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6 results about "Diazine" patented technology

Diazines are a group of organic compounds having the molecular formula C₄H₄N₂. Each contains a benzene ring in which two of the C-H fragments have been replaced by isolobal nitrogen.

Sealing agent, preparation method thereof and polyamide acid slurry

The invention discloses a sealing agent, a preparation method thereof and polyamide acid slurry. The sealing agent is a compound represented by formula 1, in the formula 1, R1 is an asymmetric structure, and R1 is selected from one of the following structures: alkylene, a divalent group derived from a compound containing an aromatic ring, and a divalent group derived from a compound containing an aliphatic ring, and R2 and R3 each have an m-dinitrogen five-membered heterocyclic ring. The sealing agent is introduced into the polyamic acid, so that low-temperature stepped curing and terminal crosslinking of the polyamic acid can be realized, and the generation of salt by-products can be reduced or even avoided.
Owner:YONGJIANG LAB

A method for preparing indene diazine compounds and oxadiazine insecticides

PendingCN122325407AIsopropylDiazine
This invention relates to a method for preparing indene diazine compounds and oxadiazine insecticides, belonging to the field of pesticide technology. The structure of the indene diazine compound is shown in Formula II: where R is methyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, phenyl, or a substituted phenyl group. The indene diazine compound shown in Formula II is used to prepare the oxadiazine insecticide shown in Formula I. This invention avoids the use of high-risk materials such as phosgene, triphosgene, and sodium hydride. After multiple batch verifications, the overall reaction yield is stable and suitable for industrial production.
Owner:SHANDONG SHIGAODE PLANT NUTRITION TECH CO LTD

An organic compound and an organic electroluminescence device

The application relates to an organic compound and an organic electroluminescent device. The structure of the organic compound is shown in formula (A), the structure of the application adopts rigid 4,5-diazine-9,9-spirobifluorene as a skeleton, the SP2 hybrid nitrogen atom and the spirobifluorene structure both have good electron transport properties, and have high thermal stability; after peripheral modification, the voltage in the organic electroluminescent device can be effectively reduced, thereby reducing the power consumption of the device.
Owner:GUANGDONG AGLAIA OPTOELECTRONICS MATERIALS

A process for the production of tanned leather, skins or pelts by non-metal tanning

UndeterminedPK141464APulp and paper industryDiazine
A process for the production of Tanned. leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) bein£ a sulphogroupcontaining dichloro-diazine selected from compound of formula (I)of formula (II) and mixtures of two or more thereof, wherein R1 signifies hydrogen, methyl, methoxy, benzoyl, naphthoyl,, mono- or di(C1-4-alkyl)-aminocarbonyl, C1-8-alkoxy-carbonyf or oxymono- or ofigo-(C2-3-alkyleneoxy)-carbonyl R2-(SO3M)n signifies a radical of formulaR3 signifies hydrogen, C1-8-alkyl or C1-8alkoxy, m . is 1 or 2, ' h is 1 or 2 and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.
Owner:CLARIANT INT LTD

Method for synthesizing 1, 4-dinitrogen seven-membered heterocyclic compound

PendingCN121064111AOrganic chemistryImidazolidinePtru catalyst
The invention belongs to the field of organic synthesis, and discloses a method for synthesizing a 1, 4-dinitrogen seven-membered heterocyclic compound. Specifically, the invention relates to a method for preparing a series of 1, 4-dinitrogen seven-membered heterocyclic compounds by catalyzing a cyclobutenone compound and an imidazoline compound to react through a Lewis acid catalyst. The method comprises the following specific operation steps: under the protection of argon, adding a Lewis acid catalyst into a reaction tube, then adding a cyclobutenone compound and an imidazolidine compound, then carrying out a heating reaction, and after the reaction is completed, carrying out quenching purification and separation to obtain the 1, 4-dinitrogen seven-membered heterocyclic compound. The method has the advantages of good substrate applicability, mild reaction conditions and high reaction yield.
Owner:CHANGZHOU UNIV