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5 results about "Chrysene" patented technology

Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C₁₈H₁₂ that consists of four fused benzene rings. It is a natural constituent of coal tar, from which it was first isolated and characterized. It is also found in creosote at levels of 0.5-6 mg/kg.

Dibenzo[g,p]chrysene derivatives

4H-benzo[p]indeno[7,1,2-ghi]chrysen-4-one is synthesized, and the reactivity of the carbonyl group of this compound is clarified to synthesize 4,4'-(4H-benzo[p]indeno[7,1,2-ghi]chrysen-4,4-diyl)diphenol. [Solution] The present invention is based on the following formula: [C1] JPEG2026084409000037.jpg24115 This relates to compounds represented by [the specified formula / method].
Owner:RYUKOKU UNIVERSITY

Method for degrading polycyclic aromatic hydrocarbons in coal gangue and application thereof

The application provides a degradation method of polycyclic aromatic hydrocarbons in coal gangue and application thereof, and the degradation method comprises the following steps: mixing coal gangue, microbial strains with biological weathering, microbial strains for degrading polycyclic aromatic hydrocarbons, nutrients and water, and culturing, so that the degradation of polycyclic aromatic hydrocarbons in the coal gangue is completed; the polycyclic aromatic hydrocarbons include any one or a combination of at least two of naphthalene, acetylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, indeno[1,2,3-c,d]pyrene, benz[a,h]anthracene and benzo[g,h,i]perylene. The degradation method of polycyclic aromatic hydrocarbons in the coal gangue provided by the application can simultaneously degrade multiple polycyclic aromatic hydrocarbons, and has good degradation effect.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Phosphine-containing TADF compound as well as preparation method and application thereof

The invention relates to the technical field of organic electroluminescence, in particular to a phosphine-containing TADF compound and a preparation method and application thereof, and the general formula structure of the phosphine-containing TADF compound is shown in the specification. Ar is phenyl, deuterated phenyl, biphenyl, partially deuterated biphenyl, terphenyl, partially deuterated terphenyl, naphthyl, 9-phenyl anthryl, pyrenyl, phenanthryl, phenyl, benzanthryl, dibenzofuranyl, dibenzothienyl, 9, 9-dimethyl fluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9 the structural formula is selected from any one of 9-phenyl fluorenyl, 9-diphenyl fluorenyl, 9-phenyl dibenzo carbazolyl and partially deuterated 9-phenyl dibenzo carbazolyl, or partially deuterated 9-phenyl dibenzo carbazolyl. The phosphine-containing TADF compound is high in molecular rigidity, has the advantages of high glass transition temperature and good thermal stability, is high in fluorescence quantum efficiency, and remarkably improves the luminous efficiency of a device. The organic electroluminescent element using the compound as a host luminescent material has higher luminous efficiency and longer service life.
Owner:YANTAI GEM CHEM CO LTD

A method for self-assembly of inorganic nanoparticles based on host-guest interaction

ActiveCN115592109BNanostructure assemblyOrganic compound preparationCarbon numberNanoparti cles
The application discloses a controllable assembly method of nanoparticles. The method is realized by complexing carboxyl-modified pillar[5]arene (CP[5]A) and pyrene butyric acid grafted organic imidazole salt through host-guest interaction. Through a two-step simple substitution reaction, 1-methyl-3-(10-(4-pyrene-1-butanoic acid)-chrysene-1H-imidazole bromide and derivatives containing different carbon numbers are synthesized, which are mixed with the reported CP[5]A to obtain the assembly system. By adjusting the concentration of the host and guest organic matters and the chain length of the guest organic matter, AuNPs can be controllably assembled and form well-defined one-dimensional and two-dimensional structures, especially the fine assembly of AuNPs can be realized. The assembly system has high stability and can exist stably for months. Meanwhile, the assembly system has good universality and can be used to assemble different types of nanoparticles, such as silver nanoparticles, silver nanosheets, iron gold nanoparticles and gold nanorods, and is a simple and universal assembly platform.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products

Provided herein are reactive aromatic molecules (e.g., substituted chrysene heterodimers) encodable as base-four sequences for the design and integrated synthesis of nucleic acids (e.g., DNA, RNA, hybrid DNA / RNA) and associated phospholipid bilayers (e.g., cellular membranes). For example, 3,6,9,12-tetrasubstituted chrysene is coupled with 6,12-disubstituted chrysene through π-electron stacking to form a base-four heterodimer. The orientation of the ring structure of the tetrasubstituted chrysene in this heterodimer comprises a base-two (binary) structure and the relative alignment of the ring structure of the disubstituted chrysene to the tetrasubstituted chrysene comprises a second independent base-two (binary) structure. This collectively results in a base-four (quaternary) complex composed of four independent reaction environments. Methods of forming the heterodimers (and conjugated systems) include coupling sidechains of ethoxylated alcohol by phosphorylation. This may result in phosphodiester linkages at the 6,12 positions and / or uncoupled phosphorylated sidechains of ethoxylated alcohol at the 3,9 positions of the reactive aromatic molecules. The uncoupled phosphorylated sidechains may polymerize with adjacent tetrasubstituted chrysene through phosphodiester linkages. Various methods for initiating a reaction (e.g., oxidative cleavage) within the assembly of these π-electron stacked heterodimers can be utilized to produce nucleic acid sequences from the stacked tetrasubstituted chrysenes along with an associated phospholipid structure from the coupled disubstituted chrysene. Also provided herein are encoding and decoding design relations that can be utilized to map the base-four substituted chrysene heterodimers to the base-four nucleic acids (e.g., DNA, RNA, hybrid DNA / RNA). The present disclosure also includes various methods of regulating the sequence of substituted heterodimers to produce a specific encoding type of nucleic acid (e.g., DNA, RNA, hybrid DNA / RNA) and direct the 5′-3′ polymerization direction. The present disclosure also includes polycyclic pharmaceutical molecular agents resultant from the structural correlations in deriving the base-four heterodimer for subsequent synthesis to a sequence of nucleic acids and phospholipids.
Owner:SCHAPER CHARLES