17 results about "Phenylacetate" patented technology

The invention discloses a positive pole piece and a preparation method thereof, a diaphragm-free battery and a battery. The positive pole piece comprises a positive pole current collector and a positive pole active material layer arranged on at least one side of the positive pole current collector, the positive pole active material layer comprises a polymer, and the polymer is formed by polymerizing at least one of small molecules of the following raw material components: vinylethylene carbonate, vinylene carbonate, 2, 3, 4-trimethyl-1, 3-pentanedione, 2, 3, 4-trimethyl-1, 3-pentanedione and 2, 3, 4-trimethyl-1, 3-pentanedione. The adhesive is prepared from 2, 4-hexadienoic acid, allyl trifluoroacetate, diethyl allylmalonate, allyl methacrylate, allyl chloroformate, allyl phenylacetate, allyl acetate, allyl 4-hydroxybenzoate and allyl phenoxyacetate. The adhesive is prepared from the following raw materials: 1, 4-hexadienoic acid, allyl trifluoroacetate, diethyl allylmalonate, allyl methacrylate, allyl chloroformate, allyl phenylacetate, allyl acetate, allyl 4-hydroxybenzoate and allyl phenoxyacetate. The positive pole piece provided by the invention comprises the polymer, so that the interface impedance can be reduced, and the rate capability of the battery can be improved.

The present invention relates to a technique for masking unpleasant odor (off-flavor) generated from a food or beverage. One embodiment of the present invention provides an unpleasant odor (off-flavor) suppressing agent, a fragrance composition, a food or beverage in which an unpleasant odor (off-flavor) is masked, a production method of the food or beverage, and a method for masking an unpleasant odor (off-flavor). The present invention makes it possible to suppress an unpleasant odor (off-flavor) of a food or beverage by using, as active ingredient, one or more selected from the group consisting of oleic acid, β-damascenone, 4-methyl-2-phenyl-2-pentenal, menthyl 3-hydroxybutyrate, dimethyl benzyl carbinyl butyrate and methyl 4-tert-butyl phenylacetate.

The invention discloses a near-infrared fluorescent probe for detecting hydrazine as well as a preparation method and application of the near-infrared fluorescent probe, and belongs to the technical field of fluorescent probe detection and analysis of hydrazine. The near-infrared fluorescent probe for detecting hydrazine is (E)-2-bromo-4-(2-(3-(dicyanomethyl)-5, 5-dimethylcyclohex-1-ene-1-yl) vinyl) phenylacetate (HB), and the structural formula of the near-infrared fluorescent probe is shown in the specification. The invention also specifically discloses a preparation method of the near-infrared fluorescent probe for detecting hydrazine and application of the near-infrared fluorescent probe for detecting hydrazine in simultaneous rapid and high-selectivity identification of hydrazine and preparation of a hydrazine imaging detection reagent in an organism. The fluorescent probe prepared by the invention can realize colorimetric and fluorescence detection of hydrazine, is fast in response, low in detection limit and high in selectivity, and can be used for detection of hydrazine in an aqueous solution and imaging of hydrazine in a living body. When the probe is combined with different fluorescent equipment, the sample detection rate and the imaging effect of in-vivo hydrazine detection can be effectively improved.

The application relates to the technical field of catalytic materials, and relates to an organic photocatalytic material and a preparation method thereof.1, comprising the following steps: mixing modified N-hydroxy phthalimide phenylacetate, an aliphatic nitroalkane, 2,6-dimethylpyridine, a photocatalyst and a solvent, then irradiating under visible light, placing in an inert atmosphere, stirring for 2-8 hours, and obtaining a product through post-treatment to obtain a final product; the mass ratio of the modified N-hydroxy phthalimide phenylacetate, the nitro compound, the 2,6-dimethylpyridine, the photocatalyst and the solvent is 2-5:1-2:1-3:1:8-11. The visible light catalysis method can be used to synthesize the nitro compound under mild conditions, and further provides a green and efficient new path for the preparation of a nitrogen-containing drug intermediate.

5′-O-Phenylacetyluridine effectively delivers both phenylacetate and uridine to a subject. It can be used to treat hepatic encephalopathy and genetic disorders of the hepatic nitrogen cycle.

The invention relates to the technical field of synthesis of medical intermediates, spices or food additives, in particular to a preparation method of ethyl 4-bromophenylacetate. The preparation method comprises the following steps: (1) adding p-bromophenylacetic acid, ethanol, a water-carrying agent and an acid catalyst into a reactor, heating to reflux for reaction, and separating and removing water in the reaction process; (2) after the reaction is finished, concentrating a reaction solution to recover the water-carrying agent, so as to obtain a crude product of ethyl 4-bromophenylacetate; and (3) carrying out reduced pressure distillation on the ethyl 4-bromophenylacetate crude product, and collecting fractions at 100-120 DEG C under the absolute pressure of 100-200Pa to obtain the ethyl 4-bromophenylacetate product. According to the method, 4-bromophenylacetic acid is used as a raw material and is subjected to acid catalysis in a solvent azeotropic with water, esterification reaction with ethanol is performed to obtain a target product, procedures such as neutralization, extraction and drying are not needed in post-treatment, the production period is effectively shortened, and the method is economical, environmentally friendly, simple to operate and more suitable for industrialization.

Methods for the treatment of cancer, including glioblastoma multiforme (GBM) and recurrent glioblastoma multiforme (RGBM). The method includes administering to a patient a plurality of extraneous antineoplastons and a plurality of targeted agents. The plurality of extraneous antineoplastons may include two or more antineoplastons selected from phenylacetylglutaminate sodium (PG), phenylacetylisoglutaminate sodium (iso-PG), and phenylacetate (PN). The plurality of targeted agents may include two or more agents selected from bevacizumab, pazopanib, sorafenib, dasatinib, and everolimus.

The present invention relates to a technique for masking unpleasant odor (off- flavor) generated from a food or beverage. One embodiment of the present invention provides an unpleasant odor (off-flavor) suppressing agent, a fragrance composition, a food or beverage in which an unpleasant odor (off-flavor) is masked, a production method of the food or beverage, and a method for masking an unpleasant odor (off-flavor). The present invention makes it possible to suppress an unpleasant odor (off-flavor) of a food or beverage by using, as active ingredient, one or more selected from the group consisting of oleic acid, β-damascenone, 4-methyl-2-phenyl-2-pentenal, menthyl 3-hydroxybutyrate, dimethyl benzyl carbinyl butyrate and methyl 4-tert-butyl phenylacetate.

Novel TRPV1 agonists and uses thereof are provided, including modified resiniferatoxin (RTX) to desensitize TRPV1 -expressing neurons. The modified RTX disclosed herein may comprise at least one substitution on the distal 6-membered ring of RTX, a replacement of the 6-membered distal ring of RTX, or at least one alteration of resiniferonol 9, 13, 14-ortho-phenylacetate, which can further comprise at least one substitution on the distal 6-membered ring of RTX and / or a replacement of the 6-membered distal ring of RTX

The invention belongs to the technical field of medical preparations and pharmaceutical preparations, and particularly relates to a method for improving the stability of citric acid tofacitinib oral liquid and the citric acid tofacitinib oral liquid. The oral liquid takes water as a solvent, contains citric acid tofacitinib, sodium benzoate and ethylenediamine di-o-phenyl sodium acetate, and the pH is regulated to 3.3-4.3 through a pH regulator. The sodium ethylenediamine diphenylacetate in the tofacitinib citrate oral liquid can synergistically inhibit the generation of impurities, block the degradation path of a main drug, stabilize the content of a preservative, significantly reduce the increase of impurities in acceleration and long-term storage, maintain the stability of the content and pH of the main drug, and effectively guarantee the product quality and efficacy.

The utility model discloses a safety monitoring device for oxo-phenylacetate synthesis, and belongs to the technical field of safety monitoring. The utility model relates to a safety monitoring device for oxo-phenylacetate synthesis. The safety monitoring device comprises a substrate, an adjusting assembly, a sensor and a monitoring alarm, a sliding groove is formed in one side face of the base plate, and a monitoring alarm is fixedly arranged on the other side face of the base plate. The adjusting assembly is in sliding connection with the sliding groove, and the adjusting assembly is connected with the output end of an external driving motor so as to adjust the position of the adjusting assembly on the base plate; the sensor is arranged on the adjusting assembly, and the sensor is electrically connected with the monitoring alarm; the position of the safety monitoring device can be rapidly moved, the monitoring position of the sensor in the synthesis device is adjusted, the monitoring area of the safety monitoring device is expanded, and the practicability of the device is improved.

This disclosure relates to crystalline and solvate forms of nucleoside reverse transcriptase translocation inhibitors (NRTTIs), and their pharmaceutical compositions, which are useful for the treatment and prevention of Retroviridae virus infections, including infections caused by the HIV virus. This disclosure particularly provides crystalline forms of (2R,3S,5R)-5-(6-amino-2-fluoro-9H-purine-9-yl)-2-ethynyl-2-((2-phenylacetoxy)methyl)tetrahydrofuran-3-yl 2-phenylacetate, selected from crystalline form II, crystalline form III, crystalline form IV, and crystalline form V.

The invention relates to a lasioderma serricorne pest attractant and a trapper. The attractant is composed of a sex pheromone composition and a food source odor compound. The sex pheromone composition is prepared from 4S, 6S-dimethyl-7S-hydroxy-3-nonanone and cis-9-tricosene, and the food source odor compound is prepared from beta-caryophyllene, farnesol and anisyl phenylacetate. The trap contains the attractant. The sex pheromone composition and the food source smell volatile matter have a synergistic effect, so that the attractant has a very good attraction effect on the lasioderma serricorne, can be used for monitoring and large-area prevention and control of the lasioderma serricorne, and has a relatively good application prospect.

The present invention relates to the technical field of fertilizers, and provides a preparation method of a yield-increasing silicon-carbon chelating agent, comprising the following steps: S1. Add water and a silicon-containing organic auxiliary agent to a carbon material and heat to 40-50 °C; S2. Add sodium ethylenediamine di-o-phenylacetate and 2-phosphonobutane-1,2,4-tricarboxylic acid, and heat to 60-80 °C; S3. Continuously add malic acid and vermiculite, cool to 40-50 °C, and centrifuge to obtain the chelating agent. Through the above technical solution, the problem in the related art that the utilization rate of trace elements in the soil by the chelating agent needs to be improved is solved. The chelating agent in the present invention can promote root growth, increase the root surface area, can greatly increase the yield of crops, improve the sweetness of crops, and can also play a role in increasing the VC content.

The invention discloses a raw material ratio control device for esterification reaction of oxo-phenylacetate, and belongs to the technical field of phenylacetate production. The device comprises a reaction kettle, a phenylacetic acid storage box, a proportioning assembly, a feeding assembly and a detection assembly, the phenylacetic acid storage box and the proportioning assembly are respectively mounted on the upper side of the reaction kettle and are respectively communicated with the reaction kettle through pipelines; the feeding assembly is arranged on the upper side of the phenylacetic acid storage box and the proportioning assembly and is used for adding alcohols; the proportioning assembly at least comprises a proportioning box; a proportioning mechanism is arranged in the proportioning box, the proportioning mechanism at least comprises two independent proportioning cavities, and the same alcohol is arranged in the different proportioning cavities; the detection assembly is arranged in the reaction kettle and is used for detecting the conversion rate of the reaction in real time; according to the invention, a plurality of alcohol raw materials can be proportioned, the subsequent supplementation and addition of alcohols can be controlled according to the real-time conversion rate, and the phenylacetate raw material proportioning and feeding production efficiency can be improved.

To provide a packaged black tea beverage having reduced and / or suppressed deterioration odor and taste caused by aging and / or light-induced deterioration of the black tea beverage, and also to provide a method for producing the same.SOLUTION: A method for producing a packaged black tea beverage having a tannin content of 10 mg / 100 mL or more, the packaged black tea beverage being prepared to meet at least one of the following conditions (a) and (b): (a) a content of isobutyl phenylacetate is 0.5 ppm or more; (b) a content of isoamyl phenylacetate is 0.5 ppm or more.SELECTED DRAWING: None

Derivatives of polymethinium salts of the general formula I, where both terminal heteroaromatic groups of the methinium chain are identical or different and are benzothiazole, naphthothiazole, benzimidazole, naphthoimidazole, benzooxazole, naphthooxazole, benzoselenazole, naphthoselenazole, quinoline, benzoquinoline, indole or benzoindole, the particular structure of which is characterized by the groups A, B, X, Y, with one or more R groups on both terminal heteroaromatic groups of the methinium salt, where R is H, C1 to C12 alkyl, glycol chains with 1 to 8 glycol (OCH2CH2) repeating units terminating with an O—C1 to C12 alkyl substituent or OH group, alkyl C1 to C8 sulfonic acids or their corresponding lithium, sodium or potassium salts, allyl, propargyl, phenyl, benzyl, pyridyl, halogen, CH2OR′, OR′, CHF2, CF3, OCF, OCOR′, CN, CHO, COOR′, CONHR′, CONR′2, CONHOR′, CONHNHR′, CONHNR′2, N3, NO2, SR′, SCN, NHR′, NR′2, NHCOR′, NHCONHR′, NHCONR′2, NHCSNHR′, NHCSNR′2, NHSO2NHR′, NHSO2NR′2, NHCOOR′, N(COOR′)2, B(OR′)2, SO3R′, SO2NHR′, SO2NR′2, SO2R′, where R′ is H, alkyl C1 to C12, phenyl, p-tolyl, benzyl, allyl, propargyl, CF3; CH═CH—CH═CH (i.e. a fused benzene nucleus), where X is O, S, Se, CR′2, NR′, CH═CH, where R′ has the above meaning; where A is alkyl C1 to C12, benzyl, allyl, propargyl, a glycol chain with a number of 1 to 8 glycolic (CH2CH2O) repeating units terminating with the substituent R′, (CH2)jCOR′, (CH2)jCOOR′, (CH2)jSO3R′, (CH2)jSO3H, (CH2)jCONHR′, (CH2)jCONR′2, where j is in the range of 1 to 12 and R′ has the above meaning; where B is phenyl, pyridyl, pyrazinyl, quinolyl, quinoxalyl, furanyl, thienyl, benzoxazolyl, benzothiazolyl, which may be further substituted by one or more of the same or different substituents R, where R has the above meaning, where in the case of doubly charged salts the group B is formed by pyridyl or quinolyl quaternized on its nitrogen atom by A, where A is as defined above, where Y is acetate, acetylacetate, adipate, ascorbate, benzoate, besylate, borate, bromide, butanoate, citrate, deoxycholate, dihydrogen phosphate, phenylacetate, fluoride, phosphate, fumarate, gallate, glutarate, hexafluorophosphate, hippurate, hydrogen sulfate, chloride, perchlorate, cholate, isocyanate, isonicotinate, iodide, caprylate, cyanate, lactate, laurate, lithocholate, malate, maleate, malonate, mandelate, mesylate, monohydrogen phosphate, formate, myristate, napsylate, nicotinate, nitrate, nonafluorobutylsulfonate, oleate, oxalate, oxopropanoate, palmitate, picrate, pimelate, propionate, rhodanide, salicylate, sebacate, cinnamate, stearate, suberate, succinate, sulfate, tetrafluoroborate, tosylate, triflate, trifluoroacetate, trichloroacetate, carbonate, valerate, tartrate, and salts of natural amino acids, for the use as an inhibitor of dihydroorotate dehydrogenase.