59 results about "Phenanthrene" patented technology

The group of inventions relates to the field of medicine, pharmacology and the chemical and pharmaceutical industry and includes an improved method for producing (10S, 13S, 16R, 17R)-17-hydroxy-10,13,16-trimethyl-17-propanoyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3-one (compound of formula (I)) and the use thereof for industrial batch, semi-continuous and continuous chemical production. Also described is a method for producing an intermediate compound, Vamorolone Acetate. The method for producing the compound of formula (I) is carried out according to the schema depicted. The production method makes it possible to produce the compound of formula (I) with a purity suitable for the use thereof in a finished dosage form for subjects requiring treatment for Duchenne muscular dystrophy. Thus, the technical results of the present invention consist in an improved production method which results in: a high yield and chemical purity, including stereoisomeric purity, of the compound of formula (I) and intermediate products in the synthesis of the compound of formula (I), which are suitable for use in a finished dosage form for subjects requiring treatment for Duchenne muscular dystrophy; the adaptability of the synthesis of the compound of formula (I) to industrial production; environmentally-friendly production; and a decrease in the formation of undesirable by-products.

Method for producing a flame-retardant polyester, comprising the following steps: - Reaction of a chain-forming monomer (A) with a phosphorus-containing polyester (B) and at least a difunctional alcohol (C) to form a reaction mixture, wherein the reaction is carried out at a temperature at which alcoholysis of the phosphorus-containing polyester (B) takes place, wherein the phosphorus-containing polyester (B) is obtainable by polycondensation of phosphorus-containing monomers (B1) with ester-forming monomers (B2), wherein the phosphorus-containing monomer (B1) is selected from the addition products of 9,10-dihydro-9-oxa-10-phospha-phenanthrene-10-oxide (DOPO) and core-substituted DOPO derivatives to unsaturated compounds from the group of mono- and polyvalent carboxylic acids and their anhydrides, and the ester-forming monomer (B2) is selected from the group consisting of mono- and polyhydric alcohols, mono- and polyhydric carboxylic acids and mixtures thereof, and - Producing a flame-retardant polyester from the reaction mixture, wherein the flame-retardant polyester comprises units of the chain-forming monomer (A), the phosphorus-containing polyester (B) and the at least difunctional alcohol (C).

The invention provides a flexible flame-retardant polypropylene cable material and a preparation method thereof. The soft flame-retardant polypropylene cable material is prepared from the following raw materials in parts by mass: 50 to 70 parts of modified polypropylene, 0.5 to 1.0 part of antioxidant, 0.5 to 1.0 part of ultraviolet absorbent and 2 to 5 parts of pigment, wherein the modified polypropylene is obtained by polymerizing a flame-retardant monomer, butyl acrylate and 2-ethylhexyl acrylate; the preparation method comprises the following steps: reacting 9, 10-dihydro-9-oxo-10-phosphine-phenanthrene with fumarate to generate a phosphine flame-retardant intermediate containing a phosphine oxygen group and a diester group; and then grafting the flame-retardant intermediate to a side chain of polypropylene by using a free radical initiator to obtain a high-flexibility flame-retardant polypropylene cable material, and improving the characteristics of difficult dispersion, strong rigidity and the like of DOPO as a flame retardant.

The invention discloses a nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1) with a capability of degrading multiple pollutants and an application of the nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1, and belongs to the technical field of screening and application of functional microorganisms. The strain is derived from a chicken manure aerobic composting environment, the preservation number is GDMCC No: 67351, and nitro polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons and tetracycline antibiotics can be efficiently degraded at the same time. In a single pollutant with the concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceed 97% in 8 h, the degradation rate of nitrofluoranthene reaches 99.01% in 48 h, and the degradation rate of phenanthrene reaches 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the 48-hour degradation rate is kept to be 78% or above. The strain is high in degradation efficiency and strong in environmental adaptability, provides a new microbial resource for bioremediation of a combined pollution site, and has a wide application prospect.

The invention discloses a Bosea thioxidans DY-5 strain and an application of the Bosea thioxidans DY-5 strain in degradation of phenanthrene and benzopyrene. The strain Bosea thioxidans DY-5 is obtained through domestication, separation and identification from petroleum-contaminated soil of Ningbo, phenanthrene and benzopyrene can be used as carbon sources, and after the strain is cultured in an inorganic salt culture solution with the initial concentration of phenanthrene and benzopyrene being 50 mg.L <-1 > and 25 mg.L <-1 > respectively for 7 days, the degradation rate of phenanthrene and benzopyrene can reach 75% or above. Therefore, the strain has good application potential in the aspect of bioremediation of polycyclic aromatic hydrocarbon.

The utility model belongs to the technical field of deep processing of coal tar, and particularly relates to a decrystallized anthracene oil production system which comprises a main decrystallized anthracene oil tank, and a main feeding pipe, a main discharging pipe and a main discharging pump which are arranged on the main decrystallized anthracene oil tank, the auxiliary feeding pipe, the auxiliary discharging pipe and the auxiliary discharging pump are arranged on the auxiliary anthracene removal tank; and the mixing tank is connected with outlets of the main feeding pipe and the auxiliary discharging pipe. Cooling, crystallizing and centrifugally separating anthracene oil extracted from the bottom of the tar rectifying tower to obtain decrystallized anthracene oil and crude anthracene; and removing anthracene, phenanthrene, carbazole and the like in the crude anthracene through subsequent refining to obtain heteroanthracene-removed oil. Generally, the viscosity of impurity-removed anthracene oil is large, the viscosity of de-crystallized anthracene oil is small, the impurity-removed anthracene oil and the de-crystallized anthracene oil are conveyed into a mixing tank through a main discharging pipe and an auxiliary discharging pipe respectively and mixed in the mixing tank, and the feeding amount of the impurity-removed anthracene oil and the feeding amount of the de-crystallized anthracene oil are adjusted by adjusting the flow of a main discharging pump and the flow of an auxiliary discharging pump, so that the viscosity of mixed liquid (mixed anthracene oil) in the mixing tank is adjusted; therefore, the viscosity requirements for different purposes can be met.

This invention discloses a method for enhancing the degradation of adsorbed phenanthrene on biochar by sphingosine-containing bacteria. The method includes the following steps: 1) mixing sphingosine-containing bacteria solution with phenanthrene-adsorbed biochar in a culture medium solution; 2) adding an exogenous iron chelating agent and a ferric salt solution to the mixture, and then incubating under natural conditions to degrade and remove the phenanthrene adsorbed on the biochar. This invention uses an exogenous iron chelating agent and ferric salt to enhance the degradation efficiency of microorganisms on adsorbed phenanthrene on biochar, strengthens the regeneration of biochar adsorption performance through microbial degradation, improves the long-term effectiveness of biochar in soil pollution fixation and control, reduces the risk of secondary pollution, and provides technical support for improving soil environmental quality. It has good economic and environmental benefits in practical applications.

The invention relates to the field of organic pollution wastewater treatment, and particularly discloses a preparation method and application of modified composite algae-based biochar. The method comprises the following steps: (1) collecting two green algae raw materials, centrifuging, drying, grinding, screening and filtering to obtain dehydrated algae powder; (2) mixing the two kinds of algae powder according to a ratio, fully dipping by using a zinc chloride solution, further drying, carbonizing and activating under the protection of nitrogen to obtain activated modified composite algae-based biochar; and (3) washing the activated biochar material with diluted hydrochloric acid to remove impurities, performing high-temperature pyrolysis activation again, cooling, washing, drying, and sieving to obtain the final composite algae-based biochar. The raw materials are wide in source, the green algae enteromorpha is algae bloom algae species, and the purpose of treating waste with waste is achieved; the preparation process of the material is simple and controllable, easy to industrialize and relatively low in cost; the obtained product has mild adsorption experiment reaction conditions on organic pollution phenanthrene in water, and has excellent removal effect and regeneration capacity.

The invention provides a residual oil hydrocracking conversion degree evaluation method, which comprises: 1, determining the content of a characteristic compound in an aromatic hydrocarbon component in a residual oil raw material, and recording the content as D; 2, carrying out a hydrocracking reaction on the residual oil raw material to obtain a hydrocracking liquid product, determining the content of the characteristic compound in the aromatic hydrocarbon component in the hydrocracking liquid product by using the same method as the step 1, and recording the content as E; 3, the residual oil hydrocracking conversion degree is determined according to the E / D value, and the larger the E / D value is, the higher the residual oil hydrocracking conversion degree is; wherein the characteristic compounds are benzene, naphthalene, phenanthrene, dibenzothiophene and alkyl substitutes thereof. The selected characteristic compound has good representativeness, the chromatographic analysis result of the characteristic compound is easy to identify and process, the proposed parameters and the conversion degree of the residual oil have good relevance, and the method has good operability.

The application provides a degrading bacteria agent for alkane and polycyclic aromatic hydrocarbon in high-salt water body and application thereof. The bacteria agent contains Bacillus thuringiensis NH26 strain, and is prepared by activating, fermentation culture, bacteria body collection, suspension preparation and freeze-drying of the NH26 strain. The Bacillus thuringiensis NH26 bacteria agent prepared by the application has excellent degradation capacity for alkane and polycyclic aromatic hydrocarbon, for example, the total degradation rate of 20 g / L diesel oil is 90.2%, and the total degradation rate of 50 g / L diesel oil is 84.8%. In addition, the degrading bacteria agent of the application also has strong degradation capacity for polycyclic aromatic hydrocarbon in seawater, for example, the removal rate of 50 mg / L phenanthrene in seawater is 68.56%, and the removal rate of 100 mg / L phenanthrene is 63.47%, so that the bacteria agent of the application can be applied to repair high-salt water body polluted by alkane and polycyclic aromatic hydrocarbon.

This invention discloses a strain of *Pseudomonas nicosulfuron-methyl* capable of degrading multiple pollutants. Pseudomonas nicosulfuronedens HD1 and its applications belong to the field of functional microbial screening and application technology. This strain, originating from an aerobic composting environment of chicken manure (accession number GDMCC No:67351), can simultaneously and efficiently degrade nitropolycyclic aromatic hydrocarbons (NPH), polycyclic aromatic hydrocarbons (PAHs), and tetracycline antibiotics. In single pollutants at a concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceeded 97% after 8 hours; the degradation rate of nitrofluoranthene reached 99.01% after 48 hours; and the degradation rate of phenanthrene reached 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the degradation rate remained above 78% after 48 hours. This strain exhibits high degradation efficiency and strong environmental adaptability, providing a new microbial resource for the bioremediation of multi-contaminated sites and possessing broad application prospects.

The invention discloses three kinds of ortho-substituted diaryl benzene weak acting group organic light-emitting materials with narrow-band emission. The three kinds of ortho-substituted diaryl benzene weak acting group organic light-emitting materials are a compound 19-Naph-Phen-Ben, a compound 99-Phen-Ben and a compound 91-Phen-Pyre-Ben. According to the preparation method disclosed by the invention, 9-(2-bromophenyl) phenanthrene is used as a raw material, and the 9-(2-bromophenyl) phenanthrene and arylboronic acid are subjected to suzuki coupling reaction to obtain corresponding ortho-substituted diaryl benzene. According to the ortho-substituted diaryl benzene weak acting group organic light-emitting material, space conjugation can be regulated and controlled by changing the size of an aryl element, so that a vibration energy level emission peak is inhibited, ultra-narrow band emission with the half-peak width smaller than 10 nm is finally achieved, and the ortho-substituted diaryl benzene weak acting group organic light-emitting material has the potential of being applied to photoelectric devices.

The invention relates to the technical field of flame retardants, in particular to a P / N synergistic flame retardant, a preparation method thereof and application of the P / N synergistic flame retardant in epoxy resin. A conventional flame retardant is complex in structure, poor in compatibility with epoxy resin and large in influence on the performance of the epoxy resin. In order to solve the problems, the flame retardant is synthesized through a two-step method, firstly, 5-aminotetrazole and benzaldehyde or a derivative thereof react to generate a Schiff base intermediate, and then the intermediate and 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide are subjected to a phosphorus-hydrogen addition reaction to obtain a final product. The limit oxygen index of the composite material can be increased to 35.8% by only adding 4wt% of the composite material into epoxy resin, the vertical combustion grade reaches UL-94 V-0 grade, and meanwhile, the influence on the original high transparency and mechanical property of the material is extremely small. The invention provides a new technical scheme for preparing the high-performance environment-friendly flame-retardant epoxy composite material.

This invention relates to the field of organic photovoltaic (PV) device technology, specifically to an organic PV device based on disk-shaped liquid crystal molecules, its fabrication method, and its applications. The organic PV device based on disk-shaped liquid crystal molecules provided by this invention comprises an anode substrate, a hole transport layer, an active layer, an electron transport layer, and a metal cathode stacked sequentially. The active layer is composed of a donor material, an acceptor material, and a benzo[a]phenanthrene disk-shaped liquid crystal derivative. The benzo[a]phenanthrene disk-shaped liquid crystal derivative self-assembles into a two-dimensional columnar superlattice nanostructure. The benzo[a]phenanthrene disk-shaped liquid crystal derivative has the structure shown in Formula I and / or Formula II, where R1 and R2 independently comprise a cycloalkane-furanyl or adamantyl group. Based on the self-assembly behavior of the benzo[a]phenanthrene disk-shaped liquid crystal derivative, this invention constructs an ordered columnar superlattice structure by controlling its steric hindrance and dipole interactions, significantly improving the charge transport efficiency and energy conversion efficiency of the device.

The invention discloses separation and identification of a yeast Rhodotorula mucilaginosa DY-1 for degrading phenanthrene and benzopyrene in petroleum contaminated soil, and an application of the yeast Rhodotorula mucilaginosa DY-1 for degrading phenanthrene and benzopyrene in petroleum contaminated soil. The strain Rhodotorula mucilaginosa DY-1 is domesticated, separated and identified from petroleum-polluted soil in Ningbo City in Zhejiang Province, phenanthrene and benzopyrene can be used as carbon sources, and after the strain is cultured for 7 days in an inorganic salt culture solution with the initial concentration of phenanthrene and benzopyrene being 50 mg.L <-1 > and 25 mg.L <-1 > respectively, the degradation rate of phenanthrene and benzopyrene can reach 70% or above. Therefore, the strain has good application potential in the aspect of bioremediation of polycyclic aromatic hydrocarbon.

The invention discloses a method for preparing perhydrophenanthrene by phenanthrene hydrogenation through a two-step method, and solves the problems of high subsequent separation energy consumption, high reaction temperature and poor safety caused by use of a solvent in the prior art. The invention adopts a solvent-free two-step hydrogenation method which comprises the following steps: step 1, under a solvent-free condition, carrying out primary hydrogenation by taking solid phenanthrene as a raw material and adopting a non-noble metal catalyst to obtain an unsaturated liquid product octahydrophenanthrene; and 2, carrying out a deep hydrogenation reaction on the unsaturated liquid product and a noble metal catalyst to finally obtain perhydrophenanthrene. According to the method, no solvent is used, the technological process is simplified, and production energy consumption and equipment investment are reduced; the catalyst combination of non-noble metal and noble metal is adopted, and the catalyst can be recycled, so that the production cost is remarkably reduced; meanwhile, the reaction conditions are mild, and the production safety and the perhydrophenanthrene cis-isomer selectivity are improved. The method is suitable for large-scale and economic preparation of high-energy-density aviation fuel precursors, namely perhydrophenanthrene and octahydrophenanthrene.

The application discloses a kind of flame-retardant and ultraviolet shielding water-based polyurethane and preparation method thereof.It is polymerized by diisocyanate, polyol, phosphorus-nitrogen-containing flame-retardant and ultraviolet shielding functional monomer, chain extender and hydrophilic chain extender;The method is that aromatic intermediate is obtained by reacting p-aminophenol and 2,4-dihydroxybenzaldehyde;Phosphorus-nitrogen-containing flame-retardant and ultraviolet shielding functional monomer is obtained by reacting aromatic intermediate and 9,10-dihydro-9-oxa-10-phospha-phenanthrene-10-oxide;Diisocyanate, polyol and hydrophilic chain extender are reacted, phosphorus-nitrogen-containing flame-retardant and ultraviolet shielding functional monomer and chain extender are added, acetone is added, and prepolymer is obtained by continuing to react;The prepolymers are cooled, neutralized by neutralizing agent, poured into deionized water, stirred, acetone is removed, and the flame-retardant and ultraviolet shielding water-based polyurethane is obtained.The preparation method is simple, the obtained polyurethane has good flame-retardant and ultraviolet shielding performance, and has wide application prospect in the fields of cable surface treatment and fabric finishing agent.

The invention discloses a salt-tolerant pseudomonas stutzeri capable of efficiently degrading polycyclic aromatic hydrocarbon and application of the pseudomonas stutzeri. The strain is preserved in Guangdong Microbial Culture Collection Center on June 24, 2024, and the preservation number is GDMCC (China General Microbiological Culture Collection Center): 64785. The strain can efficiently degrade phenanthrene and has good environmental adaptability, under the conditions that the pH is 6-8, the salinity is 0-3% and the temperature is 30 DEG C, the degradation rate of 200 mg / L phenanthrene in 48 h can reach 96% or above, and the strain also has efficient degradation capacity for high-concentration phenanthrene. In addition, the strain WH-1 has a certain degradation broad spectrum, and can degrade polycyclic aromatic hydrocarbon fluorene or pyrene, dibenzothiophene and biphenyl. The pseudomonas stutzeri WH-1 obtained by the method disclosed by the invention has a relatively great application potential in the bioremediation of environmental polycyclic aromatic hydrocarbon pollution, and can be applied to the bioremediation of the environmental polycyclic aromatic hydrocarbon pollution.

The invention belongs to the technical field of soil remediation, and particularly relates to a preparation method of a biochar composite material and a soil remediation method. Comprising the following steps: preparing a charcoal specific adsorption material; preparing an earthworm mucus adhesive; and compounding and granulating the biochar microorganisms. According to the preparation method, phenanthrene is taken as a template molecule, 4-vinylpyridine is taken as a functional monomer, charcoal is taken as a loading material, and the charcoal specific adsorption material capable of specifically recognizing the polycyclic aromatic hydrocarbon pollutants is prepared through a pi-pi stacking effect between phenanthrene and 4-vinylpyridine; the biochar composite material is prepared by taking a biochar specific adsorption material as a loading material of a composite microbial agent, and can specifically adsorb polycyclic aromatic hydrocarbon pollutants in soil, so that microorganisms in the composite microbial agent can continuously degrade the polycyclic aromatic hydrocarbon pollutants such as phenanthrene and pyrene in a large range, and the polluted soil is effectively repaired.

This invention belongs to the field of organic and polymer synthesis technology, specifically relating to a method for synthesizing polynaphthalene-phenanthrene ether polymers. In the field of polymer synthesis methodology, condensation polymerization is a common polymerization method. This method typically uses functional groups to participate in the polymerization reaction. The introduction of functional groups not only increases the cost of monomer synthesis but also leads to storage difficulties due to their reactivity issues, requiring the addition of end-capping reagents at reaction termination. Therefore, developing C-H bond condensation polymerization methods is of great significance. This invention proposes an oxidative polymerization method for naphthalene-phenanthrene ether monomers. This method uses polycyclic aromatic hydrocarbons naphthalene and phenanthrene as C-H bond donors, and selective oxidative coupling polymerization of the naphthalene-phenanthrene backbone structure can be achieved by controlling the oxidant and solvent conditions to obtain polynaphthalene-phenanthrene ether (see abstract figure). The polymer obtained by this method exhibits good thermal stability and a high glass transition temperature, as tested by DSC and TGA, possessing the performance characteristics of high-performance engineering plastics.

The application discloses a salt-tolerant and polycyclic aromatic hydrocarbon-degradable Pseudomonas taiwanensis SYSU M80001. The strain is preserved in the China General Microbiological Culture Collection Center on March 3, 2023, and the preservation number is CGMCC No. 26731. The degradation efficiency of the strain to 100 mg / L phenanthrene is 88%, and the strain can tolerate high-concentration phenanthrene and has high-efficiency degradation capacity to high-concentration phenanthrene. Meanwhile, the strain also has good salt tolerance, and can tolerate 5% salinity at most, and has good phenanthrene degradation performance under 0-4% salinity, and the phenanthrene degradation efficiency under 3% salinity is the highest. In addition, the strain also has degradation potential to naphthalene, anthracene and other polycyclic aromatic hydrocarbons. It is shown that the Pseudomonas taiwanensis SYSU M80001 screened in the application can efficiently degrade polycyclic aromatic hydrocarbons, and is especially suitable for PAHs pollution remediation in high-salinity environments such as estuaries.

This application relates to the field of organic electroluminescent materials technology, providing a compound and an organic electroluminescent device and electronic device comprising the same. The compound structure of this application contains a core structure of phenanthrene[2,1-b]benzofuran, with the core linked to a substituted triazine group at a specific position, serving as an electron transport host material. When this compound is used as an electron transport material in a hybrid host material, it can improve carrier balance in the luminescent layer, broaden the carrier recombination region, improve exciton generation and utilization efficiency, and enhance device luminous efficiency and lifetime.

This invention relates to the field of compound synthesis technology, specifically disclosing a method for synthesizing 2-bromophenanthrene. The method includes the following steps: adding phenanthrene to a solvent, then adding sodium hydroxide and sodium bromide to the solvent, followed by dropwise addition of an aqueous solution of sodium hypobromite, stirring the reaction mixture to obtain the product 2-bromophenanthrene. The synthesis method provided by this invention is low-cost and has a high yield.

The invention discloses a hydrogenation catalyst with a ZMQ-1 molecular sieve as a carrier and a preparation method and application thereof, and belongs to the technical field of hydrogenation catalysts, the modified ZMQ-1 molecular sieve is used as the carrier, and Ni-CePO4 is used as an active component; the proportion of Ni-CePO4 in the hydrogenation catalyst is 11 to 22 percent; the preparation method of the modified ZMQ-1 molecular sieve comprises the following steps: (1) carrying out chitosan-gallic acid coating treatment; step (2), carbonization treatment; step (3), perfluorinated sulfonic acid resin modification treatment; and (4) amino acid modification treatment. Through the mode, the polycyclic aromatic hydrocarbon hydrogenation catalyst is prepared by taking the modified ZMQ-1 molecular sieve as a carrier and Ni-CePO4 as an active component, and the hydrogenation catalytic activity of the catalyst can be improved. The conversion rate of phenanthrene can be up to 94%.

The invention provides an application of 9, 10-hydrophenanthrene (saturated type) and phenanthrene (unsaturated type) in a medicine for treating fatty liver, and a benzyl-substituted compound of the type, which shows a sufficiently obvious pharmacological effect of reducing liver lipid accumulation on a cell model of palmitic acid-induced hepatocyte triglyceride (TG) accumulation and a non-alcoholic steatohepatitis (NASH) animal model.

The application discloses a strain of bacteria DY-11 for degrading phenanthrene and benzopyrene in oil-contaminated soil and application thereof. The strain is Achromobacter anxifer DY-11, and the preservation number is GDMCC No: 66005. Experiments prove that the strain DY-11 can utilize phenanthrene and benzopyrene as carbon sources to degrade them, and the degradation rates of the phenanthrene and the benzopyrene can reach more than 65% after the strain is cultured in inorganic salt culture solution with the initial concentration of the phenanthrene or the benzopyrene being 50 mg·L ‑1 and 25 mg·L ‑1 respectively for 7 days. Therefore, the strain DY-11 is a strain capable of degrading phenanthrene and benzopyrene and having strong tolerance to the phenanthrene and the benzopyrene, has strong adaptability to polycyclic aromatic hydrocarbons, and has good application potential in biological remediation.

The invention discloses a preparation method of 2-aza [5] helicene, and belongs to the field of organic synthesis. The preparation method comprises the following steps: firstly, taking commercialized 2, 3-dihydrophenanthrene-4 (1H)-ketone as an initial raw material, and generating a 4-bromo-1, 2-dihydrophenanthrene-3-formaldehyde compound through a Vilsmeier-Haack reaction; secondly, the 4-bromo-1, 2-dihydrophenanthrene-3-formaldehyde and the 2, 3-dichloro-5, 6-dicyanobenzoquinone are subjected to oxidative aromatization, and a 4-bromophenanthrene-3-formaldehyde compound is generated; then, a Suzuki coupling reaction is catalyzed through palladium, and axial chirality 4-(4-methylpyridine-3-yl) phenanthrene-3-formaldehyde is constructed; and finally, carrying out intramolecular Aldol condensation / cyclization reaction to realize'shaft-to-screw 'transfer, so as to successfully obtain the target product 2-aza [5] helicene. The raw materials adopted by the method are cheap and easy to obtain, and the synthesis method is simple to operate and meets the requirements of industrial production.

The application belongs to the technical field of soil remediation, and particularly relates to a preparation method of a biochar composite material and a soil remediation method. The method comprises the following steps: preparation of a biochar specific adsorption material; preparation of a earthworm mucus adhesive; and compounding and granulation of biochar microorganisms. In the application, phenanthrene is used as a template molecule, 4-vinylpyridine is used as a functional monomer, and biochar is used as a loading material. Through the pi-pi stacking effect between phenanthrene and 4-vinylpyridine, the biochar specific adsorption material with specific recognition of polycyclic aromatic hydrocarbon pollutants is prepared. The biochar specific adsorption material is used as a loading material of a composite microbial agent to prepare a biochar composite material. The biochar composite material can specifically adsorb polycyclic aromatic hydrocarbon pollutants in the soil, so that the microorganisms in the composite microbial agent can continuously degrade a large range of polycyclic aromatic hydrocarbon pollutants such as phenanthrene and pyrene, and the contaminated soil is effectively remediated.

The present application relates to a kind of coal chemical industry wastewater multistage processing method, belong to wastewater treatment technical field.The organic matter removal agent in the coal chemical industry wastewater multistage processing method of the present application has good removal effect to multiple organic matters (including lipophilic organic matter volatile phenol, thiophene, pyridine, quinoline, furan, naphthalene, anthracene, phenanthrene and hydrophilic organic matter carbazole, indole and pyrrole) in coal chemical industry wastewater of different pH.The coal chemical industry wastewater multistage processing method of the present application is not sensitive to the pH of wastewater, and the applicability is wider, can process multiple different pH wastewater, save pretreatment step, reduce processing cost.The carbonic acid dimethyl ester and amide oxime in the organic matter removal agent in the coal chemical industry wastewater multistage processing method of the present application have synergistic effect, both can play synergistic effect, improve the removal rate of multiple organic matters in coal chemical industry wastewater.

This invention discloses a compound containing triazine and phenanthrene, belonging to the field of semiconductor materials technology. The structure of the compound is shown in general formula (1). This compound has good electronic modulation ability and hole and exciton blocking ability, and also has good stability. When the compound of this invention is used as a hole blocking layer material for organic electroluminescent devices, the luminous efficiency and working life of the organic electroluminescent devices can be significantly improved. General formula (1)