10 results about "Diazole" patented technology

This invention provides an organic electroluminescent device. The organic electroluminescent device comprises a first compound having the structure shown in Formula I and a second compound having the structure shown in Formula II, wherein the first compound is a polysubstituted benzodiazole structure, and the second compound is an amine compound having a benzofuran group, a benzothiophene group, a carbazole group, or a fluorene group. This invention provides that the first and second compounds have better structural matching, better hole injection capability, and excellent charge generation capability. Combining the first and second compounds to prepare the organic electroluminescent device can reduce the device voltage, improve device efficiency, and extend device lifespan.

The objective is to provide a shortened manufacturing method for (alkylsulfonyl)pyridine-N-substituted amidine derivatives or (alkylsulfonyl)pyridine-diazole heterocyclic derivatives that have pest control properties. [Solution] By reacting an (alkylsulfonyl)pyridine-amidine derivative with R6-O-NH2, the corresponding (alkylsulfonyl)pyridine-N-substituted amidine derivative can be directly produced. Furthermore, this manufacturing process provides a shortened manufacturing method for (alkylsulfonyl)pyridine-diazole heterocyclic derivatives.

This invention discloses a high-fire-resistant concrete, characterized by being composed of the following components in parts by weight: 20-25 parts cement, 30-35 parts crushed stone, 10-25 parts river sand, 10-12 parts volcanic ash, 10-20 parts water, 1-3 parts epoxy-propionic acid modified octa-tetramethylcyclotetrasilazane, 0.3-0.6 parts guanidine carbonate, 1-3 parts calcium borate, 0.5-1 part waste polyarylene diazole fiber, and 0.1-0.3 parts 3-chloro-2-hydroxypropanesulfonic acid modified 2,5-bis(diethylamino)phenyl-1,3,4-diazole. This invention also discloses a method for preparing the aforementioned high-fire-resistant concrete. The high-fire-resistant concrete disclosed in this invention exhibits high fire resistance, good workability, excellent comprehensive performance, impermeability and crack resistance, durability, and high compressive strength.

The application discloses a curcumin photoaffinity probe molecule and a preparation method and application thereof, and the preparation method comprises the following steps: taking curcumin (compound II) as raw material, and reacting with 3-but-3-alkynyl-3-(2-iodoethyl) diazole alkene (compound III) under alkaline conditions to obtain the curcumin photoaffinity probe molecule (compound I), wherein a photo-crosslinking group and a biological orthogonal group are introduced at the 4th position of the curcumin photoaffinity probe molecule, the diazirine photo is the crosslinking group, can in-situ crosslink the adjacent binding protein under the condition of ultraviolet light, the alkynyl group is the biological orthogonal group, and the probe is coupled with fluorescein or biotin through a biological orthogonal coupling reaction, so that the probe is used for fluorescence detection on curcumin target protein in cells and identification of the curcumin target protein.

Embodiments of the present disclosure are directed towards spray-dried compositions including a Hf phenol-oxadiazole complex and methods utilizing these spray-dried compositions.

The present application relates to the technical field of medicine, in particular to a potential genotoxic impurity in a morpholine nitroimidazole raw material and preparation and a preparation method and application thereof.The potential genotoxic impurity is 2-methyl-5-nitro-1-nitrosoimidazole.A new structure compound 2-methyl-5-nitro-1-nitrosoimidazole of diazoles is found in the synthesis process of the morpholine nitroimidazole raw material for the first time.The compound is identified as a potential genotoxic impurity because of containing a nitrosamine warning structure.A method for analyzing the potential genotoxic impurity 2-methyl-5-nitro-1-nitrosoimidazole by using ultra-high performance liquid chromatography-mass spectrometry is established for the first time, which is of great significance to the quality control of the morpholine nitroimidazole raw material and preparation.The detection method provides a reference for the quality evaluation of other starting materials, intermediates and raw materials that can produce 2-methyl-5-nitro-1-nitrosoimidazole.

According to the present invention, by reacting an (alkylsulfonyl)pyridinecarbonitrile derivative with an aminopyridine derivative in the presence of a Lewis acid to directly produce the amidine derivative and converting the same into an N-substituted amidine derivative, and by further producing a diazole heterocyclic compound therefrom, the compound having a pest-controlling action can be produced with a small number of steps.

The invention provides an organic compound and an organic electroluminescent device comprising the same. The organic compound has a structure as shown in a formula I, the ortho-position of R2 has a benzodiazole structure and an R1 group, and W is selected from O, S or Se. According to the organic electroluminescent device prepared from the compound shown in the formula I, the compound with the structure has the capability of improving and adjusting hole injection of the device, and is used for preparing a hole injection layer, reducing the voltage of the device and improving the efficiency of the device; more importantly, the ortho R1 group of R2 also has the effect of adjusting the conductivity of the hole injection layer, and the conductivity of the hole injection layer is reduced, so that the transverse crosstalk of the OLED panel is expected to be reduced.