258 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 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 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 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 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 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 invention discloses a 2,5,8,11-tetrabromo-1,6,7,12-tetrachloro 3,4:9,10-tetracarboxylic acid perylene diimide compound, a preparation method and an application thereof. The compound is as shown in a formula I and a formula I'. The compound as shown in the formula I and the formula I' has a yield of 30-95 % after separation and purification, and is confirmed to have a correct structure through an NMR spectra (1H-NMR) and a mass spectrometry (MS). The method is simple and high-efficient, greatly reduces reaction steps, prevents use of expensive heavy metals, and saves cost, solvents and time.