Multi-nitrogen heterocyclic compound as well as preparation method and application thereof
A technology of nitrogen heterocyclic compounds and compounds, applied in chemical instruments and methods, organic chemistry, semiconductor/solid-state device manufacturing, etc., to achieve high-efficiency electroluminescent performance, avoid aggregation, and high efficiency
Active Publication Date: 2014-04-30
VALIANT CO LTD
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Embodiment 1
[0033] Compound 1 was obtained by reacting hexaaminoimidazotriazine with carbon disulfide, triethylamine and phosphorus oxychloride in ether solution under the protection of helium at 40°C for 30 hours.
Embodiment 2
[0035] Compound 1 can be obtained by reacting hexaaminoimidazotriazine with carbon disulfide, triethylamine and phosphorus oxychloride in dipropyl ether solution under the protection of nitrogen, and reacting at 70°C for 20 hours.
Embodiment 3
[0037] Under the protection of argon, react triaminoheptaazepinephenanthene with carbon disulfide, triethylamine and phosphorus oxychloride in n-butyl ether solution, and react at 100°C for 10 hours to obtain the compound 2.
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The invention relates to a multi-nitrogen heterocyclic compound as well as a preparation method and an application thereof. The multi-nitrogen heterocyclic compound takes imidazo triazine with a triazine structure or 7-aza-phenalene as a matrix, and a plurality of isothiocyanate groups are introduced through chemical modification. The compound provided by the invention is high in thermal stability and glass transition temperature, and is respectively used as an electron transmitting material, a cavity transmitting material and a cavity injection material of an organic electroluminescence device for obtaining electroluminescence with very high color purity and efficiency.
Description
technical field [0001] The invention relates to a polynitrogen heterocyclic compound and its preparation method and application, belonging to the technical field of organic photoelectric materials. Background technique [0002] The so-called "organic luminescence" phenomenon (organic electroluminescence) generally refers to the conversion of electrical energy into light energy by organic substances. In particular, when an organic film is provided between the anode and the cathode and a potential is applied between the two electrodes, holes and electrons are respectively injected into the organic film from the anode and the cathode. The above-mentioned injected holes and electrons form excitons when they recombine. Further, light is emitted when the excitons drop to the ground state. [0003] In addition to the above-mentioned organic light-emitting mechanism in which light is emitted by the recombination of charges injected from both poles, there is another light-emitting ...
Claims
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Login to view more IPC IPC(8): C07D487/22C07D487/16C09K11/06H01L51/54
CPCC07D487/16C07D487/22H10K85/6572
Inventor 林存生刘英瑞高树坤付文岗石宇倪雷
Owner VALIANT CO LTD
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