170 results about "Bromine atom" patented technology

To provide a resist composition which achieves higher sensitivity and can form a resist pattern with reduced LWR.SOLUTION: The resist composition contains: a resin component (A1) whose solubility in a developer changes by the action of an acid; and a compound (D0) represented by the following general formula (d0-1). (In the formula, Cy1 represents a cyclic group containing an aliphatic ring; Cy2 represents a benzene ring or a naphthalene ring; Xd01 represents an iodine atom or a bromine atom; Rd01 and Rd02 represent substituents; Ld01 represents a divalent linking group; Ld02 represents a divalent linking group or a single bond; m01 represents an integer of 1 or more; n01 and n02 represent integers of 0 or more; Mmd+ represents an organic cation; and md represents an integer of 1 or more.)SELECTED DRAWING: None

It is an object of the present invention to form a resist film that is highly sensitive and enables high-resolution patterning. The present invention relates to a resist material that comprises a polymer comprising a unit derived from a structure represented by the following formula (101). In the formula (101), R1 each independently represents a hydrogen atom, an alkyl group optionally having a substituent, an acyl group optionally having a substituent, an allyl group optionally having a substituent, an alkoxy group optionally having a substituent, or an alkylsilyl group optionally having a substituent, and a plurality of R1 may be the same or different. R11 represents a hydrogen atom or an alkyl group optionally having a substituent. R2 represents a hydrogen atom, an alkyl group, a fluorine atom, a chlorine atom, a bromine atom, or a halogenated alkyl group; and Y1 represents a single bond or a linking group.

This resist composition contains: a resin component (A1), the solubility of which in a developer solution changes due to the action of an acid; and a compound (D0) represented by general formula (d0-1). In the formula, Ar is an aromatic ring; OH is a hydroxy group; Xd01 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group; Ld is a single bond or a divalent linking group; Z+ is S+ or I+; and Xd02 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group. [Chemical formula 1]

The invention discloses 1, 2-dibromo-6-tert-butyl-9-(4-tert-butylphenyl)-9H-carbazole and a synthesis method of the 1, 2-dibromo-6-tert-butyl-9-(4-tert-butylphenyl) The method comprises the following steps: taking 3-nitrophthalic acid as an initial raw material, reacting trichloroisocyanuric acid with liquid bromine to obtain 1, 2-dibromo-3-nitrobenzene, reducing by stannous chloride to obtain 2, 3-dibromoaniline, carrying out diazotization reaction to obtain 2, 3-dibromophenylhydrazine, reacting with p-tert-butyl cyclohexanone, and reacting by using 2, 3-dichloro-5, 6-dibromophenylhydrazine to obtain 2, 3-dibromophenylhydrazine. The preparation method comprises the following steps: carrying out dehydrogenation on 2, 6-dicyanobenzoquinone to obtain 1, 2-dibromo-6-tert-butyl-9H-carbazole, and finally reacting the 1, 2-dibromo-6-tert-butyl-9H-carbazole with 4-tert-butyl iodobenzene to obtain the 1, 2-dibromo-6-tert-butyl-9-(4-tert-butylphenyl)-9H-carbazole. Due to the existence of a bromine atom functional group on the 1, 2-dibromo-6-tert-butyl-9-(4-tert-butylphenyl)-9H-carbazole, the further conversion of the compound has expandability, and the compound can be used as a material / drug molecule precursor in the fields of organic light-emitting semiconductors, pharmaceutical chemistry and the like.

The invention relates to the field of sealing materials, in particular to a butyl rubber sealing material and a preparation method thereof. Comprising the following components in parts by weight: 50-70 parts of butyl rubber, 30-50 parts of a brominated isobutylene-p-methylstyrene copolymer, 30-50 parts of carbon black, 8-12 parts of an alkyl phenolic resin vulcanizing agent, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of an anti-aging agent and 5-10 parts of a plasticizer. The butyl rubber provides ideal air tightness and heat aging resistance, bromine atoms are introduced into the brominated isobutylene-p-methylstyrene copolymer, co-vulcanization with the butyl rubber is achieved, it is ensured that a uniform and stable co-crosslinking network can be formed between the two rubber molecules, and the service life of the rubber is prolonged. The alkyl phenolic resin vulcanizing agent can form a C-C bond with high bond energy with two rubber molecules, so that the thermal aging resistance of the butyl rubber sealing material is effectively improved, the compression set is reduced, and the butyl rubber sealing material with excellent performance is prepared.

Disclosed is a resist composition that contains: a resin component (A1), the solubility of which in a developer solution is changed by the action of an acid; and a compound (D0) which is represented by general formula (d0-1). (In the formula, Cy1 represents a cyclic group including an aliphatic ring; Cy2 represents a benzene ring or a naphthalene ring; Xd01 represents an iodine atom or a bromine atom; Rd01 and Rd02 each represent a substituent; Ld01 represents a divalent linking group; Ld02 represents a divalent linking group or a single bond; m01 represents an integer of 1 or more; n01 and n02 each represent an integer of 0 or more; Mmd+ represents an organic cation; and md represents an integer of 1 or more.)

The invention discloses a method for analyzing and detecting hydroxyl and amino substances in Baijiu and application, and relates to the technical field of Baijiu detection and analysis. The method comprises the following steps: carrying out derivatization reaction on bromine nicotinoyl chloride and hydroxyl and amino compounds in a white spirit sample to obtain a derivatized white spirit sample, carrying out data acquisition on the derivatized white spirit sample by utilizing a UPLC-HRMS platform, screening derivatized products by virtue of bromine isotope mass spectrum peaks, and determining the content of the bromine isotope mass spectrum peaks. And finally, performing high-coverage annotation on hydroxyl and amino compounds in the white spirit by combining multi-dimensional information including retention time, a primary mass spectrum and a secondary mass spectrum. The derivatization reaction does not need heating, the reaction time is short, a rapid and mild derivatization method is established, the loss of volatile compounds is avoided, and the analysis efficiency is improved; according to the invention, the natural isotope characteristics of bromine atoms are utilized to efficiently screen labeled compounds, and other heavy isotope labeling reagents are prevented from being additionally synthesized and used.

The invention relates to the technical field of desalting demulsifiers, and discloses a special demulsifier for desalting heavy fuel oil for a gas turbine and a preparation method of the special demulsifier. Polyethylene glycol monomethyl ether and 4-((dimethylamino) methyl) benzoic acid are subjected to an esterification reaction to obtain tertiary amino polyethylene glycol monomethyl ether; and performing quaternization reaction with bromine atoms of the modified phenolic resin to obtain the special demulsifier for desalting the heavy fuel oil for the gas turbine. The demulsifying agent takes phenolic resin as a matrix, cationic groups and polyether chain segments are introduced into side chains of the phenolic resin, the demulsifying agent has very strong surface activity and shows very high desalination and dehydration performance, the dehydration rate reaches 87.2-93.5% in 18 hours, and after testing for 7 days, the salt content of heavy fuel oil after electric desalination is only 3.4-6.6 mg / L.

The invention relates to the technical field of power cables, and provides a flame-retardant power cable and a preparation method thereof. The flame-retardant power cable comprises a conductor, an insulating layer and a sheath layer which are sequentially arranged from inside to outside, and the sheath layer is prepared from, by weight, 40-60 parts of polyethylene, 60-80 parts of ethylene-vinyl acetate copolymer, 8-10 parts of compatilizer, 3-5 parts of auxiliaries, 15-20 parts of filler and 60-70 parts of flame retardant. The flame retardant is prepared from magnesium hydroxide, antimony trioxide, hydrated zinc borate and an aromatic bromine-containing compound in a mass ratio of 45: 8: 12: (25-30), and the number of bromine atoms of the aromatic bromine-containing compound is 6-8. According to the technical scheme, the problem of insufficient flame retardant property of the power cable in the prior art is solved.

A low-temperature etching method including an etching step of setting the temperature of a member to be etched having an etching object containing silicon to 0° C. or less, bringing an etching gas containing an etching compound into contact with the member to be etched, and etching the etching object. The etching gas contains or does not contain high-boiling-point impurities, the high-boiling-point impurities being compounds having at least one type of atom among a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a hydrogen atom, and an oxygen atom in the molecule and having a boiling point of 20° C. or more under a pressure of 101 kPa, and, when the etching gas contains the high-boiling-point impurities, the total concentration of all types of the contained high-boiling-point impurities is 500 ppm by volume or less.

The invention provides a synthesis method of a thioether ligand and a palladium-catalyzed 2-aryl indole compound, and designs an application of the biphenyl thioether ligand and a palladium catalyst in preparation of the 2-aryl indole compound. Indole and arylboronic acid are subjected to a reaction under the action of a palladium catalyst and a biphenyl sulfide ligand, and the structural formula of the biphenyl sulfide ligand is shown in the specification. Ar is phenyl, furyl, thienyl, naphthyl or phenyl substituted by one or more substituent groups; r1 is methyl, methoxyl, fluorine atom, chlorine atom, bromine atom or methyl ester group; r2 is the same or different and is methyl, ethyl, isopropyl, isobutyl, cyclohexyl, benzyl, n-butyl or n-hexyl; r3 is alkoxy, alkylthio, substituted amino or halogen; the palladium catalyst is a divalent palladium compound.

The invention provides a series of polybenzyl bromide or polybenzyl iodide-based monomolecular resin photoresists as well as a preparation method and application thereof. The monomolecular resin can be used as a main body material of the photoresists. The raw materials are cheap and easily available, and the synthesis process is simple. According to the compound disclosed by the invention, adamantane is taken as a core unit, a plurality of benzyl bromide or benzyl iodine groups, adamantane and a benzene ring are externally connected, and bromine atoms or iodine atoms are additionally introduced, so that the sensitivity and the etching resistance of the photoresist can be improved to the maximum extent.

The invention discloses a preparation method of mesophase pitch regulated and controlled by plasma-assisted directional bromination and catalytic debromination, and belongs to the technical field of high-value utilization of heavy oil and preparation of advanced carbon materials. The method comprises the following steps: (1) by taking aromatic hydrocarbon-rich heavy oil as a raw material, carrying out low-temperature plasma-assisted liquid-phase bromination reaction, and directionally introducing bromine atoms on an aromatic ring as activation and orientation sites, so as to construct bromination modified linear precursor asphalt; (2) carrying out supported metal hydride catalytic debromination-directional polycondensation reaction to synchronously realize total removal of bromine atoms, linear coupling between aromatic rings and improvement of molecular planarity, so as to prepare pre-mesophase pitch; and (3) carrying out heat treatment in a strong and uniform magnetic field, and enabling the liquid crystal state molecules to be highly and orderly arranged along the direction of the magnetic field by virtue of the orientation effect of the magnetic field on the pi electron cloud, so as to finally form the spinnable mesophase pitch with a wide-area streamline structure. The method realizes full-chain accurate regulation and control from molecular structure design to macroscopic orientation, and the prepared mesophase pitch has the characteristics of high anisotropic content (greater than 98%), moderate softening point (260-300 DEG C), highly ordered molecular arrangement and low quinoline insoluble content (less than 0.1%). The process is novel, and a brand new path is provided for preparing the high-performance mesophase pitch.

The present invention provides a crosslinkable fluororubber composition containing: a fluororubber containing bromine atoms and / or iodine atoms; a multifunctional crosslinking aid; an organic peroxide; and at least one metal compound selected from the group consisting of magnesium oxide and a solid solution of aluminum oxide and magnesium oxide, wherein the content of the metal compound is 0.05-0.50 parts by mass per 100 parts by mass of the fluororubber.

To provide a liquid detergent for hard surfaces which has a proper liquid color in terms of visibility and prevention of staining, while exhibiting superior liquid color stability even under storage in high-temperature conditions.SOLUTION: A liquid detergent for hard surfaces comprises (A) a non-soap anionic surfactant, (B) an aminocarboxylic acid-type chelating agent, (C) a nonionic aromatic compound represented by formula (c1), and (D) a dye selected from phthalocyanine dyes, triphenylmethane dyes, and thiazine dyes, wherein the mass ratio (A+B) / C is 2 to 400. In formula (c1), X represents an oxygen atom or an alkylene group having 1 to 4 carbon atoms, Y each independently represents a chlorine atom or a bromine atom, a, b, and c each independently represent 0 or an integer of 1 to 3, m is 0 or 1, and n is 0 or 1.SELECTED DRAWING: None

Provided is a polymer composition that achieves both substrate adhesion properties and antithrombogenicity. The polymer composition is characterized by containing a polymer having a monomer unit represented by chemical formula (1). m represents a natural number of 2-12; n represents the number of repetitions of the monomer unit; R1 represents a hydrogen atom or an alkyl group having 1-6 carbon atoms; R2 represents an oxygen atom, a sulfur atom, SO, SO2, or NR3; and X1, X2 and X3 each independently represent (I) a hydrogen atom, (II) a fluorine atom, a chlorine atom, a bromine atom, or an iodine atom, (III) a substituted or unsubstituted alkyl group having 1-12 carbon atoms, a substituted or unsubstituted alkenyl group having 2-10 carbon atoms, or a substituted or unsubstituted alkynyl group having 2-10 carbon atoms, or (IV) a methoxy group, an ethoxy group, or a 2-hydroxyethoxy group. Provided that X1, X2 and X3 are not all hydrogen atoms.

The invention relates to a preparation method of alpha-bromo-carboxylic acid. The method comprises the following steps: under the protection of nitrogen, dissolving a malonic acid substrate, N-bromosuccinimide (NBS) and pyridine in a reaction solvent, and reacting for 1 hour at 50 DEG C under the irradiation of blue light; and separating the crude reaction product through column chromatography or preparative plate chromatography to obtain the target delta-bromo-carboxylic acid compound. The method has the advantages of mild reaction conditions, simple operation, easily available raw materials, low cost, and good functional group compatibility and substrate universality. In the obtained product, due to high reaction activity of bromine atoms, the bromine atoms can be further derived into various alpha-heteroatom substituted carboxylic acids, and the product has application potential in the fields of synthetic chemistry, drug research and development and the like.

The invention relates to the field of cell analysis related to cytobiology, in particular to a derivatization reagent and application thereof in a method for identifying amino metabolites. The invention provides a novel derivatization reagent 3-bromoquinoline succinimide ester, the derivatization reagent has bromine atoms and quaternary ammonium groups with natural positive charges, so that the response of the labeled metabolite in mass spectrum can be improved, and by utilizing the characteristic of natural isotope distribution of the bromine atoms, the sensitivity of the metabolite in mass spectrum can be improved. The labeled metabolite can generate a pair of isotope peaks with fixed intensity ratio and fixed m / z difference in the mass spectrum, so that the identification of unknown metabolite is facilitated. The living cells labeled by the derivatization reagent can be used for mass spectrometry, especially for the field of single cell mass spectrometry, the response of metabolites in the direct sample injection process is improved, follow-up identification is facilitated, and the blank of domestic related technologies is filled.

The invention belongs to the technical field of organic synthesis, and discloses a diastereoselective synthesis method and application of polysubstituted cyclobutane. The preparation method comprises the following steps: adding 3-methylene cyclobutyl tertiary alcohol, alkyl halide (or acyl and sulfonyl halide) and a photocatalyst into an organic solvent, and reacting in a nitrogen atmosphere and under the irradiation of a blue light LED lamp to generate cis-1, 3-bifunctional cyclobutane with a single configuration. The photocatalyst used in the method does not contain metal and is small in dosage, wide in substrate range and high in stereoselectivity. In addition, according to the invention, the product is successfully subjected to a one-step cyclization reaction under the action of alkali to generate polysubstituted bicyclo [2.1. 1] hexane. According to the application, heteroaryl with various structures is successfully introduced to bridgehead carbon of bicyclo [2.1. 1] hexane, and functional groups such as cyano groups and aldehyde groups which are easy to modify and convert as well as bromine atoms and fluorine atoms which are difficult to introduce in a traditional method are also introduced. The synthesis method has the advantages of high efficiency, simplicity, wide substrate universality, good functional group compatibility and the like.

A refrigerator oil composition which is used together with a refrigerant that contains an unsaturated fluorinated compound having a carbon-carbon unsaturated bond represented by general formula (I): C2FpR4-p (I) [in general formula (I), R each independently represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p is an integer of 1-3], in which R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents an integer of 1-3], R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom. A refrigerator oil composition containing a base oil (A), an epoxy compound (B), and a terpene compound (C), the epoxy compound (B) being an aliphatic epoxy compound (B1) or an alicyclic epoxy compound (B2), the total content of the epoxy compound (B) and the terpene compound (C) being 4.0 mass% or more based on the total amount of the refrigerator oil composition.

The present invention discloses a naphthalene dianhydride molecular compound and its preparation and application. The chemical structural formula of the novel naphthalene dianhydride molecular compound is shown in formula (1). The preparation thereof is specifically to carry out an alkylation reaction with pentylamine under the catalysis of phosphorus tribromide to prepare an intermediate product A; to carry out a cyclization reaction by replacing the bromine atoms on one side of the intermediate product A with 1,5-diaminonaphthalene to obtain an intermediate product B; to replace the bromine atoms on the remaining side of the intermediate product B with 2-aminothiophenol, and to obtain a novel naphthalene dianhydride molecule after cyclization. The preparation process of the nanoparticles is to take the novel naphthalene dianhydride molecule, dissolve it in a DMSO solvent, and then drop DSPE-PEG 2000 After coating, DMSO is removed by rotary evaporation, and the nanoparticles are uniformly dispersed in a pure aqueous solution. The present invention can effectively improve the deficiencies of the prior art, including enhancing the ultraviolet absorption of the second near-infrared window, improving the photothermal conversion rate of naphthalene dianhydride molecules, and achieving effective killing of tumor cells. #imgabs0#

The present application relates to a kind of electrolyte additives and its preparation method, belong to electrolyte technical field;The present application uses propenyl-1,3-sulfonic acid lactone as raw material, using the double bond of propenyl-1,3-sulfonic acid lactone and the amino group of 4-amino-2-(trifluoromethyl) thiophene occurs Michael addition reaction under the catalysis of 1,8-diazabicyclo (7-ene) Undecane, obtain the intermediate with tertiary amine structure, then through the quaternary ammonium salt reaction of tertiary amine structure of intermediate and bromo atom of ethyl bromoacetate, obtain additive, the additive of the present application and phosphate ester additive are compounded to obtain electrolyte additive, the present application is modified by propenyl-1,3-sulfonic acid lactone, introduce fluorinated alkyl, effectively reduce intermolecular force, weaken the dependence of electrolyte viscosity on temperature, improve the ionic conductivity of electrolyte under low temperature condition.

Provided is a refrigerator oil composition used together with a refrigerant containing an unsaturated fluorinated compound having a carbon-carbon unsaturated bond represented by general formula (I) C2FpR4-p … (I) [In general formula (I), R each independently represent a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p is an integer of 1-3.], wherein the refrigerator oil composition contains a base oil (A), an epoxy compound (B), and a terpene compound (C), the epoxy compound (B) is an aliphatic epoxy compound (B1) or an alicyclic epoxy compound (B2), and the total content of the epoxy compound (B) and the terpene compound (C) is 4.0 mass% or more in terms of the total amount of the refrigerator oil composition.

The invention relates to a resist material and a pattern forming method. The present invention addresses the problem of providing: a resist material having high sensitivity to both positive and negative types and improved LWR and CDU; and a pattern forming method using the same. The solution of the invention is a resist material, which comprises a dionium salt, the present invention is characterized by containing: a divalent anion having an aryl sulfonic acid anion structure linked to an aromatic group having an iodine atom or a bromine atom, and a sulfonyl imide anion structure or a sulfonamide anion structure bonded to the aromatic group having an iodine atom or a bromine atom via a linking group having 1 or more carbon atoms; and an onium cation.

The present application relates to pyrazole derivatives and their use in pesticides, in particular their use in the prevention and treatment of plant diseases caused by fungi. The structure of the pyrazole derivatives is shown in (I): wherein R1 is at least one of fluorine atom, chlorine atom, bromine atom, methyl, methoxy, difluoromethyl, trifluoromethyl, trifluoromethoxy; R2 is difluoromethyl or trifluoromethyl; X is nitrogen atom or oxygen atom. The pyrazole derivatives disclosed in the present application have good inhibitory effect on plant pathogenic fungi and can be applied to the prevention and treatment of plant diseases caused by fungi.

The invention discloses a bowl-shaped phosphine ligand as well as a preparation method and application thereof, and relates to the technical field of organic compounds and synthesis, non-planar phosphorus atoms are introduced into a planar conjugated system, a phosphine ligand with a concave structure is innovatively constructed, and spiral chirality is given to the phosphine ligand, so that a novel chiral phosphine ligand is obtained. Bromine atoms introduced in the design provide key sites for subsequent functionalization, coupling with various functional group reagents can be carried out through a classical Suzuki reaction, the modification potential of the ligand is remarkably enhanced, rapid construction of a diversified phosphine ligand library is facilitated, and the phosphine ligand library is used for various catalytic reactions. In addition, rich benzene ring units in the structure of the ligand endow the ligand with strong stacking capacity, so that the ligand shows good application prospects in the application fields of supramolecular self-assembly materials, molecular cages, catalyst loading and the like.

An ion implantation system, an ion source, and a method are provided for forming an aluminum ion beam from an aluminum-containing species in an ion source. One or more of a halide species and a halide molecule are introduced into the ion source, the halide species being selected from the group consisting of a chlorine atom, a bromine atom, and an iodine atom, and the halide molecule including a halide selected from the group consisting of chlorine, bromine, and iodine. One or more of the halide species and the halide molecule clean one or more components of the ion source and further react with the aluminum-containing species to produce an aluminum-halide vapor. The aluminum ion beam is further formed from at least the aluminum-halide vapor.

The present invention provides: a novel compound in which some of the eight fluorine atoms of perfluorocubane are substituted with a halogen atom other than a fluorine atom; and a production method for the compound. The present invention relates to: the halogenated cubane compound represented by general formula (1) or (1') [in the formulas, X is an iodine atom, a bromine atom, or a chlorine atom]; and a production method for a halogenated cubane compound in which the halogenated cubane compound represented by general formula (1) or (1') is produced by using a basic catalyst and the halogenation agent represented by general formula (2) [in the formula, X is an iodine atom, a bromine atom, or a chlorine atom and Ar1 is an aryl group which may have a substituent or a heteroaryl group which may have a substituent] to halogenate hexafluorocubane or heptafluorocubane.

Provided is a fluorine compound that is represented by formula (1) and that has a halogen atom and an allyl group. (In the formula, each R independently represents a hydrogen atom or a methyl group. Each X independently represents a fluorine atom, a chlorine atom, a bromine atom, or an iodine atom.)

There is provided a method for storing fluoroalkene in which, even when stabilizers for suppressing reactions of fluoroalkene are not added, the reactions of the fluoroalkene hardly occur and the purity of the fluoroalkene hardly decreases during storage. Fluoroalkene having a bromine atom or an iodine atom in the molecule is at least one type of fluoroethylene represented by a first general formula C2HpFqXr and fluoropropene represented by a second general formula C3H3FtXu (X represents a bromine atom or an iodine atom), and contains or does not contain at least one type among manganese, cobalt, nickel, and silicon as metal impurities. When any of the foregoing is contained, the fluoroalkene is stored in a container with the total concentration of the manganese, the cobalt, the nickel, and the silicon set to 1000 ppb by mass or less.