dose for adults is significantly varies depending on the route of administration, but is usually in the range from 0.005 to 10 mg / kg per day, preferably from 0.01 to 1 mg / kg per day.
- the dose can be administered once a day or can be divided into several daily doses.
- the compound of the present invention can be used in combination with other drugs (hereinafter referred to as combination drugs) to increase the activity of the compound, decrease the
- the compound of the present invention can be used in combination with a neuraminidase inhibitor (eg, Oseltamivir, Zanamivir, Peramivir, AV-5080, Inabiru, and the like); An RNA-dependent RNA polymerase inhibitor (eg Favipiravir); M2 protein inhibitor (for example, Amantadine); PB2 protein binding inhibitor (cap-binding protein PB2, eg VX-787); anti-HA antibody (eg, MNAA4549A); interferons (for example, Grippferon), interferon inducers (for example, Kagocel).
- Immune agonists are also possible (eg nitazoxanide).
- the administration time for the compound of the present invention and the combination drug is not limited. They can be given to the patients to be treated at the same time or at different times.
- the compound of the present invention and the combination drug can be administered as two or more compositions, independently of each active ingredient, or one composition containing each active ingredient.
- the dose for the combination preparations can be selected appropriately in relation to the clinical dose.
- the compounding ratio of the compounds of the present invention and the co-administered drugs can be appropriately selected depending on the treatment to be treated, the route of administration, the disease to be treated, symptoms, drug combination, and the like.
- 1 part by weight of the compounds of the present invention can be used in combination with 0.01-100 parts by weight of co-administered drugs.
- FIG. 1 Fragments of the packing of solvates I .2. IC 2 H 5 OH (A) and 1.2.1 -C 3 H 7 OH (B), obtained as a result of X-ray structural analysis of crystals using the Platon program.
- the solvate molecules of ethanol and isopropanol are not shown for clarity.
- NMR Nuclear magnetic resonance
- HRMS High resolution mass spectra
- HPLC High performance liquid chromatography
- the purity of the final compounds was determined by HPLC and was more than 98%.
- HPLC conditions for evaluating purity were as follows: HPLC Shimadzu, XBridge C 18, 4.6 mm x 250 mm (3.5 ⁇ m); a gradient of 0.1% TFA in 5% acetonitrile / water (A) and 0.1% TFA acetonitrile (B); flow rate 0.5 ml / min; collection time 20 min; wavelength, UV 214 and 254 nm.
- the preparative HPLC system included two sets of Shimadzu LC-8A pumps, a Shimadzu SCL IOAnr controller, and a Shimadzu SPD IOAnr detector.
- the reaction mixture was cooled to 0 ° ⁇ , 200 ml of IN HCl was added to the reaction mixture, and the mixture was stirred in an ice bath for 15 min.
- To the mixture were added 50 ml of ethyl acetate and 100 ml of water, the organic layer was separated and the aqueous layer was extracted with ethyl acetate (twice with 100 ml).
- the combined organic extract was washed with water (twice 50 ml), brine, dried over Na 2 SO 4 and evaporated to dryness on a rotary evaporator.
- the reaction mixture was stirred at room temperature for 5 days, poured into a mixture of 200 ml of sat. NaHCCb solution and 200 ml of ethyl acetate.
- the aqueous solution was separated and the ethyl acetate layer was washed again with sat. NaHCO 3 solution, brine, dried over Na 2 SC> 4 and evaporated on a rotary evaporator.
- the product was purified by column chromatography (EuAc). Product 1.1.1 was obtained as a white powder (5.7 g, 97%).
- the resulting mixture of diastereomers was recrystallized from 170 ml of ethyl acetate.
- Diastereomer 1.3.1 was obtained as a white powder 1.46 g (25%).
- the filtrate was evaporated to dryness on a rotary evaporator, the residue was separated on chiral HPLC, and diastereomer 1.2.1 was obtained, which left the column first, and diastereomer 1.3.1, which emerged from the column second. Additionally, 2.8 g of diastereomer 1.2.1 was recrystallized from 100 ml of isopropanol.
- the absolute configuration of diastereomers 1.2.1 and 1.3.1 was established on the basis of XRD data (Table 4) of rhombic solvates (Figs. 1 and 2) 1.2.1 C2H5 and 1.2.1 T-C3H7 (ratios 4: 3 and 8: 3, respectively ) obtained by crystallization of diastereomer 1.2.1 from ethanol and isopropanol.
- Example 8 (12 & RY 12-G (1053-5.10-DihydrothienoGZ, 2-c1 G21benzothiepin-10-yl] -4.8-dioxo-3.4.6.8.12.12a-hexahydro-1-G1.41oxazinoG3.4-c1pyridoG2.1- /1G1.2.41triazine-b-yl _ methyl carbonate 1.1.3 and its diasterioisomers 1.2.3. 1.3.3.
- Example 12 (12a /? ⁇ ) -7- (Benzyloxy> 12-G (3.4-difluorophenyl) G phenyl) methyl! -3.4.12,12-tetrahydro-1H-G1.41oxazinoG3.4-c1pyridoG2,1-LP, 2,41triazine-6,8-dione 1.7.1 and its diastereomers 1.8.1. 1.9.1.
- Example 13 (12aKU7-G hydroxy-12-G G3.4-diFluorophenyl ' ) ( ' pheny ' ) methyl1-3.4.12.12-tetrahydro-1N-P.41oxazinoG3.4-c1pyridoG2.1-LG1.2.41triazine- 6.8-dione (1.7.2) and its diastereomers 1.8.2 and 1.9.2.
- Diasterioisomer 1.8.4 LC MS (20 min), m / z 528 (M + l), * H NMR (DMSO-cfe, 300 MHz, 80 ° ⁇ ) d 7.76 (m, 1H), 7.48 (m, 2H ), 7.35 (m, 1H), 7.24 (m, 5H), 5.73 (m, 1H), 5.66 (m, 3H), 4.57 (m, 1H), 4.37 (m, 1H), 4.00 (m, 1H) , 3.75 (s, 3H), 3.71 (m, 1H), 3.43 (m, 1H), 3.30 (m, 1H), 3.10 (m, 1H).
- the product obtained in example 15 was dissolved in 10 ml of dimethylacetamide and 259 mg (6.1 1 mmol, 5 eq.) Of LiCl was added to the solution. The mixture was heated to 80 ° C and stirred for 3 hours. The reaction mixture was evaporated to dryness on a rotary evaporator, 50 ml of 0.5 M HCl was added to the residue, stirred at room temperature for 10 min, and the resulting precipitate was filtered off. The precipitate was washed with water and dried in air. The product is purified by HPLC.
- Example 17 (12aO-7- (Benzyloxy 12- 12-diphenylmethyl-3.4.12.12a-tetoahydro- ⁇ H- 1.41oxazinoG3.4-c1pyridoG2.1- / 1G1.2,41triazine-6.8-dione P.13. P.
- reaction mass was cooled to room temperature, added 50 ml of ethyl acetate, washed with 50 ml of a saturated solution of NaHCO 3 , dried over Na 2 SC> 4 and evaporated to dryness on a rotary evaporator.
- the resulting product was purified by column chromatography on silica gel with ethyl acetate.
- G 41oxazino G3.4-c1pyridoG2.1 -L G 1, 2.41triazine-6.8-dione (1.13.21.
- reaction mixture was evaporated to dryness on a rotary evaporator, 50 ml of 0.5N HC1 was added to the residue, and the product was extracted with EuAc (three times 30 ml each). The combined extract was washed with brine, dried over Na2SO4 and rotary evaporated to dryness.
- Example 19 ((12a 10-12-Diphenylmethyl-3.4, 12.12a-tetrahydro-1H- [1, 41oxazinoG3.4-c1pyridoG2.1-RH1.2,41triazin-7-yl) oxy) methyl methyl carbonate P.13.4 ).
- Prodrug 1.13.4 was obtained under the conditions described in example 7 by analogy with obtaining ( ⁇ (12aD) -12 - [(10 /?) - 5,10-dihydrothieno [3,2-c] [2] benzothiepin-10-yl ] -4,8-dioxo-3,4,6,8,12,12 perennial-hexahydro-1H- [1, 4] oxazino [3,4-c] pyrido [2,1- /
- Example 20 (12a7? 7- (Benzyloxy 12-Gbis (4-FluoroPhenyl methyl1-3.4.12.12a-tetrahydro-1N-G 1, 41oxazinoG3.4-c1pyridoG2.1 - / 1 G1, 2.41triazine-6.8-dione (1.14.1).
- Prodragon 1.14.4 was obtained under the conditions described in example 7 by analogy with the preparation of ( ⁇ (12ai?) - 12 - [(105) -5, 10-dihydrothieno [3,2-c] [2] benzothiepin-10-yl ] -4,8-dioxo-3,4,6,8,12, 12- hexahydro- 1 H- [1, 4] oxazino [3,4-c] pyrido [2, 1 - /] [1, 2.4] triazin-6-yl ⁇ oxy) methyl methyl carbonate (1.1.4).
- Example 23 In vitro activity of new inhibitors against influenza virus isolates in MDCK cell culture by enzyme-linked immunosorbent assay (ELISA).
- ELISA enzyme-linked immunosorbent assay
- PROTOCOL 1 from ImQuest BioSciences was used to determine the activity of compounds from influenza A / Califomia / 2009 (H1N1) isolates.
- MDCK cells canine kidney cells, CCL-34.
- CCL-34 canine kidney cells, CCL-34.
- DMEM fetal bovine serum
- penicillin 100 U / ml penicillin
- Cell viability was over 95% for cells to be used in the assay.
- Cells were resuspended at 1 x 104 cells per well in tissue culture medium and added to flat bottom microtiter plates in a volume of 100 ⁇ l. The plates were incubated at 37 ° C / 5% CO2 overnight to ensure cell adhesion.
- Influenza virus A / CA / 04/09 (NR-13685-) was obtained from BEI Resources (Manassas, VA) and grown in MDCK cells to produce parent virus pools. A pre-titrated aliquot of the virus was removed from the freezer (-80 ° C) and allowed to thaw slowly to room temperature in a biological cabinet.
- the virus was resuspended and diluted in assay medium (DMEM supplemented with 2 mM L-glutamine, 100 U / ml penicillin, 100 ⁇ g / ml streptomycin, 1 mM sodium pyruvate, 0.1 MM NEAA, and 1 ⁇ g / ml TPKK-treated trypsin) in this way, that the amount of virus added to each well in a volume of 100 ⁇ l be determined to kill 85 to 95% of the cells 4 days after infection (MOI 0.01).
- assay medium DMEM supplemented with 2 mM L-glutamine, 100 U / ml penicillin, 100 ⁇ g / ml streptomycin, 1 mM sodium pyruvate, 0.1 MM NEAA, and 1 ⁇ g / ml TPKK-treated trypsin
- Each plate contained cell control wells (cells only), virus control wells (cells plus virus), drug colorimetric wells (drug only), and experimental wells (drug plus cells plus virus). Samples were tested three times for potency with five half dilutions per compound.
- the XTT solution was prepared daily as a 1 mg / ml stock in RPMI1640.
- a solution of phenazine metasulfate (PMS, Sigma-Aldrich) was prepared at a concentration of 0.15 mg / ml in PBS and stored in the dark at -20 ° C.
- XTT / PMS was prepared immediately before use by adding 40 ⁇ l of PMS per ml of XTT solution. Fifty microliters of XTT / PMS were added to each well of the plate and the plate was re-incubated for 4 hours at 37 ° C. The plates were sealed with adhesive plate sealers and gently shaken or inverted several times to mix the formazan soluble product and the plate was read
- PROTOCOL 2 Research Institute of Vaccines and Serums named after I.I. Mechnikov FGBNU NIIVS named after II Mechnikov, Moscow was used to determine the activity of compounds of influenza isolates A / Aichi / 2/69 (H3N2) and A / Perth / 265/2009 (HlNlpdm09) (H275Y).
- MDCK cells were seeded in 96-well Costar plates with an average density of 30,000-35,000 cells per well and grown in Eagle's minimal medium in the presence of 5% fetal calf serum and 10 mM glutamine until complete Before infection with the virus, the cells were washed 2 times with the medium without serum. The compounds under study were added to the cells in a 2-fold concentration in 100 ⁇ l of Eagle's minimal medium. 100 ⁇ l of the same medium was added to the viral control, and 200 ⁇ l to the cell control.
- the studied samples and virus dilutions were prepared on a medium supplemented with 2.5 ⁇ g / ml of TRNC trypsin.After incubation of cells with the test preparations for 2 hours at 37 C, 100 ⁇ l were added to the wells, excluding the cell control allantoic virus diluted in a medium supplemented with 5 ⁇ g / ml of TRSK trypsin (from 0.1 to 5 pfu per cell). Further incubus plates were incubated for 24 hours in an atmosphere of 5% COg at 37 ° C.
- Example 24 Pharmaceutical composition in the form of a tablet.
- Starch (1700 mg), ground lactose (1700 mg), talc (400 mg), and 1200 mg of prodrug 1.1.4 or 1.11.4 or 1.14.4 were mixed and compressed into a bar.
- the resulting bar was crushed into granules and sieved through a sieve to collect granules of 14-16 mesh.
- the granules thus obtained were formed into suitable tablets weighing 80 or 160 mg each.
- Example 25 Pharmaceutical composition in capsule form.
- Prodrug of formula 1.1.4 or 1.1 1.4 or 1.14.4 was thoroughly mixed with lactose powder in a 2: 1 ratio. The resulting powder mixture was packaged in appropriately sized gelatin capsules of 36 or 72 mg per capsule.
- the invention can be used in medicine and veterinary medicine.
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CA3106620A CA3106620A1 (en) | 2019-05-07 | 2020-03-27 | Substituted 3,4,12,12a-tetrahydro-1h-[1,4] oxazino[3,4-c]pyrido[2,1-f] [1,2,4]triazine-6,8-dione, pharmaceutical composition, method for the production and use thereof |
CN202080001974.5A CN112204035A (zh) | 2019-05-07 | 2020-03-27 | 取代的3,4,12,12а-四氢-1Н-[1,4]噁嗪并[3,4-c]吡啶并[2,1-f][1,2,4]三嗪-6,8-二酮、其药物组合物、生产方法及用途 |
EP20781429.4A EP3763718A4 (en) | 2019-05-07 | 2020-03-27 | 3,4,12,12 -TETRAHYDRO-1 - [1,4] OXAZINO [3,4-] PYRIDO [2,1-F] [1,2,4] TRIAZINE- 6,8-DIONE SUBSTITUTED, PHARMACEUTICAL COMPOSITION AND METHODS OF PRODUCTION AND USE |
AU2020269125A AU2020269125A1 (en) | 2019-05-07 | 2020-03-27 | Substituted 3,4,12,12a-tetrahydro-1h-(1,4)oxazino(3,4-c)pyrido(2,1-f)(1,2,4)triazine-6,8-dione, pharmaceutical composition, and methods for preparing and using same |
EA202190324A EA202190324A1 (ru) | 2019-05-07 | 2020-03-27 | ЗАМЕЩЕННЫЙ 3,4,12,12a-ТЕТРАГИДРО-1Н-[1,4]ОКСАЗИНО[3,4-c]ПИРИДО[2,1-f][1,2,4]ТРИАЗИН-6,8-ДИОН, ФАРМАЦЕВТИЧЕСКАЯ КОМПОЗИЦИЯ, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ |
JP2021552632A JP2022539939A (ja) | 2019-05-07 | 2020-03-27 | 置換された3,4,12,12a-テトラヒドロ-1H-[1,4]オキサジノ[3,4-c]ピリド[2,1-f][1,2,4]トリアジン-6,8-ジオン、その医薬組成物、生産のための方法および使用 |
US16/768,892 US20220048925A1 (en) | 2019-05-07 | 2020-03-27 | Substituted 3,4,12,12a-Tetrahydro-1H-[1,4]Oxazino[3,4-c]Pyrido[2,1-f][1,2,4]Triazine-6,8-dione, Pharmaceutical Composition, Method for the Production and Use Thereof |
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