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β-cyclodextrine clathrate complex with 5-hydroxy-4-aminomethyl-1 -cyclohexyl(or cycloheptyl)-3-alkoxycarbonylindole derivative, method for preparing it (versions), pharmaceutical composition and drug. RU patent 2464042. |
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FIELD: medicine, pharmaceutics. SUBSTANCE: invention refers to a new β-cyclodextrine clathrate complex (an inclusion compound) with 5-hydroxy-4-aminomethyl-1-cyclohexyl(or cycloheptyl)-3-alkoxycarbonylindole derivative: β-cyclodextrine 1:1 to 1:5, preferentially at the relation of 1:1 to 1:3 of general formula (I): wherein X means - hydrogen, chlorine, iodine, n=1 or 2, R3-C1-C3 alkyl, ALK means C1-C6 alkyl group, R1, R2 are independently specified in C1-C4-alkyl, preferentially methyl, or R1 and R2 together with a nitrogen atom (i.e. group - NR1R2) means the groups described by formulas: wherein Bn is benzyl, a Ph is phenyl with the molar ratio of 5-hydroxy-4-aminomethyl-1-cyclohexyl(or cycloheptyl)-3-alkoxycarbonylindole derivative: β-cyclodextrine 1:1 to 1:5, preferentially 1:1 to 1:3, especially preferentially in the relation of 1:2. The clathrate complex may represent nanoparticles of size not less than 100 nm. There are preferential clathrate complexes wherein 5-hydroxy-4-aminomethyl-1-cyclohexyl(or cycloheptyl)-3-alkoxycarbonylindole derivative represents 1-cyclohexyl-4-aminomethyl-5-hydroxy-2-methyl-1H-indole-3-carboxylic acid ethyl ester. The new clathrate complexes possess antiviral action and exhibit high activity versus influenza viruses. The invention also involves a pharmaceutical composition and a drug based on the clathrate complexes. Besides, the invention refers to liquid-phase and solid-phase synthesis of the clathrate complexes. EFFECT: preparing the compounds which possess antiviral action and exhibit high activity versus influenza viruses. 20 cl, 2 ex, 2 tbl, 8 dwg
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Clathrate complexes of beta-cyclodextrin with 1-{[6-bromo-1-methyl-5-methoxy-2-phenylthiomethyl-1-h-indol-3-yl]carbonyl}-4-benzylpiperazine, having antiviral activity, synthesis and use thereof / 2448120 Invention relates to a novel clathrate complex of β-cyclodextrin with 1-{[6-bromo-1-methyl-5-methoxy-2-phehylthiomethyl-1-H-indol-3-yl]carbonyl}-4-benzylpiperazine of formula : with molar ratio 1-{[6-bromo-1-methyl-5-methoxy-2-phehylthiomethyl-1-H-indol-3-yl]carbonyl}-4-benzylpiperazine: β-cyclodextrin from 1:1 to 1:10, synthesis method and use thereof as an antiviral agent for treating influenza. The disclosed method involves mixing solutions of β-cyclodextrin and 1-{[6-bromo-1-methyl-5-methoxy-2-phehylthiomethyl-1-H-indol-3-yl]carbonyl}-4-benzylpiperazine in molar ratio from 1:1 to 1:10 while stirring and heating to temperature not higher than 70°C and then maintaining said conditions until a homogeneous solution is obtained and extraction of the obtained complex. |
Method of intensifying antiaggregant activity / 2440370 Method of intensifying antiaggregant activity in an experiment involves use of a chemical compound which is a conjugate of beta-cyclodextrin with acetylsalicylic acid. |
Complexes with inclusion of cyclodextrin and methods of their obtaining / 2362785 Method of obtaining complex with inclusion of cyclodextrin can include dry mixing of cyclodextrin and hydrocolloid for formation of dry mixture and mixing solvent and guest with dry mixture for formation of complex with inclusion of cyclodextrin. In some versions of realisation method of obtaining complex with inclusion of cyclodextrin can include mixing of cyclodextrin and hydrocolloid for formation of first mixture, mixing of first mixture with solvent for formation of second mixture and mixing of quest with second mixture for formation of third mixture. |
Cyclodextrin clathrate complex with acetic acid / 2339649 Molar ratio of cyclodextrin to the acid in the complex comprises 1:1. The complex is obtained by introduction of concentrated water cyclodextrin solution heated to boiling point to glacial acetic acid of room temperature, with further separation and drying of crystalline sediment. Complex of α- or β-cyclodextrin with acetic acid is stable in dry state, but in water solution it is decomposed into components. Obtained solution gains properties of dilated acetic acid, and therefore can be used as flavouring in food concentrates, as preservation agent, solution acidity regulator, and as buffer component in biochemistry and analytical chemistry. |
Cyclodextrene-based polymers for therapeutics delivery / 2332425 Invention relates to cyclodextrin-containing polymeric compounds, which are carriers for delivery of therapeutics, and pharmaceutical preparations based on them. Invention also relates to method of treating subjects with therapeutically effective quantity of said cyclodextrin-containing polymeric compound. Claimed cyclodextrin-containing polymers improve medication stability, increase its solubility and reduce toxicity of therapeutics when used in vivo. Furthermore, by selecting from a variety of linker groups and targeting ligands of said polymers it is possible to realise controlled delivery of therapeutic agents. |
Inclusion complex of elemental sulfur with cyclodextrin / 2321598 Invention relates to the inclusion complex of cyclodextrins with elemental sulfur. Complex can be prepared using different homologues of cyclodextrins, for example, beta- and gamma-cyclodextrins and hydroxypropylated forms of gamma- and beta-cyclodextrins. Proposed complex can be used as a biologically active compound for medicinal, veterinary and agricultural designation. Invention provides the possibility for further preparing true solutions of elemental sulfur in water in the concentration up to 250-300 mg/l. |
Method for preparing immobilized β-cyclodextrin / 2295539 Invention describes a method for preparing immobilized β-cyclodextrin. Method involves pretreatment of organic and inorganic sorbents - polyvinyl alcohol and sorbitol based on silica with glutaraldehyde for incorporation of aldehyde group molecules into sorbents, washing out with water and dimethylsulfoxide on glass porous filter, drying on glass porous filter followed by addition of prepared sorbents to dimethylsulfoxide solution containing dissolved β-cyclodextrin in the ratio sorbent : β-cyclodextrin : dimethylsulfoxide = 1.0:(0.4- 2.0);10, respectively, stirring the prepared suspension at temperature 25-70°C for 30-180 min, washing out and drying. Method provides preparing an insoluble sorbent with immobilized β-cyclodextrin used for removing cholesterol or its derivatives. |
Derivatives of 6-mercaptocyclodextrin: reversing agents for drug- induced neuromuscular blockade / 2260013 Invention describes a derivative of 6-mercaptocyclodextrin of the general formula (I): |
Method of producing ethyl ether of 6-bromo-5-hydroxy-4-dimethyl aminomethyl-1-methyl-2-phenylthiomethylindole-3-carboxylic acid hydrochloride monohydrate in α-crystalline form / 2448091 Invention relates to a novel α-crystalline form of ethyl ether of 6-bromo-5-hydroxy-4-dimethyl aminomethyl-1-methyl-2-phenylthiomethylindole-3-carboxylic acid hydrochloride monohydrate, which is characterised by the following X-ray diffraction parameters |
Isoserine derivatives applied as blood coagulation factor ixa inhibitors / 2446157 Present invention refers to compounds of formula I |
Medication against b influenza virus / 2435582 Invention relates to field of medicine and pharmacology and deals with medication against influenza B virus, representing hydrochloride 1-{[6-bromine-1-methyl-5-methoxy-2-phenylthiomethyl-1-H-indole-3-yl]carbonyl}-4-benzylpiperazine. |
Novel condensed pyrrole derivatives / 2434853 Invention relates to compounds of formula (1) (lb) in which A denotes a benzene ring; Ar denotes naphthalenyl which optionally contains 1-3 substitutes independently selected from a group comprising C1-C6alkyl, C3-C7cycloalkyl, C3-C7cycloalkyl-C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, hydroxy group, C1-C6alkoxy group, halogen, heteroalkyl, heteroalkoxy group, nitro group, cyano group, amino- and mono- or di- C1-C6alkyl-substuted amino group; R1 denotes hydrogen, halogen, C1-C6alkyl, C1-C6alkoxy group, carboxy group, heteroalkyl, hydroxy group optionally substituted with heterocyclylcarbonyl-C1-C6alkyl or R1 denotes N(R')(R")-C1-C6alkyl or N(R')(R")-carbonyl- C1-C6alkyl-, in which R' and R" are independently selected from a group comprising hydrogen, C1-C6alkyl, C3-C7cycloalkyl, C3-C7cycloalkyl-C1-C6alkyl, heteroalkyl, phenyl-C1-C6alkyl; or R1 denotes R'-CO-N(R")-C1-C6alkyl, R'-O-CO-N(R")- C1-C6alkyl- or R'-SO2-N(R")- C1-C6alkyl-, in which R' and R" are independently selected from a group comprising hydrogen, C1-C6alkyl, C3-C7cyclalkyl, C3-C7cycloalkyl- C1-C6alkyl or optionally substituted phenyl; R2, R2' and R2" independently denote hydrogen, halogen, cyano group, C1-C6alkyl, halogenated C1-C6alkyl or C1-C6alkoxy group; n equals 1; and pharmaceutically acceptable salts thereof. The invention also relates to use of compounds in any of claims 1-9, as well as to a pharmaceutical composition. |
Method of producing perindopril and pharmaceutically acceptable salts thereof / 2433998 Invention relates to an improved method of producing perindopril of formula (I) or pharmaceutically acceptable salts thereof, protected compound |
5-substituted indole-3-carboxylic acid derivatives, having antiviral activity, synthesis method thereof and use / 2387642 Agent is a 6-bromo-5-methoxy-indole-3-carboxylic acid derivative of general formula (I) , where B is a N(R)2 group, where both R groups together with the nitrogen atom to which they are bonded form a 5-6-member heterocyclic ring containing 1-2 heteroatoms selected from nitrogen, such as pyrrolidine, piperidine, piperazine or morpholine, where each of the said heterocyclic rings can be substituted with C1-4alkyl, phenyl, benzyl, phenethyl, carbonylamino, -COOC1-4alkyl group or -COOC1-4alkyl group and phenyl, which can also be substituted or have substitutes selected from halogen, C1-4alkyl, C1-4alkoxy, and alkyl in the said groups can be linear or branched; R1 is C1-4alkyl, phenyl, possibly substituted with C1-4alkyl or C1-4alkoxy, halogen atoms; R2 is -S-phenyl, -S-benzyl, -O-phenyl, where in each of the said groups, the phenyl ring is possibly substituted with C1-4alkyl, C1-4alkoxy, halogen atoms, or R2 denotes a -N(R)2 group, or pharmaceutically acceptable salts thereof. |
Novel crystalline form of perindopril / 2387641 Invention relates to a novel crystalline form of perindopril of formula I: . Also proposed are methods for synthesis of amorphous and crystalline perindopril using starting substance in form of stereospecific amino acid, N-[(S)-carbethoxy-1-butyl]-(S)-alanine, which is protected by a trimethylsilyl group and converted to reactive acid chloride using thionyl chloride or its complex with 1-H-benzotriazole (1:1), which reacts with (2S, 3aS, 7aS)-octahydroindole-2-carboxylic acid, having a protected carboxy group. The invention also relates to a pharmaceutical composition based on the said crystalline form of perindopril. |
Derivatives of 5-hydroxy-4-aminomethyl-1-cyclohexyl (or cycloheptyl)-3-alkoxycarbonylindoles, pharmaceutically acceptable salts thereof, having antiviral activity and method of producing said compounds / 2386616 Invention relates to an agent which has antiviral activity towards influenza A virus, which is a derivative of 5-hydroxy-4-aminomethyl-1-cyclohexyl (or cycloheptyl)-3-alkoxycarbonylindoles of general formula (I) , where X denotes - H; n=1, 2; R3 denotes C1-C5alkyl; Alk denotes C1-C6alkyl; R1 and R2 are independently selected from C1-C4-alkyl, mainly CH3, or its pharmaceutically acceptable salts. |
Novel crystalline form of (3-cyano-1n-indol-7-yl)-[4-(4-fluorophenethyl)piperazin-1-yl]methanone hydrochloride / 2383532 Invention relates to crystalline form of B (3-cyano-1N-indol-7-yl)-[4-(4-fluorophenethyl)piperazin-1-yl] methanone hydrochloride, as well as to synthesis method thereof by passing HCl gas through a solution of (3-cyano-1N-indol-7-yl)-[4-(4-fluorophenethyl)piperazin-1-yl] methanone, separating the formed residue from the reaction mixture and drying. |
3-amino-1-arylpropylindoles applied as inhibitor monoamine reuptake / 2382031 Invention refers to new 3-amino-1-arylpropylindoles of formula I: or to its pharmaceutically acceptable salts, where: p is equal to 1 or 2; Ar means: indolyl, 2,3-dihydroindolyl, indazolyl, benzimidazolyl, benzofuranyl, and each can be substituted; R1 means: phenyl, naphthyl, thienyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, thiazolyl, isoxazolyl, pyrazolyl, quinolinyl, aryl-C1-6alkyl where each can be substituted; C3-6cycloalkyl; branched C1-6alkyl; R2 and R3 each independently stands for: H, C1-6alkyl; OH-C1-6alkyl; benzyl; or R2 and R3 together with nitrogen atom whereto attached can form optionally substituted tetra-heptamerous ring, optionally with additional heteroatom chosen from N, O; Ra means H, C1-6alkyl; Rb means H, C1-6alkyl; OH; Rc and Rd each independently means H, C1-6alkyl; Or one of R2 and R3 together with one of Ra and Rb and atoms whereto attached can form penta- or hexamerous ring, optionally with additional heteroatom chosen from O, N; or one of R2 and R3 together with one of Rc and Rd together with atoms whereto attached, can form tetra-hexamerous ring, optinally with additional heteroatom chosen from O, N; Rc means H, C1-6alkyl; provided when p =1, Ra, Rb, Rc and Rd mean H, Ar means indole-1-yl and R1 means C6H5, then R2 and R3 do not mean CH3 and do not form hexamerous ring, and when Ar means indole-3-yl, p =1, Ra, Rb, Rc and Rd means H and R1 means C6H5-, 3-OCH3C6H5- then R2 and R3 do not mean simultaneously H, and when p =1, Ra, Rb, Rc and Rd mean H, Ar means indolyl and R1 means thienyl, pyridinyl, quinolinyl, then one of R2 and R3 means H, and another means C1-6alkyl where possible substitutes are presented in cl.1 of. |
Method for filed transistor manufacturing / 2463682 Field transistor manufacturing method includes creation of source and drain contacts, active area identification, application of a dielectric film onto the contact layer surface, formation of a submicron chink in the dielectric film for the needs of subsequent operations of contact layer etching and application of gate metal through the resistance mask; immediately after the dielectric film application one performs lithography for opening windows in the dielectric at least one edge whereof coincides with the Schottky gates location in the transistor being manufactured; after the window opening a second dielectric layer is applied onto the whole of the surface with the resistance removed; then, by way of repeated lithography, windows in the resistance are created, surrounding the chinks formed between the two dielectrics; selective etching of the contact layer is performed with metal films sprayed on to form the gates. |
Method and device to produce multilayer composite nanostructured coatings and materials / 2463382 Method includes placement of a substrate in a vacuum chamber, ion etching of a substrate and deposition of a material onto a substrate by PVD method in a medium of working gas. For deposition at least two electric arc plasma sources are used with flow separation, besides, at least one of them is equipped with a cathode of refractory metal. At the same time a pulse gas discharge is generated in a vacuum chamber, and during material deposition the substrate is moved between plasma sources, and the working gas contains a mixture of chemically active and inert gases. The device for method realisation comprises a vacuum chamber with a vertical axis, a plasma PVD source, an electrically conducting substrate holder fixed on a displacement mechanism, a high-voltage source of supply joined by one pole with a holder, and by the other one with the vacuum chamber body, and a system of working gas supply to the vacuum chamber. At the same time the plasma source in the PVD device is represented by at least two electric arc sources of plasma with flow separation, installed on side surfaces of the vacuum chamber and directed at its vertical axis. The displacement mechanism is installed as capable of substrate holder movement along the circumference with an axis matching the axis of the vacuum chamber. |
Adhesive composition / 2463327 Invention relates to an adhesive composition based on a chlorine-containing polymer for gluing components of protective suits and equipment for protecting respiratory organs made from rubber materials. The adhesive composition contains chloroprene rubber, zinc oxide and solvents such as gasoline and ethyl acetate. The adhesive composition additionally contains magnesium oxide, thiuram and silicon oxide hydrosol. |
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