711 results about "Cyclopropane" patented technology

A pharmaceutical composition comprising Compound 1, (R)-1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)-N-(1-(2,3-dihydroxypropyl)-6-fluoro-2-(1-hydroxy-2-methylpropan-2-yl)-1H-indol-5-yl)cyclopropanecarboxamide, and at least one excipient selected from: a filler, a diluent, a disintegrant, a surfactant, a glidant and a lubricant, the composition being suitable for oral administration to a patient in need thereof to treat a CFTR mediated disease such as Cystic Fibrosis. Methods for treating a patient in need thereof include administering the pharmaceutical composition of Compound 1 are also disclosed.

The invention relates to the photoinitiator technical field, in particular to an oxime ester photoinitiator and a preparation method thereof. A carbazole oxime ester photoinitiator has a structural general formula as the right formula, R=formula (1), n=0-5, m=3 or 4, R radical is aliphatic ketone with cyclane, the cyclane is cycloaliphatic ring from cyclopropane to cyclooctane, branched-chain aliphatic hydrocarbon connects the cyclane and the ketone, and the chain usually has 0-6 carbon atoms. The carbazole oxime ester photoinitiator with the structure is a brand-new compound with good photoinitiator performance, and solves the problem of poor sensitivity, thermal stability and solubility of the existing carbazole oxime ester photoinitiators.

The invention relates the multicomponent mixed working substance used for preparing dual-temperature by single-machine vapor compression refrigerator. The low temperature is between -60- -40Deg.C and the high temperature is between -25- 10Deg.C. The multicomponent mixed working substance comprises lower boiling working substance and high boiling working substance. The lower boiling working substance comprises tetrafluoromethane, ethylene, ethane, fluoroethylene, trifluoromethane, fluoromethane, hydrofluoeic ether, carbon dioxide, difluoromethane and penfluoroethane; the high boiling working substance comprises trifluoro-thane, hydrofluoeic ether, propylene, propane, perfluoropropylamine, propadiene, cyclopropane, difluo-monochloromethane, penta-monochloroethane, perfluoroethane, difluoroethane, isobutene, butane, butylenes, isobutylene, sevofluoropropane, hexafluoropropane, penfluoropropane and tetrachloromonofluoroethane.

The invention relates to heavy metal resistance plant growth-promoting bacteria and a preparation applying method thereof, which belongs to the bioremediation field of heavy metal polluted environment. A bacteria strain D54 with a preservation number of CGMCC No. 3223 belongs to the Burkholderia sp. and has higher resistance to a plurality of heavy metals, wherein the resistances to Pb <2+>, Cd <2+>, Cu <2+>, Zn <2+> respectively reach 800 mg/L, 1500 mg/L, 150 mg/L and 2500 mg/L. In addition, the bacteria strain D54 has the plant growth-promoting functions of producing plant growth hormone (IAA), producing 1-amino-1-carboxyl cyclopropane (ACC) deaminase, secreting siderophore, dissolving inorganic phosphate, fixing nitrogen and the like, has the biological prevention functions of antagonizing plant pathogenic bacteria inbreak and the like, and can obviously improve the biomass of the plants applied the invention and improve the resistance to diseases and stresses. The number of the effective viable bacteria in liquid preparation reaches 1-2 billion/ml and the number of the effective viable bacteria in solid preparation reaches 1 billion/g. Soaking seeds for 1-2 hours in the liquidpreparation which is diluted 100 times and irrigating the diluted liquid preparation 1-2 times (10ml/kg) after 2-3 weeks of the sprouting of the seeds can effectively improve plant viable bacteria infection probability.

A carboxylic acid compound having cyclopropane ring(s) of the formula (I): wherein R is alkyl or alkenyl optionally having one or more 1,2-cyclopropylene in a carbon chain and/or optionally having cyclopropyl at the end of a chain, X is a single bond or alkylene, wherein the total number of carbon less the number of cyclopropane ring is 10-25, and a pharmaceutically acceptable salt thereof are provided. The compound (I) shows an LTP-like potentiation of synaptic transmission, allows slow metabolism in the living body, shows a stable LTP-like potentiation of synaptic transmission, and is useful as an agent for LTP-like potentiation of synaptic transmission, a cognition-enhancing drug or an agent for the prophylaxis and treatment of dementia, a learning and memory disorder and a neurotransmitter release disorder.

The invention relates to a preparation method for a tyrosine kinase inhibitor and a midbody thereof. According to the method, a compound 1,1-cyclopropane dicarboxylic acid diester is taken as a raw material, and 1-((4-((6,7-dimethoxy quinoline-4-yl) oxy) phenyl) carbamoyl) cyclopropane formic ether is prepared by two ways and reacts with p-fluoro aniline after being hydrolyzed so as to prepare Cabozantinib. The reaction conditions of the preparation method are mild, the synthesis cost is lowered, and the preparation method is simple and convenient to operate and is applicable to industrial production.

An object of the invention is to provide copolymers which have a double bond in a side chain and are substantially free of unsaturated bonds in the main chain, copolymers which have a cyclic structure and are substantially free of unsaturated bonds in the main chain, and processes for economically synthesizing these copolymers.

A copolymer of the invention is obtained by copolymerizing at least ethylene and a conjugated diene. In the copolymer, structural units derived from the conjugated diene represent 1 to 90 mol %. Structural units resulting from 1,2-addition of the conjugated diene and having a side-chain double bond represent 0 to 90 mol %, structural units resulting from 1,4-addition of the conjugated diene represent 0 to 3 mol %, structural units resulting from 1,3-addition of the conjugated diene represent 0 to 3 mol %, and the total of structural units resulting from 1,2-addition of the conjugated diene and having a 1,2-cyclopropane skeleton and structural units resulting from 1,2-addition of the conjugated diene and having a 1,2-cyclopentane skeleton represent 4 to 100 mol %.

The invention disclosed an aryl nitrile group thiazole derivative for inhibiting the activity of xanthine oxidase, a method for preparing the same and application thereof. In the aryl nitrile group thiazole, R1 is methyl, ethyl, propyl, isopropyl, isobutyl, methyl cyclopropane, methyl cyclobutane, isoamyl, methyl cyclopentane, methyl cyclohexane or aromatic ring methyl, R2 is methyl or trifluoromethyl, and R3 is formic acid, sodium formate, potassium formate, lithium formate, methyl formate, or ethyl formate. Simultaneously, the invention discloses a method for synthesizing the aryl nitrile group thiazole derivative by using inexpensive raw materials, which has the advantages of simple operation, high yield, easy purification of products, application to industrial production and the like, and can obtain an efficient compound with low toxicity through screening; besides, the effective compound is expected to be widely applied to inhibit the activity of the xanthine oxidase required on animals and humans, and to become a new generation of antigout drugs and hyperuricemia drugs with special effect.

The present invention discloses a novel synthetic method for F-acrylic acid and a derivative thereof. According to the process, ketene diethyl acetal with a molecular formula (2) CH2=C(OR1)2 is used for preparing 2-fluoride acrylic acid with a molecular formula (1) CH2=CF-CO2R and an ester thereof through a cyclopropane derivative with a molecular formula (3). According to the synthetic method disclosed by the invention, the synthetic method has the characteristics that the process is simple, the operability is high, raw materials used in preparation are cheap and the toxicity is low.

This invention is directed to the treatment of osteoporosis using N-(4-{[6,7-bis(methyloxy)quinolin-4-yl]oxy}phenyl)-N′-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide.

The invention relates to a medicine producing field, specifically, to an improved producing method of antibacterial medicine nifuratel. The method makes use of thiourea as initial material to produce nifuratel. The improvement is that it is no longer to use methyl mercaptan or methomyl in the known method while producing the intermediate 2-(methylthiomethyl)hydropropane. Furthermore, the invention is no longer to use metal natrium in the known method when the 3-methylthio-2-hydroxy-propylhydrazine and diethyl carbonate are heated to produce N-amido-5-methylthiomethyl-2-oxazolidone in the existance of alkali. All of the improvements largely improve the preparation of the nifuratel, especially for the production condition in a large scale, reduce the environment pollution and benefit to ensure the production safety.

Improved aromachemical derivatives, and fragrances and flavorings including the derivatives, that have a longer useful shelf life than the aromachemicals from which they can be derived, are disclosed. In particular, the derivatives maintain the fragrance characteristics of the aromachemicals, while lowering the allergic properties, increasing the stability, and/or increasing the odor intensity. Also disclosed are methods of making the derivatives, and articles of manufacture including the derivatives. In one embodiment, the derivatives are prepared by replacing one or more double bonds in citral with a thioether, cyclopropyl, oxirane, or thiirane group. The cyclopropane ring can be unsubstituted, or substituted with one or two lower alkyl, preferably methyl groups. The alkyl groups can optionally be substituted, for example, with electron donating groups, electron with drawing groups, groups which increase the hydrophilicity or hydrophobocity, and the like. In another embodiment, the derivatives are prepared by replacing the aldehyde group in the essential oil with a nitrile, methyl ether or acetal group. The acetal groups can provide the compounds with a long lasting flavor or fragrance, where the acetals slowly hydrolyze to provide the aldehyde group in the parent essential oil. In some embodiments, both the aldehyde and at least one of the double bond functional groups are both derivatized as described herein. Examples of suitable articles of manufacture include candles, air fresheners, perfumes, disinfectant compositions, hypochlorite (bleach) compositions, beverages such as beer and soda, denture cleanser tablets and flavored orally-delivered products such as lozenges, candies, and the like.

The present invention discloses four crystal forms of a JAK inhibitor N-(5-(4-(1,1-dioxothiomorpholinyl)methyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide, and methods for preparing the four crystal forms, wherein the four crystal forms respectively are a crystal form H1, a crystal form H2, a crystal form H3 and a crystal form H4, the crystal form H1 has the characteristic absorption peaks when the diffraction angle 2[theta] is 8.3 DEG, 11.2 DEG, 16.0 DEG, 17.5 DEG, 18.5 DEG, 19.3 DEG, 19.7 DEG, 20.0 DEG, 20.7 DEG, 22.0 DEG and the like, the crystal form H2 has the characteristic absorption peaks when the diffraction angle 2[theta] is 9.3 DEG, 12.8 DEG, 14.0 DEG, 16.4 DEG, 18.7 DEG, 20.5 DEG, 23.5 DEG, 29.4 DEG, 33.1 DEG, 33.4 DEG and the like, the crystal form H3 has the characteristic absorption peaks when the diffraction angle 2[theta] is 9.6 DEG, 9.8 DEG, 10.7 DEG, 15.1 DEG, 15.3 DEG, 16.8 DEG, 16.9 DEG, 19.8 DEG, 20.0 DEG, 24.9 DEG and the like, and the crystal form H1 has the characteristic absorption peaks when the diffraction angle 2[theta] is 8.6 DEG C, 9.6 DEG, 10.5 DEG, 12.9 DEG, 15.1 DEG, 17.2 DEG, 18.9 DEG, 19.9 DEG, 20.7 DEG, 23.8 DEG and the like. According to the present invention, the four crystal forms have advantages of excellent physical and chemical properties, good stability, simple preparation operation and the like, are suitable for pharmaceutical formulation applications.

Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.

A novel refrigerant composition useful as a substitute for HCFC-22, comprising a first constituent of difluoromethane (CH2F2, HFC-32); a second constituent of pentafluoroethane (CHF2CF3, HFC-125); a third constituent of 1,1,1-trifluoroethane (CH3CF3, HFC-143a); a fourth constituent selected from the group consisting of cyclopropane (C3H6, RC-270), 1,1,1,2,3,3,3-heptafluoropropane (CF3CHFCF3, HFC-227ea), 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245cb), isobutane (CH(CH3)2CH3, R-600a), octafluorocyclobutane (C4F8, RC-318), 1,1,1,2,3,3-hexafluoropropane (CHF2CHFCF3, HFC-236ea), butane (C4H10, R-600), bis(difluoromethyl)ether (CHF2OCHF2, HFE-134) and pentafluoroethylmethylether (CF3CF2OCH3, HFE-245).

The invention discloses a method using a micro reactor to prepare 1-chloro-1'-chloroacetyl cyclopropane. The reactions can be carried out in the presence or absence of a solvent. According to the preparation method, 1-chloro-1'-acetyl cyclopropane and chlorine gas are pumped into a micro reaction channel to carry out reactions by a feed pump according to a certain ratio. The device comprises a raw material bottle, a feed pump, a pre-heating or pre-cooling pipe, a micro reactor, a time delay pipe, a temperature controlling device, a counterbalance valve, and a product receiver. A micro reactor, which can quickly mix the raw materials and has a good heat exchange effect, is used as the reaction device; so that 1-chloro-1'-acetyl cyclopropane and chlorine gas can carry out high selective(alpha-position hydrogen atom) chlorination reactions in a micro channel under high speed and efficient mixing to generate 1-chloro-1'-chloroacetyl cyclopropane. The provided method has the advantages of simple operation, mild conditions, high selectivity, and low energy consumption; compared with the conventional reactions, the using amount of solvent is reduced, and moreover, the method is environment-friendly and can be easily applied to industrialization.

The invention discloses a method for catalytically preparing a spiral [cyclopropane-1,3'- indole] compound. According to the method, silicon amino rare earth compounds of [(Me3Si)2N]3Ln(mu-Cl)Li(THF)3 is used as a catalyst for catalytically replacing isatin, phosphite ester and olefin to prepare a product through one-pot reaction; in the catalyst, (Me3Si)2N represents trimethyl silicon amino; Ln represents positive trivalent rare earth metal irons and are one kind of metal irons selected from lanthanum, samarium, gadolinium, erbium or ytterbium; mu- represents a bridge key; THF represents tetrahydrofuran. In the method, the synthesis method of the catalyst is simple; the reaction raw materials are simple and can be easily obtained; the application range of a substrate is wide; the efficiency of the one-pot reaction method is high; the reaction conditions are mild; the yield of most target products can reach 85 percent or higher.