267 results about "Diimide" patented technology

The invention provides 1, 1', 12, 12'-tetra-alkoxy-substituted perylene diimide dimer having a novel structure. The dimer is an electron acceptor-type organic micromolecule of which the solution can be processed. The invention also provides a novel method for synthesis of the tetra-alkoxy-substituted perylene diimide dimer. The perylene diimide dimer as a receptor and a P3HT electron donor-type polymer are combined so that an organic solar cell is obtained. Through the perylene diimide dimer, high photoelectric conversion efficiency is obtained and a novel direction for photovoltaic field research is provided.

The invention discloses a preparation method of molecularly imprinted polymeric microspheres for 2,4,6-trinitrophenol detection. The preparation method is characterized in that polynitrophenol derivatives-imprinted molecules generated through reaction between 2,4,6-trinitrophenol and N,N'-diisopropyl carbodiimide have luminous yellow fluorescent light, the fluorescent light of the imprinted molecules has open and close characteristics under an acid-base condition, the imprinted molecules located in an imprinting layer of the molecularly imprinted polymeric microspheres can be eluted, a hole structure which is complementary with the structure, the size and the functional groups of the imprinted molecules is formed in the imprinting layer, polymeric microspheres of which the imprinted molecules are eluted have specific recognition sites on target analyte molecules, target molecules enter the specific recognition sites, selective recognition on the target analyte molecules is realized, sensitivity detection of the target analyte molecules can be realized through opening and closing of the fluorescent light of the target molecules, the specific surface area of the molecularly imprintedmicrospheres is large, and space in which the recognition sites are formed is stable in structure, has more effective sites, and is capable of carrying out high-selective recognition and high-sensitive detection on the target molecules.

The invention belongs to the preparation field of a positive electrode material of a rechargeable battery, and particularly relates to a preparation method and an application of a perylene diimide and graphene oxide composite material. The preparation method for the perylene diimide and graphene oxide composite material comprises the steps of performing synthesizing on perylene-3,4,9,10-tetracarboxylic dianhydride and N, N-dimethyl-1, 2-ethylenediamine to prepare perylene diimide; performing a solvent thermal reaction on graphene oxide and perylene diimide to obtain a composite material precursor; and performing heat treatment on the composite material precursor in a protective gas to obtain the perylene diimide and graphene composite material. The composite material disclosed by the invention can be applied to a lithium ion battery as well as a novel sodium ion battery, so that the application field of the composite material is expanded; compared with solvent thermal compounding, the specific capacity of the composite material can be further improved after heat treatment; and in addition, the cycling process is higher in stability without obvious attenuation.

The invention provides a 1,1'-dialkoxy-substituted asymmetrical perylene diimide dipolymer having a novel structure, and the perylene diimide dipolymer is an electron acceptor-type organic micromolecule having solution processibility. The invention also provides a method for synthesis of the asymmetrical substituted perylene diimide dipolymer. The asymmetrical substituted perylene diimide dipolymer as a receptor and P3HT isoelectronic donor-type polymer are combined to form an organic solar cell so that high photoelectric conversion efficiency is obtained. The asymmetrical substituted perylene diimide dipolymer provides a novel direction for photovoltaic field research.

The invention relates to the field of organic photovoltaic materials, and particularly relates to a perylene diimide derivative, a solar cell employing the perylene diimide derivative as an acceptor material, and a preparation method of the perylene diimide derivative. A 1,6,7,12-tetra-substituted perylene diimide derivative is as shown in the specification, wherein R1 is selected from any group: C6-20 alkyl, substituent-containing alkyl, alkoxy, substituent-containing alkoxy, aryl, substituent-containing aryl, alkyl aryl, substituent-containing alkyl aryl, alkyl heteroaryl, substituent-containing alkyl heteroaryl, alkyl heterocyclyl and substituent-containing alkyl heterocyclyl; and R2 is selected from any one of C6-20 aryl, substituent-containing aryl, substituent-containing aromatic heterocyclyl, alkoxy ceteroary and substituent-containing alkoxy ceteroary, or C5-20 aromatic heterocyclyl, substituent-containing aromatic heterocyclyl, multi-element aromatic heterocycle and substituent-containing multi-element aromatic heterocycle. The variety of the perylene diimide derivative is increased, and the perylene diimide derivative is applied to organic solar cells.

The invention relates to a synthesis method of 2,2'-diaryl-4,4',5,5'-biphenyl tetraacid dianhydride monomer, which comprises the following steps of: firstly reacting 3,3',4,4'-biphenyl tetraacid dianhydride as a raw material with aliphatic amine to generate 3,3',4,4'-biphenyl diimide; then reacting the 3,3',4,4'-biphenyl diimide with I2 / KIO3 under concentrated acid conditions to generate 2,2'-diiodo-4,4',5,5'-biphenyl diimide; furthermore, converting the biphenyl diimide to 2,2'-diiodo-4,4',5,5'-biphenyl tetraester; then carrying out Suzuki reaction on the 2,2'-diiodo-4,4',5,5'-biphenyl tetraester and large conjugated arylboronic acid to obtain 2,2'-diaryl-4,4',5,5'-biphenyl tetraester containing the large conjugated arylboronic acid; and finally hydrolyzing, acidifying and dehydrating the 2,2'-diaryl-4,4',5,5'-biphenyl tetraester to obtain the 2,2'-diaryl-4,4',5,5'-biphenyl tetraacid dianhydride.

The invention relates to an oil film bearing lubricating oil with high water separation performance. The invention is characterized in that the oil film bearing lubricating oil comprises the following materials of: bi-polyisobutene succimide, phytic acid, 6-tert-butyl-3-methyl phenol, triphenyl thiophosphate, dialkyl pentasulfide, triazole octadecylamine salt, di(2, 4-ditert-butyl phenyl) pentaerythritol biphosphite ester, butyl isooctylphosphate laurylamine salt, dodecene hydrocarbon butane diacid, oxozone trimethylene derivates of amine, petroleum acid polyether ester, polyacrylic ester, oil-soluble polyether macromolecular compound, bisphenyl propyl dimethyl siloxane and base oil. The product has excellent water separation performance and good extreme-pressure abrasion resistance, and can meet the special requirements of working conditions of humidity and wateriness.

A method of selectively preparing a chiral 2S-amino alcohol useful in preparation of an amide sulfonated or acylated with alkyl, substituted aryl or substituted heteroaryl is described. The method involves reacting a di-tert-butyl diazene-1,2-dicarboxylate with a (4S)-4-benzyl-3-[(S)-trifluoromethyl-alkyl substituted alkanoyl]-1,3-oxazolidin-2-one to afford a di-tert-butyl 1-(1S,2S)-([(4S)-4-benzyl-2-oxo-1,3-oxazolidine-3-yl]-carbonyl}-trifluoromethyl-alkyl substituted alkyl)hydrazine-1,2-dicarboxylate. This dicarboxylate is then reduced to yield di-tert-butyl 1-(1S,2S)-[trifluoromethyl-alkyl substituted alkyl]hydrazine-1-(hydroxymethyl)-1,2-dicarboxylate. The resulting product is deblocked with an acid to yield the acid addition salt of (2S,3S)-trifluoro-hydrazino-methyl alkan-1-ol. The acid addition salt of (2S,3S)-trifluor-2-hydrazino-methyl alkan-1-ol is hydrogenated in the presence of a suitable metal catalyst to yield the amino alcohol (2S,3S)-2-amino-trifluoro-methyl alkan-1-ol HCl.

The invention pertains to the technical field of nanometer supramolecular materials, and relates to a nanometer supramolecular assembly of a perylene diimide derivate modified by full methylated Beta-cyclodextrin loaded by polyvinylidene fluoride membrane and a preparation method thereof. The chemical formula of the molecular assembly is C138H226N2O72, and the structure thereof is shown as in an attached drawing. The perylene diimide derivate modified by the red fully methylated Beta-cyclodextrin is dissolved to obtain the nanometer supramolecular assembly. The method adopts the strong fluorescence of solid perylene as a detecting singnal, takes an empty chamber of the fully methylated Beta-cyclodextrin as a receptor of an air molecule, thereby solving two difficulties of strong fluorescence in a solid state in the construction of a fluorescence sensor and the introduction of a suitable air molecular receptor. The nanometer supramolecular assembly of the perylene diimide derivate modified by full methylated Beta-cyclodextrin loaded by PVDF member realizes quick detection of the fluorescence sensing function of the air molecules of nitromethane, nitroethane and nitrobenzene in 10s.

The invention discloses an electrochemiluminescence immunoassay sensor for detecting a tumor marker. A preparation method of the sensor comprises the following steps: synthesizing polyaniline on conducting glass by an electropolymerization method, preparing g-C3N4, a silver-gold core shell nanosphere or copper oxide or manganese dioxide by the existing method, connecting the g-C3N4 on the polyaniline by 1-(3-dimethylamino propyl)-3-ethylcarbodiimide hydrochloride and N-hydroxysuccinimide mixed solution used as coupling agent, modifying the primary antibody on the prepared conducting glass, coating the surface of zinc oxide by the silver-gold core shell nanosphere, modifying second antibody on the silver-gold core shell nanosphere coating the surface of the zinc oxide, and detecting by electrochemiluminescence. The sensor has strong specificity, high sensitivity, simplicity in operation, wide linearity range and low detection limit.

The invention provides an amino / amine oxide modified perylene diimide derivative as well as a preparation method and application thereof. A structural general formula of the amino modified perylene diimide derivative is represented in formula I or formula II, wherein R1 is selected from C1-C10 alkylene; R2 is same to or different with the R1, is independently selected from H and C1-C10 alkyl; C4 represents substituted C1-C10 alkyl, wherein R4 is selected from hydroxyl, halogen and alkoxy; R3 same or different, is independently selected from H, OH, N(R5)2, Cl or Br; and R5, same or different, is selected from H or C1-6 alkyl. The synthesis route of the perylene diimide materials has advantages of being simple and efficient, low in environmental pollution, cheap in raw material, low in synthesis cost, excellent in universality and repeatability, and the like; and the amino / amine oxide polar group is free from negative ion, so that stability of a component is obviously improved.

The invention provides a metal complex catalyst for catalyzing an acetylene hydrochlorination reaction. The metal complex catalyst is formed by coordination of a central atom metal and a ligand, the central atomic metal is Au, Pt, Ru or Cu; the ligand is an organic ligand containing a diimide [-(C=O)-NH-(C=O)-] structure. The invention also provides a preparation method and application thereof. Compared with an existing metal catalyst for acetylene hydrochlorination reaction, the metal complex catalyst has the advantages that active components are in a high-dispersion state and are not easy tolose and agglomerate, reactants of acetylene and hydrogen chloride are activated at the same time, and the catalytic activity and stability of the existing metal catalyst are greatly improved.

The invention relates to a small-caliber artificial blood vessel with the surface grafted with a heparin coating and a preparation method of the small-caliber artificial blood vessel. A small-caliberblood vessel is adopted as a substrate. The preparation method comprises the following steps: soaking the surface of the substrate in a dopamine solution for reaction, coating the surface of the substrate with multiple layers of polydopamine coatings, performing chemical bond combination grafting with polyethyleneimine, and finally activating heparin by utilizing 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide (EDC) and N-hydroxysuccinimide (NHS) to obtain the heparinized surface through amido bond combination. The invention has the characteristics of small caliber, favorable mechanical properties, hydrophilicity and long-acting anticoagulation; the preparation method is environmentally friendly and efficient in compounding, the prepared heparin coating is uniform, the grafting amount of heparin is higher and can reach 4.9 mu g / cm < 2 >, and good market application prospects are achieved.

The invention provides a novel compound for detecting hexanal exhaled by a lung cancer patient and a preparation method thereof. The structural formula is represented as follows. The compound is called as bis-[5-(4-carbonyl phenyl)-10, 15, 20-triphenyl porphyrin]-1, 2-phthalimide. The compound is obtained by removing two molecules of water from 5-p-carboxyphenyl-10, 15, 20-triphenyl porphyrin and o-phenylenediamine; carboxyl porphyrin with excellent photoelectric properties and the o-phenylenediamine are subjected to condensation reaction to form a molecular tweezer compound with specific cavity sizes; and the compound can be further developed into a sensitive material for visual breath detection of the lung cancer patient. By means of the novel compound, breathing diagnosis of diseases can be performed, and problems that convention diagnosis methods of lung cancers are complicated, time-consuming and expensive and can cause damages to the patient are solved.

The invention discloses a scale inhibitor for oil refining equipment. The scale inhibitor is prepared from the following raw materials: purified water, polyisobutylene succinimide, N,N'-disalicylidene-promethylene diamine, calcium alkyl salicylate, heavy aromatics, hexadecyl dimethyl amine, 2,2,6,6-tetramethylpiperidinooxyl, toluene, sodium persulfate, hydrogen peroxide and potassium superphosphate. The scale inhibitor is used for inhibiting coking and scale deposition of various devices and equipment in petroleum refining and petrochemical processes, particularly for coking and scale deposition of hydrogenation process equipment; coking and scale deposition of heat exchangers and steam generators for catalytic cracking, delayed coking and crude oil distillation processes are inhibited; and a high scale inhibition rate is achieved with the filling amount of 80 to 100 [mu]m / g in a crude oil heat exchanger, a reactor and a heating furnace, and each component synergistically acts to achieve the carbon steel corrosion rate of 0.001 to 0.003 [mu]m*a<-1> and the calcium carbonate scale inhibition rate of 85 to 95 percent.

Disclosed are thionated fused-ring (aromatic) imides and diimides that can exhibit desirable electronic properties and can possess processing advantages including solution- processability and / or good stability at ambient conditions.

The invention discloses a wide-band-gap copolymer acceptor material based on perylene diimide and a preparation method thereof, belonging to the technical field of solar cell materials. The terpolymerorganic solar cell acceptor material based on perylene diimide, porphyrin and thiophene is a random copolymer organic solar cell acceptor material having a D-A structure, and has a general structuralformula as shown in a formula I which is described in the specification. The random copolymer organic solar cell acceptor material having the D-A structure can further be as shown in a formula II anda formula III. The wide-band-gap copolymer acceptor material based on perylene diimide provided by the invention has the advantages of simple molecular structure, a few and simple preparation steps,usage of cheap and easily-available raw materials for synthesis, and good visible light absorption range and a absorption strength. Perylene diimide copolymer molecules in the invention can be processed by using a solution method and have good solar light capturing ability and thermal stability, so the material is an ideal material for an all-polymer organic solar cell.

The invention relates to a bis(1,3-dithiol-2-carbonyl) fused naphthyl imide derivative and a synthesis method thereof, in particular to a method for synthesizing a bis(1,3-dithiol-2-carbonyl) fused naphthyl imide intermediate by performing nucleophilic substitution on halogenated naphthyl imide and carrying out imine hydrolysis under the circumstance that 2,3,6,7-naphthyl imide is taken as a raw material and N-methyl imine dithiocarbonic acid alkali metal salt as a sulfurizing agent. The bis(1,3-dithiol-2-carbonyl) fused naphthyl imide derivative is a kind of an important organic photoelectric material intermediate; according to the synthesis method of the bis(1,3-dithiol-2-carbonyl) fused naphthyl imide derivative, transition metal catalysis, high temperature, water absence, oxygen absence and other severe conditions required for the conventional sulfur atom introduction method are avoided; not only is an intermediate which is simple in structure and easy to derive provided, but also a novel method for conveniently synthesizing bis(1,3-dithiol-2-carbonyl) fused naphthyl imide in a relatively large scale is provided.

A compound possesses the chemical structure of:wherein n is greater than zero. The compound is useful in energetic composition, particularly in linear, branched, dendritric, oligomer and cyclic oligomer azo-triazine forms.

The invention discloses a supermolecule heterojunction organic photocatalyst and a preparation method and an application method thereof. The photocatalyst is a BiOCl / PDI photocatalyst. Sheet shape BiOCl is prepared by a hydrothermal method; and perylene diimide (PDI) is synthesized by an organic synthesis method. BiOCl and PDI are taken as the raw materials to synthesize the BiOCl / PDI photocatalyst, or BiOCl and acidified PDI are taken as the raw materials to synthesize the BiOCl / PDI photocatalyst. The invention also provides an application method of using the photocatalyst to degrade organicmicro-pollutant wastewater. The preparation technology of the prepared BiOCl / PDI supermolecule photocatalyst is simple; the output is large; organic micro-pollutants in water can be efficiently degraded under a photocatalytic condition and a neutral condition without adding any oxidant; and the photocatalytic effect on cation type pollutants is better.

The invention belongs to the technical field of synthesis of organic compounds, and relates to a synthesis method of a succinimide type trifluoromethyl sulfide reagent. The CAS number of the reagent is 183267-04-1, and the structural formula of the reagent is shown in a formula (1) as described in the specification. According to the synthetic method of the succinimide type trifluoromethyl sulfide reagent, a nitrogen halogenated compound containing a succinimide structural framework, trifluoromethanesulfonate, nonafluorobutyl sulfonate, methanesulfonate and p-toluenesulfonate are used as reaction substrates and trifluoromethylthioester is used as a trifluoromethylthio source, for synthesis of the trifluoromethyl sulfuration reagent. According to the method, trifluoromethylthioester is taken as the trifluoromethylthio source, generates trifluoromethylthio negative ions under activation of fluorine negative ions, and conducts nucleophilic substitution on a reaction substrate, so the construction of a nitrogen-sulfur bond is realized, and the trifluoromethyl sulfuration reagent is obtained after separation and purification. According to the synthesis method of the trifluoromethyl sulfuration reagent, the raw materials are easy to prepare, the reaction reagent is low in price, the synthesis cost of the trifluoromethyl sulfuration reagent is remarkably reduced, and industrial production is facilitated; synthesis conditions are mild, and operation is simple and safe; and transition metal elements are not needed, and the method is green and environment-friendly.

The invention discloses a ptycene-perylene diimide derivative, a synthesis method thereof and sensing application to gas-phase volatile aromatic hydrocarbon. The ptycene-perylene diimide derivative has a special non-planar structure, so that a prepared sensing film has large specific surface area and porosity, and is rich in molecular channels, and good diffusion of molecules of an object to be detected in the film can be ensured; and meanwhile, by utilizing a capillary condensation phenomenon and the sensitive effect of fluorescent molecules on a surrounding environment in a high-excitation state, high sensitivity and high selectivity response to BTEX gas are realized, the response time and the recovery time are short, and a new thought is provided for gas-phase sensing of volatile organic compounds lacking photoelectric activity and preparation of a fluorescent sensing film with excellent performance. The preparation method is simple and convenient to operate and mild in reaction condition, the photochemistry stability and thermodynamic stability of a prepared fluorescent compound are good, and the obtained fluorescent sensing film is high in sensitivity, good in selectivity andlong in service life, and is an excellent fluorescent sensing film.

The invention belongs to the field of porous material synthesis and application, and particularly relates to a preparation method of a naphthalimide-based metal organic framework film, and an application of the naphthalimide-based metal organic framework film in hydrazine hydrate detection. The naphthalimide-based metal organic framework film is prepared from a ligand containing a naphthalimido group, zinc nitrate hexahydrate, N,N-dimethylformamide, water, ethanol and an FTO glass coated with nanometer zinc oxide in a disposable scintillation bottle by a hydrothermal technology. The prepared film has a good recognition effect on hydrazine hydrate steam. The method has the advantages of novelty, uniqueness, simple experimental steps are simple, avoiding of a complex post-treatment process,and obtaining of the required film through a one-step reaction, and the prepared film provides a good application prospect for the material in the fields of ion recognition and the like.

Diazene-directed modular synthesis is described for the preparation Csp2-Csp3 and Csp3-Csp3 linkages where one or more stereogenic quaternary carbon centers are formed. The disclosed methods are directed to the preparation of compounds of Formula (I), or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof, from compounds of Formula (II):wherein R1-R5 and q are as defined independently for each occurrence herein. A wide variety of compounds can be accessed in this manner, including oligocyclotryptamines, where the stereochemistry of each subunit is beneficially secured before fragment coupling.

The present invention discloses a non-glutaraldehyde pre-installable dry biological valve material and a preparation method and an application thereof, and belongs to the technical field of medical materials. The preparation method comprises the following specific steps: a, decellularizing a pig or bovine pericardium material; b, soaking the decellularized pericardium in a glycidyl methacrylate oracrylic anhydride solution to introduce a carbon-carbon double bond structure; c, soaking the material in an aqueous solution of propyl methacrylate 3-sulfonate; d, adding an initiator for double bond polymerization cross-linking; e, using a mixed solution of carbodiimide and N-hydroxysuccinimide for cross-linking fixation; f, soaking the material in a polyphenol solution; and g, conducting storage with a micro-organism-inhibiting solution after rinsing or with an alcohol solution after dehydration drying. The preparation method can avoid problems of glutaraldehyde aldehyde group residues, easy calcification, and inability to protect elastin, at the same time, can effectively solve a problem that the dry valve material cannot be quickly flattened after being pressed and held, and potentially extends service life.

The invention relates to a method for preparing flower-like nano cadmium sulfide by using perylene bisimide derivatives as a template. By controlling different reaction time lengths between the system and the H2S gas, a Langmuir film formed by two amphiphilic perylene diimide compounds (PDI-1 and PDI-2) in novel structures on a CdCl2 subphase surface is used as a template for the first time to successfully prepare CdS nanoparticles with different flower-like shapes, of which the particle sizes are respectively 20nm, 30nm, 40nm, 60nm and 80nm. Various means are utilized to comprehensively characterize the microstructure and shape. The method is simple to operate, and the reaction process is easy to control and is carried out in a water phase at room temperature; and thus, the invention has the advantages of mild preparation conditions and low cost, and is easy to implement.