Substituted esters of 1,2,3,7-tetrahydropyrrolo[3,2-f][1,3]benzoxazin-5-carboxylic acids, pharmaceutical composition, method for their preparing (variants) and using

FIELD: organic chemistry, medicine, pharmacy, chemical technology.

SUBSTANCE: invention relates to novel substituted esters of 1,2,3,7-tetrahydropyrrolo[3,2-f][1,3]benzoxazin-5-carboxylic acids of the general formula (1): or their racemates, or their optical isomers, or their pharmaceutically acceptable salts and/or hydrates possessing the antiviral effect. In compounds of the general formula (1) each R1 and R4 represents independently of one another a substitutes of amino group chosen from hydrogen atom, optionally substituted linear or branched alkyl comprising 3-12 carbon atoms, optionally substituted cycloalkyl comprising 3-10 carbon atoms, optionally substituted aryl or optionally substituted and possibly an annelated heterocyclyl that can be aromatic or nonaromatic and comprising from 3 to 10 atoms in ring with one or some heteroatoms chosen from nitrogen, oxygen or sulfur atoms or their oxides; R2 represents alkyl substitute chosen from hydrogen atom, optionally substituted mercapto group, optionally substituted amino group, optionally substituted hydroxyl; R3 represents lower alkyl or cycloalkyl; R5 represents a substitute of cyclic system chosen from hydrogen atom, optionally substituted linear or branched alkyl comprising 3-12 carbon atoms, optionally substituted cycloalkyl comprising 3-10 carbon atoms, optionally substituted aryl or optionally substituted and optionally an annelated heterocyclyl that can be aromatic or nonaromatic and comprising from 3 to 10 atoms in ring with one or some heteroatoms chosen from nitrogen, oxygen or sulfur atoms or their oxides; R6 represents a substitute of cyclic system chosen from hydrogen atom, halogen atom, cyano group, optionally substituted aryl or optionally substituted and optionally annelated heterocyclyl that can be aromatic or nonaromatic and comprising from 3 to 10 atoms in ring with one or some heteroatoms chosen from nitrogen, oxygen or sulfur atoms or their oxides. Also, invention relates to methods for treatment, drugs and pharmaceutical compositions using compounds of this invention. Proposed compounds can be used as active components of drugs used in treatment of such diseases as infectious hepatitis, human immunodeficiency, atypical pneumonia and avian influenza.

EFFECT: valuable medicinal properties of compounds and pharmaceutical composition, improved methods of synthesis.

22 cl, 3 tbl, 6 dwg, 7 ex

 



 

Same patents:

FIELD: organic chemistry, medicine, biochemistry, pharmacy.

SUBSTANCE: invention relates to novel azaheterocycles of the general formula (I): possessing inhibitory effect on activity of tyrosine kinase and can be used in treatment of different diseases mediated by these receptors. In compound of the general formula (1) W represents azaheterocycle comprising 6-13 atoms that can be optionally annelated with at least one (C5-C7)-carbocycle and/or possibly annelated with heterocycle comprising 4-10 atoms in ring and comprising at least one heteroatom chosen from oxygen (O), sulfur (S) or nitrogen (N) atom; Ra1 represents a substitute of amino group but not hydrogen atom, such as substituted (C1-C6)-alkyl, possibly substituted aryl and possibly substituted 5-10-membered heterocyclyl comprising at least one heteroatom chosen from O, S or N; Rb represents carbamoyl group -C(O)NHRa wherein Ra represents a substitute of amino group but not hydrogen atom, such as possibly substituted alkyl, possibly substituted aryl, possibly substituted 5-10-membered heterocyclyc comprising at least one heteroatom chosen from O, S or N; Rc represents a substitute of cyclic system, such as possibly substituted (C1-C6)-alkyl, possibly substituted aryl and possibly substituted 5-6-membered heterocyclyl comprising at least one heteroatom chosen from O, S or N; or Rb and Rc form in common aminocyanomethylene group [(=C(NH2)CN], or their pharmaceutically acceptable salts. Also, invention relates to methods for synthesis of these compounds (variants), a pharmaceutical composition, combinatory and focused libraries.

EFFECT: valuable medicinal properties of compounds and pharmaceutical composition, improved methods for synthesis and preparing.

35 cl, 16 sch, 13 tbl, 43 ex

FIELD: organic chemistry, pharmaceuticals.

SUBSTANCE: invention relates to compounds of general formula 1 (G1 is group of general formulae 2 G1 is group of general formulae ; meanings of the rest substituents are as described in specification) or pharmaceutically acceptable salts thereof and use thereof in srug production. Said compounds are useful in treatment of male and female sexual disorders.

EFFECT: new oxytocin antagonists.

30 cl, 177 ex

FIELD: organic chemistry, pharmaceuticals.

SUBSTANCE: invention relates to compounds of general formula I and pharmaceutically acceptable salt thereof, wherein R1, R3, R4, R5, and R10 are independently H, halogen, C1-C4-alkyl, etc.; R2 is H, halogen, NO2, etc.; R6 is H, C1-C6-alkyl, C1-C6-alkoxy-substituted C1-C4-alkyl, etc.; R7 is H, C1-C4-alkyl or C2-C4-alkenyl, optionally substituted with halogen; R8 and R9 are H, R11 and R12; meanings of the rest substituents are as define in specification.

EFFECT: new compounds with value biological properties and useful as drug having activity in relates to progesterone receptor.

15 cl, 3 tbl, 80 ex

FIELD: organic chemistry.

SUBSTANCE: invention relates to new method for production of E-2-aroylmethylene-1-phenyl-1,2,3,4-tetrahydroquinazolin-4-ones of general formula I wherein R represents H, methyl, Cl. Claimed method includes interaction of 5-aryl-2,3-dihydro-2,3-furandiones with N-phenylanthranyl acid amide in medium of inert aprotic solvent (preferably benzene) followed by isolation of target products. Process is carried out preferably at 79-80°C. Claimed compounds have fluorescent properties and are useful in labeling and copying agents, intermediates for synthesis of new heterocyclic compounds, etc.

EFFECT: new fluorescent compounds.

3 cl, 1 dwg, 3 ex

FIELD: organic chemistry, antibacterial agents.

SUBSTANCE: invention relates to an agent used against acid-resistant microorganisms containing derivative of pyridone carboxylic acid as an active component, its pharmaceutically acceptable salt or its hydrate that elicits high antibacterial activity against Mycobacterium tuberculosis and atypical acid-resistant microorganisms. Invention describes agent used against acid-resistant microorganisms containing compound represented by the following formula (I) its salt or its hydrate as an active component wherein R1 represents cyclic alkyl group comprising 3-6 carbon atoms that can comprise substitute(s) chosen from halogen atom; R2 represents hydrogen atom; R3 represents hydrogen atom; A1 represents incomplete structure represented by the formula (2): wherein X2 represents halogen atom, alkyl group comprising 1-6 carbon atoms or alkoxy-group comprising 1-6 carbon atoms; A1, A2 and A3 form incomplete structure of the formula: in common with carbon atoms combined with them; X1 represents halogen atom; Y represents hydrogen atom; Z represents phenylpiperazine substitute. Invention provides synthesis of pyridone carboxylic acid eliciting high antibacterial activity against Mycobacterium tuberculosis and atypical acid-resistant microorganisms in combination with good pharmacokinetics indices and safety.

EFFECT: valuable biological property of agent.

10 cl, 9 tbl, 10 ex

FIELD: organic chemistry, chemical technology, medicine, pharmacy.

SUBSTANCE: invention relates to a synthetic quinolone agent that is effective as medicinal agents, veterinary preparations, drugs used in fishing industry or as antibacterial preserving agents. Invention describes compound represented by the following general formula (I): as its separate isomers or their mixture, its salt and their hydrates wherein R1 represents cyclic alkyl group comprising 3-6 carbon atoms that can comprise a substitute chosen from halogen atom; R2 represents hydrogen atom; R3 represents hydrogen atom; R4 represents hydrogen atom, amino-group, hydroxyl group; A represents nitrogen atom or part of structure as given in the invention claim; each R5 and R6 represents independently alkyl group comprising 1-6 carbon atoms or hydrogen atom; n means a whole number 1 or 2. Also, invention describes antibacterial agent and therapeutic agent based on compounds of the formula (I) used in treatment of infectious disease, a method for preparing antibacterial agent, a method for preparing a medicinal agent used in treatment of infectious disease and using compound of the formula (I) for preparing an antibacterial agent and using compound of the formula (I) for preparing a medicinal agent used in treatment of infectious disease. Invention provides novel compounds possessing useful biological properties.

EFFECT: improved preparing method of agents, valuable medicinal properties of compounds and agents.

35 cl, 2 tbl, 15 ex

FIELD: chemistry of heterocyclic compounds, antibacterial agents.

SUBSTANCE: invention relates to agent used against acid-resistant microorganisms. Invention describes agent against acid-resistant microorganisms containing as an active component the compound represented by the general formula (1) or its hydrate wherein R2 represents hydrogen atom; R3 represents hydrogen atom; A1, A2 and A3 form incomplete structure of the formula: wherein A1 represent incomplete structure of the formula: wherein X2 and above described R1 can be combined to form six-membered cyclic structure comprising part of the parent nucleus wherein formed ring can comprise oxygen atom and, except for, can comprise alkyl group having 1-6 carbon atoms as a substitute; X1 represents halogen atom, hydrogen atom or amino-group; Y represents hydrogen atom; Z represents incomplete structure of the formula: . Agent elicits high antibacterial activity of broad spectrum and possesses good pharmacokinetics and safety also.

EFFECT: improved and valuable properties of agent.

3 cl, 9 tbl, 10 ex

FIELD: organic chemistry, medicine, pharmacy.

SUBSTANCE: invention relates to novel lactam compounds of the formula (I) or their pharmaceutically acceptable salts wherein A means phenyl, thienyl, pyridyl, pyrimidinyl, pyrazinyl; R2, R3 and R4 can be similar or different and mean independently of one another hydrogen atom (H), halogen atom, -OH, (C1-C6)-alkyl, (C1-C6)-alkoxy-group, -NH2, -NO2, -CF3, phenyl that can comprise substitute(s), benzyloxy-group that can comprise substitute(s), pnehylvinyl, and one among R2, R3 and R4 means -CF3-O- and others mean H; B means phenyl that can comprises substitute(s), monocyclic aliphatic (C3-C8)-ring, dihydropyrane ring; -X- and -Y- xan be similar or different and they mean independently -O-, -NH-, -NR5-, -S-; Z means -CH2-, -NH-; W means -NR1-, -CR8R9- wherein R1 means H; R8 and R9 are similar or different and mean H; wherein R5 represents a linear alkyl group that can comprise substitute(s), (C1-C8)-linear or branched alkoxycarbonyl group, acyl group chosen from formyl group, acyl group comprising (C1-C6)-alkyl, (C1-C6)-alkenyl or (C1-C6)-alkynyl group that can comprise substitute(s), carbamoyl group comprising (C1-C6)-alkyl group at nitrogen atom that can comprise substitutes, sulfonyl group comprising (C1-C6)-alkyl group at sulfur atom that can comprise substitute(s); each among a, b and c represents position of carbon atom under condition that: (i) substitute(s) is chosen from the group comprising halogen atom, -OH, (C1-C6)-alkyl, mercapto-group, (C1-C6)-alkoxy-group, -NO2, -COOH, -CF3, phenyl, -NH2, (C1-C8)-linear or branched alkoxycarbonyl group, (C1-C8)-linear or branched acyl group, (C1-C8)-linear or branched acyloxy-group; (ii) when B represents benzene ring, each among -X- and -Y- represents -NH-, -Z- represents -CH2- and -W- represents -NH- then R2, R3 and R4 can not mean phenyl group, 4-bromophenyl group, 4-hydroxyphenyl group, 4-methoxyphenyl group, 2-hydroxyphenyl group, 3,4-dimethoxyphenyl group or 3-methoxy-4-hydroxyphenyl group. Compounds of the formula (I) show the enhanced capacity for transport of sugar and can be used in pharmaceutical compositions for prophylaxis and/or treatment of diabetes mellitus and diabetic nephropathy.

EFFECT: valuable medicinal properties of compounds and pharmaceutical compositions.

19 cl, 21 tbl, 54 ex

FIELD: organic chemistry, herbicides.

SUBSTANCE: invention relates to a compound of the general formula [I]: wherein R1 and R2 can be similar or different and each represents (C1-C10)-alkyl group; each among R3 and R4 represents hydrogen atom; R5 and R6 can be similar or different and each represents hydrogen atom or (C1-C10)-alkyl group; Y represents 5-6-membered aromatic heterocyclic group or condensed aromatic heterocyclic group comprising one or some heteroatoms chosen from nitrogen atom, oxygen atom and sulfur atom wherein heterocyclic group can be substituted with 0-6 of similar or different groups chosen from the following group of substitutes α, and so on; n means whole values from 0 to 2; [Group of substitutes α]: hydroxyl group, halogen atoms, (C1-C10)-alkyl groups, (C1-C10)-alkyl groups wherein each group is monosubstituted with group chosen from the following group of substitutes β, (C1-C4)-halogenalkyl groups, (C3-C8)-cycloalkyl groups, (C1-C10)-alkoxy-groups, (C1-C10)-alkoxy-groups wherein each group is monosubstituted with group chosen from the following group of substitutes and so on; [Group of substitutes β]: hydroxyl group, (C3-C8)-cycloalkyl groups that can be substituted with halogen atom or alkyl group, (C1-C10)-alkoxy-group, (C1-C10)-alkylthio-groups, (C1-C10)-alkylsulfonyl groups, (C1-C10)-alkoxycarbonyl groups, amino-group, carbamoyl group (wherein its nitrogen atom can be substituted with similar or different (C1-C10)-alkyl groups), (C1-C6)-acyl groups, (C1-C10)-alkoxyimino-groups, cyano-group, optionally substituted phenyl group; [Group of substitutes γ]: optionally substituted phenyl group, optionally substituted aromatic heterocyclic groups, cyano-group. Also, invention relates to herbicide comprising derivative of isoxazoline of the formula [I] as an active component or its pharmaceutically acceptable salt. Invention provides the development of isoxazoline derivative possessing the herbicide activity with respect to resistant weeds, selectivity for cultural crop and weed.

EFFECT: valuable herbicide properties of substances.

18 cl, 24 tbl, 106 ex

FIELD: organic chemistry, medicine, pharmacy.

SUBSTANCE: invention relates to using phenylethenyl- or phenylethynyl-derivatives as antagonists of glutamates receptors. Invention describes using compound of the general formula (I):

wherein each among R1, R2, R3, R4 and R5 means independently of one another hydrogen atom, (C1-C6)-alkyl, -(CH2)n-halogen, (C1-C6)-alkoxy-group, -(CH2)n-NRR', -(CH2)n-N(R)-C(O)-C1-C6)-alkyl, phenyl or pyrrolyl that can be unsubstituted or substituted with one or more (C1-C6)-alkyl; each among R, R' and R'' means independently of one another hydrogen atom or (C1-C6)-alkyl; A means -CH=CH- or C≡C; B means ,, , , or wherein R6 means hydrogen atom, (C1-C)-alkyl, -(CH2)n-C(O)OR, or halogen atom; R7 means hydrogen atom, (C1-C6)-alkyl, -(CH2)n-C(O)OR', halogen atom, nitro-group or oxodiazolyl group that can be unsubstituted or substituted with (C1-C6)-alkyl or cycloalkyl; R8 means hydrogen atom, (C1-C6)-alkyl, -(CH2)n-OH, -(CH2)n-C(O)OR'' or phenyl; R9 means (C1-C6)-alkyl; R10 and R11 mean hydrogen atom; R12 means -(CH2)n-N(R)-C(O)-(C1-C6)-alkyl; R13 means hydrogen atom; each R14, R15, R16 and R17 independently of one another means hydrogen atom or (C1-C6)-alkoxy-group; each R18, R19 and R20 independently of one another means hydrogen atom; R21 means hydrogen atom or (C1-C6)-alkyl; R22 means hydrogen atom, (C1-C6)-alkyl or (C1-C6)-alkyl comprising one or more substitutes chosen from groups hydroxy- or halogen atom; R23 means hydrogen atom, (C1-C6)-alkanoyl or nitro-group; each among R24, R25 and R26 independently of one another means hydrogen atom or (C1-C6)-alkyl; n = 0, 1, 2, 3, 4, 5 or 6; X means -O- or -S-; Y means -CH= or -N=, and its pharmaceutically acceptable salts used in preparing medicinal agents designates for treatment or prophylaxis of disorders mediated by mGluR5-receptors. Also, invention describes compounds of the formula (I-A), compound of the formula (I-B-1) given in the invention description, and a medicinal agent used in treatment or prophylaxis of disorders mediated by mGluR5-receptors.

EFFECT: valuable medicinal properties of compounds.

44 cl, 1 tbl, 44 ex

FIELD: organic chemistry, medicine, pharmacy, chemical technology.

SUBSTANCE: invention relates to novel substituted esters of 1H-indol-3-carboxylic acids of the general formula (1): or their racemates, or their optical isomers, or their pharmaceutical acceptable salts and/or hydrates. Compounds can be used in treatment of such diseases as infectious hepatitis, human immunodeficiency, atypical pneumonia and avian influenza. In compound of the general formula (1) R1, R41 and R42 each represents independently of one another a substitute of amino group chosen from hydrogen atom, optionally linear or branched alkyl comprising 3-12 carbon atoms, optionally substituted cycloalkyl comprising 3-10 carbon atoms, optionally substituted aryl or optionally substituted and possibly an annelated heterocyclyl that can be aromatic or nonaromatic and comprising from 3 to 10 carbon atom in ring with one or some heteroatoms chosen from nitrogen oxygen or sulfur atoms; or R41 and R42 in common with nitrogen atom to which they are bound form 5-10-membered azaheterocycle or guanidyl through R41 and R42; R2 represents an alkyl substitute chosen from hydrogen atom, optionally substituted mercapto group, optionally substituted amino group, optionally substituted hydroxyl; R3 represents lower alkyl; R5 represents a substitute of cyclic system chosen from hydrogen atom, halogen atom, cyano group, optionally substituted aryl or optionally substituted and possibly an annelated heterocycle that can be aromatic or nonaromatic and comprising from 3 to 10 atoms in ring with one or some heteroatoms chosen from nitrogen, oxygen or sulfur atoms. Also, invention relates to methods for treatment, drugs and pharmaceutical compositions using compounds of this invention.

EFFECT: valuable medicinal properties of compounds and pharmaceutical composition, improved method of synthesis.

22 cl, 3 tbl, 8 dwg, 6 ex

FIELD: medicine.

SUBSTANCE: method involves administering dry inhalation with essential oils in closed room. Eucalyptus and fir oils are used as essential oils. Inhalation is carried out in three stages. The first stage involves applying essential oil of eucalyptus 8 days long with 5 days long inhalation period, 3 days long pause and 3 days long inhalation period. Room saturation with applying essential oil of eucalyptus is started with 5 min a day adding 5 min every following day bringing total inhalation time to 40 min at the eighth day. Eucalyptus oil is applied at a dose of 6 drops per 15 m2. The second stage involves carrying out dry inhalation with two types of essential oils adding inhalation with fir oil. Two days combined inhalation is carried out and then 2 days is pause and 5 days of combined inhalation. Room saturation with fir oil is started with 5 min a day adding 5 min every following day bringing total inhalation time to 35 min at the seventh day. Room saturation with eucalyptus oil is started with 35 min a day subtracting 5 min every following day bringing total inhalation time to 5 min at the seventh day. Saturation with fir oil starts immediately after eucalyptus oil bringing total inhalation time to 40 min per day. Fir oil is used in the amount of 3 drops per 15 m2. The third stage involves carrying out dry inhalation with fir oil only 5 days long. Room saturation with fir oil is started with 40 min a day subtracting 5 min every following day bringing total inhalation time to 20 min at the fifth day.

EFFECT: optimum dose for treating children; improved individual tolerance.

1 dwg, 2 tbl

FIELD: medicine, pharmacy.

SUBSTANCE: invention describes a pharmaceutical composition for its using in treatment of symptoms of catarrhal diseases and influenza, or as an analgesic drug. Composition represents a single dose as an aqueous medicinal formula of the total volume less 100 ml and containing paracetamol and a masking component that attenuates or masks its bitter taste and consisting of at least two components chosen from the following groups (i)-(vi): (i) magnesium chloride, gluconate, hydroxide, carbonate or hydrocarbonate, and/or a mixture of magnesium chloride and magnesium sulfate in the molar ratio from 0.0001:1 to 0.01:1 measured as the ratio magnesium atoms : paracetamol; (ii) gingerin and/or ginger oil in the weight ratio from 1:20000 to 1:10000 with respect to paracetamol; (iii) sweetening agent of the sustained onset effect and prolonged effect chosen from taumatin, neohesperidin DC and/or glycyrrhizin taken in the weight ratio from 1:20000 to 1:100 with respect to paracetamol; (iv) soluble starch taken in the weight ratio from 1:10 to 1:1 with respect to paracetamol; (v) sucrose ester having value of hydrophilic-lipophilic balance (HLB) above 10 and taken in the weight ratio from 1:10 to 2:1 with respect to paracetamol, and (vi) glycine taken in the molar ratio from 1:4 to 2:1 with respect to paracetamol. Proposed composition provides effective taste masking or bitterness of paracetamol being especially in liquid preparations containing less 100 ml of water, and in using the combination of different masking agents also.

EFFECT: improved and valuable properties of composition.

10 cl, 3 tbl, 3 ex

FIELD: medicine.

SUBSTANCE: the present innovation deals with applying a preparation for preventing and treating influenza that contains methyl-1-adamantyl-methylamine hydrochloride, 2-ethylthiobenzimidazole hydrobromide and a pharmaceutically acceptable filler; moreover, it is of high curative effect and, also, increases protective body functions, endurance and recovery period by not deepening pathogenetic mechanisms caused by influenza virus at the following ratio of ingredients, weight%: methyl-1-adamantyl-methylamine hydrochloride 5-15; 2-ethylthiobenzimidazole hydrobromide 15-50; a filler- the rest.

EFFECT: higher efficiency of prophylaxis and therapy.

1 cl, 5 ex, 1 tbl

FIELD: medicine.

SUBSTANCE: the suggested compound being 3,6-dioxocyclohexa-1,4-dien-1,2,4,5-sodium tetra-sulfonate is of antihypoxic and cytoprotector action. Moreover, the composition has been suggested being of anti-grippe action. The composition declared includes remantadin and 3,6-dioxocyclohexa-1,4-dien-1,2,4,5- sodium tetrasulfonate.

EFFECT: the compound mentioned enables to decrease remantadin toxicity during its usage at high dosage during treating the grippe infection.

4 cl, 6 dwg

FIELD: medicine, virology, pharmacy.

SUBSTANCE: invention relates to using derivatives of dithiocarbamate of the formula: R1R2NCS2H and oxidized forms of these compounds, in particular, their dimmers and their pharmaceutically compatible salts for preparing an agent used in treatment or prophylaxis of infection caused by RNA-containing viruses that damage respiratory tract and inducing disease. Also, invention relates to a disinfecting agent containing dithiocarbamate compound and a method for disinfection of surfaces, media and cell cultures.

EFFECT: valuable medicinal properties of compounds.

19 cl, 14 dwg, 14 ex

FIELD: medicine, pharmacy.

SUBSTANCE: invention relates to a cycloferon-containing medicinal agent used in prophylaxis and treatment of influenza and acute respiratory diseases, herpetic infection, chronic viral hepatitis B and C and prophylaxis of oncological diseases. Agent comprises a physiological solution in the following ratio of components: 10-29 - 10-2 mg of cycloferon in 1 ml of physiological solution. Also, invention relates to a method for preparing this medicinal agent. Proposed medicinal agent enhances antiviral and antitumor activity of natural killers by 1.8-fold, not less.

EFFECT: improved preparing and using method, valuable medicinal properties of agent.

7 cl, 1 dwg, 19 ex

FIELD: biotechnology.

SUBSTANCE: claimed strain is obtained by hybridization of epidemic virus with cold adapted and temperature sensitive virus, which represents attenuation donor and is harmless for adults, and infants of 3-14 years old. Said virus makes it possible to obtain reassortant vaccine strains from new epidemic viruses. Strain is effectively cultivated in germinative hen embryos at 32°C, and has temperature sensitivity and cold adaptation. Reassortant has two genes derived from epidemic virus encoding surface proteins (hemagglutinin and neuroamidinase) and six genes derived from attenuation donor encoding non-glycosilated proteins. Strain has no reactogenicity in relation to adults and infants of 3-14 years old at intranasal application.

EFFECT: strain for living influenza intranasal vaccine with good biological properties and reactogenicity.

3 tbl, 2 ex

FIELD: medicine.

SUBSTANCE: one should perform the following stages: a) removal of contaminants out of plant; b) plant's reducing; c) treatment of reduced plant with laser radiation; d) suspending the mixture obtained at stage c) in water; e) maceration of suspension obtained at stage d) and f) separation of liquid developed. Composition should be obtained due to this technique. It should be applied at treating hepatitis C as an aqueous extract. It should be applied as aqueous extract as immunostimulant. Pharmaceutical preparation includes aqueous extract as an active constituent.

EFFECT: increased biological activity of the product.

43 cl, 16 ex, 1 tbl

FIELD: organic synthesis.

SUBSTANCE: invention provides group of novel antiviral nitrogen-containing compounds, in particular adamantane derivatives having general formula:

, wherein R represents chlorine or ethyl.

EFFECT: increased choice of biologically active compounds suitable for use in medicine as antiherpetic agents.

2 cl, 6 tbl, 3 ex

FIELD: organic chemistry, medicine, pharmacy, chemical technology.

SUBSTANCE: invention relates to novel substituted esters of 1H-indol-3-carboxylic acids of the general formula (1): or their racemates, or their optical isomers, or their pharmaceutical acceptable salts and/or hydrates. Compounds can be used in treatment of such diseases as infectious hepatitis, human immunodeficiency, atypical pneumonia and avian influenza. In compound of the general formula (1) R1, R41 and R42 each represents independently of one another a substitute of amino group chosen from hydrogen atom, optionally linear or branched alkyl comprising 3-12 carbon atoms, optionally substituted cycloalkyl comprising 3-10 carbon atoms, optionally substituted aryl or optionally substituted and possibly an annelated heterocyclyl that can be aromatic or nonaromatic and comprising from 3 to 10 carbon atom in ring with one or some heteroatoms chosen from nitrogen oxygen or sulfur atoms; or R41 and R42 in common with nitrogen atom to which they are bound form 5-10-membered azaheterocycle or guanidyl through R41 and R42; R2 represents an alkyl substitute chosen from hydrogen atom, optionally substituted mercapto group, optionally substituted amino group, optionally substituted hydroxyl; R3 represents lower alkyl; R5 represents a substitute of cyclic system chosen from hydrogen atom, halogen atom, cyano group, optionally substituted aryl or optionally substituted and possibly an annelated heterocycle that can be aromatic or nonaromatic and comprising from 3 to 10 atoms in ring with one or some heteroatoms chosen from nitrogen, oxygen or sulfur atoms. Also, invention relates to methods for treatment, drugs and pharmaceutical compositions using compounds of this invention.

EFFECT: valuable medicinal properties of compounds and pharmaceutical composition, improved method of synthesis.

22 cl, 3 tbl, 8 dwg, 6 ex

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