Antidote for carbon monoxide
SUBSTANCE: invention refers to medicine, namely to carbon monoxide antidote, which is 1-butyl-5-oxyiminopergidropyrimidin-2,4,6-trionata zinc acetate with structural formula: .
EFFECT: invention can be used for treating and preventing of carbon monoxide (CO) poisoning, as well as for treatment of hypoxic states of various aetiology.
1 cl, 9 tbl, 6 ex
SUBSTANCE: invention relates to the electroluminescent device. The device contains hole injecting layer, hole transport layer, electronic block layer, active luminescent layer based on luminescent substance, hole-block layer, electronic transport layer, electronic injecting layer. As the luminescent substance it contains bis[2-(N-tosylamino)-benzylidene-2-aminopyridinato] of zinc (II) of formula I: .
EFFECT: electroluminescent device based on chelate complexes of zinc of azometin derivants 2-(N-tosylaminobenzaldehyde), emitting in yellow-green spectrum.
6 dwg, 1 tbl, 1 ex
SUBSTANCE: invention relates to chemistry and chemical technology, namely to synthesis of modified silicagels, containing molecules of substituted phthalocyanines covalently bound with them, and their application for water photoremediation. Method of water photoremediation with application of radiation of visible range in presence of oxygen and heterogenic sensibiliser of general formula: , where R=H is either SPh; X is anion; n=4-8; M=Zn, AlL, GaL, SiLz; L=Cl, OH; M=1-4.
EFFECT: invention makes it possible to carry out efficient purification of water from bacteriological contamination.
2 cl, 3 tbl, 11 ex
SUBSTANCE: invention relates to zinc complexes of 5-[2-hydroxy(tosylamino)benzylidene-amino]-2-(2-tosylaminophenyl)-1-alkylbenzimidazoles of general formula I , where R = alkyl C1-C6; X=O, ; .
EFFECT: compounds I exhibit luminescent properties and can be used as luminophores for producing organic light-emitting diodes emitting white and visible light.
SUBSTANCE: invention relates to novel metal chelates, namely to zinc and cadmium complexes of tetradentate azomethines of 2-tosylaminebenzaldehyde and dioxydiamines of formula I , where m=2-4, n=2-4, M=Zn, Cd.
EFFECT: metal-complex compounds I demonstrate photoluminiscent properties in the blue spectrum region and can be used as an electroluminescent layer in the creation of organic light-emitting diodes (OLED) of white and visible light.
4 cl, 5 ex
SUBSTANCE: claimed is a silicon-zinc-containing glycerohydrogel, possessing a wound healing, regenerative and antibacterial activity, a composition of which corresponds to formula kSi(C3H7O3)4·ZnC3H6O3·xC3H8O3·yH2O, where 1≤k≤4, 7≤x≤26, 20≤y≤100, obtained by interaction of tetraglycerolate of silicon in excess of glycerol Si(C3H7O3)4·xC3H8O3, where 0,5≤x≤10, monoglycerolate of zinc in abundance of glycerol ZnC3H6O3·6C3H8O3 and water in molar ratio Si(C3H7O3)4:ZnC3H6O3:C3H8O3:H2O equal to (1÷4):1:(7÷26):(20÷100) at a temperature of 20-40°C and intensive mixing.
EFFECT: claimed silicon-zinc-containing glycerohydrogel possesses the wound healing, regenerative and antibacterial activity, is simple to obtain and convenient in application.
1 tbl, 6 ex
SUBSTANCE: invention relates to novel compounds in a series of chelate complexes of zinc with azomethine derivatives, namely to bis[2-(N-tozylamino)benzyliden-4'-dimethylaminophenyliminato]zinc(II) of formula I Also claimed is electroluminescent device.
EFFECT: invention makes it possible to obtain compounds, demonstrating electroluminescent properties with high brightness.
2 cl, 3 dwg, 1 tbl, 2 ex
SUBSTANCE: described are 15-crown-5- and dithia-18-crown-6-containig 2-methyl-9-styryl phenanthrolines of formula: where as optical sensors on cations of calcium, barium and lead. Claimed compounds are obtained by interaction of ligand of 15-crown-5 or dithia-18-crown-6-containing 2-methyl-9-styryl phenanthroline with zinc perchlorate in acetonitrile with irradiation with red light.
EFFECT: complexes possess properties of highly efficient fluorescent sensors on cations of calcium, barium and lead, which make it possible to visually determine metal cation.
2 cl, 2 tbl, 2 ex
SUBSTANCE: invention relates to zinc complex of asymmetric ethylenediamine-N,N-dipropyonic acid dichloride of formula Also claimed is method of its obtaining. Complex can be applied for solution of problems, associated with the necessity to introduce Zn2+ in chelate form instead of its mineral salts, as well as to serve as initial product for synthesis of other chemical compounds of series of polydentate ligands, in particular asymmetric ethylenediamine-N,N-dipropyonic acid.
EFFECT: obtaining zinc complex of asymmetric ethylenediamine-N,N-dipropyonic acid dichloride.
4 cl, 4 dwg, 3 ex
SUBSTANCE: invention refers to a compound having general formula (I),
where: m and n are independent integer numbers of 1 to 6; each of X1-X3 and Y1-Y3 is O; each of R1-R3 is independently chosen from a group consisting of hydrogen or alkyl; and R is O-(CH2)x-C(-O)NR'-(CH2)y-NHR'. Besides, x and y are independent integer numbers of 1 to 6; and R' is chosen from the group consisting of hydrogen and alkyl. In addition, an antibody containing an antigen recognition area, use of the compound, pharmaceutical composition, use of the antibody, method for MMP-2 or MMP-9 activity inhibition in a sample and a composition for determining MMP-2 or MMP-9 are proposed.
EFFECT: invention allows obtaining compounds that are able to inhibit MMP-2 or MMP-9 activity.
11 cl, 16 dwg, 4 tbl, 11 ex
SUBSTANCE: invention relates to molecular complexes of zinc and cadmium bis(1-phenyl-3-methyl-4-formyl-5-pyrazolonate) with amino-derivatives of nitric heterocycles of general formula (I) (NH2-Het)n, where NH2-Het is 1-aminoisoquinoline, 3-aminoquinoline, 6-aminoquinoline, 5-amino-4,6-dimethylquinoline, 2-aminopyridine, 2-amino-5-bromopyridine, 3-amino-5-methylisoxazole, 2-amino-1-ethylbenzimidazole, M is Zn, Cd, n=1, 2.
EFFECT: molecular complexes of formula (I) exhibit luminescent properties in the blue region of the spectrum and can be used as phosphors for making organic light-emitting diodes of white and visible light.
SUBSTANCE: invention relates to a method of purifying barbituric acid. The method involves dissolving barbituric acid in distilled water at temperature of 70-90°C to concentration of 1-10 wt %, subsequently adding 9-30 wt % aluminium oxide while stirring, holding at that temperature for 10-30 minutes, followed by filtration and cooling the filtrate to temperature of 5-10°C. Crystals of barbituric acid formed at that temperature are filtered off and dried.
EFFECT: obtaining barbituric acid with high degree of purity and high output.
1 tbl, 24 ex
FIELD: organic chemistry, biochemistry, pharmacy.
SUBSTANCE: invention relates to new compounds of the formula (I):
eliciting inhibitory activity with respect to metalloproteinases and wherein R1 means phenoxy-group wherein phenyl residue can be substituted with one or some halogen atoms, hydroxy-, (C1-C6)-alkoxy-group, (C1-C6)-alkyl, cyano- or nitro-group; R2 means pyrimidine, pyrazine or its N-oxide or phenyl substituted with -SO2NR3R4 wherein R3 and R4 can be similar or different and mean hydrogen atom, direct-chain or branch-chain (C1-C6)-alkyl that can be substituted once or some times with the group OH, N(CH3)2, or it can be broken by oxygen atom, or it represents COR5 wherein R5 means (C1-C)-alkyl group that can be substituted with NH2. Also, invention relates to a pharmaceutical composition comprising above said compounds.
EFFECT: valuable biochemical properties of compounds and composition.
5 cl, 1 sch, 1 tbl, 10 ex
with immunotropic activity
showing immunotropic activity
SUBSTANCE: what is presented is a method for acute exposure to organophosphates with pronounced non-anticholinesterase mode of toxicity. A method consists in preventive administration of β-oestradiol 100 mg/kg 20-60 min prior to application of the toxic agent organophosphate.
EFFECT: reducing the manifestations of first signs of the exposure, developing convulsions and complete elimination of animals' death experimentally, administering β-oestradiol 5 days or 1 day before the exposure has not been producing such an effect.