10 results about "Naphthalimides" patented technology

The invention relates to a synthetic method and application of a naphthalimide derivative. The synthesis method of the naphthalimide derivative comprises the following steps: reacting a compound S3 with cyano carboxylic ester to prepare a compound S4-1; carrying out a degreasing reaction on the compound S4-1 to prepare a compound S4-2; and in the presence of sodium hydride, reacting the compound S4-2 with 1, 2-dihalogenated ethane to prepare a compound S4. According to the synthesis method, the synthesis yield of amplified production can be effectively improved, purification modes such as column chromatography are not needed, and industrial synthesis and application of the naphthalimide papaya-like protease inhibitor are facilitated.

Provided in the present application are a solar cell and a preparation method therefor, an electric device, and a power generation device. The solar cell at least comprises a perovskite layer and a composite electron transport layer located on one side of the perovskite layer, the composite electron transport layer at least comprising an electron extraction layer and a first tin oxide layer, wherein the first tin oxide layer is located on the side of the electron extraction layer away from the perovskite layer; and the electron extraction layer comprises at least one of perylene imides and derivatives thereof, naphthalimides and derivatives thereof, and a semiconductor compound. In the present application, the electron extraction layer is used to replace conventional fullerene and derivatives thereof, which can reduce the manufacturing costs; and the composite electron transport layer formed by the electron extraction layer and the first tin oxide layer improves the photoelectric conversion efficiency of the solar cell, and also significantly improves the stability of the perovskite.

This invention discloses a fluorescent probe that simultaneously distinguishes between hydrogen peroxide and glutathione. The chemical structure of the probe is as follows: This fluorescent probe ingeniously combines a 1,8-naphthalenedimide fluorophore and an isophorone fluorophore, achieving for the first time a dual-channel simultaneous detection of hydrogen peroxide and glutathione. When reacting with glutathione, it emits 500 nm green fluorescence at an excitation wavelength of 380 nm; when reacting with hydrogen peroxide, it emits 680 nm near-infrared fluorescence at an excitation wavelength of 560 nm. The two emissions differ by 180 nm, and the spectra do not interfere with each other, allowing for the selective simultaneous detection of hydrogen peroxide and glutathione. This probe exhibits excellent selectivity for detecting hydrogen peroxide and glutathione, high fluorescence quantum yield, and a large Stokes shift, showing great promise for applications in analytical chemistry, life sciences, and biomedicine.

The present invention relates to a sulfonic acid derivative of naphthalimide and a photo-acid generator and photoresist composition each containing the sulfonic acid derivative of naphthalimide, more specifically, to a sulfonic acid derivative of naphthalimide compound and a photo-acid generator and photoresist composition each containing the sulfonic acid derivative of naphthalimide compound, wherein the sulfonic acid derivative of naphthalimide compound has excellent absorbency to light of i-line (365 nm) wavelength, is very easy to prepare a polymerizable composition due to having very high solubility in an organic solvent, and has excellent thermal stability, and exhibits a good acid yield.

The invention provides a preparation method of N-hydroxyl-1, 8-naphthalimide perfluorobutyl sulfonate, which comprises the following steps: step 1, adding absolute ethyl alcohol, continuing to add 1, 8-naphthalic anhydride and hydroxylamine hydrochloride, dropwise adding triethylamine, and heating to reflux reaction after dropwise adding to obtain white solid N-hydroxyl-1, 8-naphthalimide; and step 2, adding tetrahydrofuran, continuing to add N-hydroxy-1, 8-naphthalimide and DMAP, controlling the temperature to be 20-25 DEG C, dropwise adding perfluorobutyl sulfonyl chloride, and after the reaction is completed, obtaining a solid product N-hydroxy-1, 8-naphthalimide perfluorobutyl sulfonate. Under the condition that the yield is not reduced, a green and clean solvent is used in the preparation method and is easy to recycle, the reaction temperature is reduced, the reaction time is greatly shortened, absolute ethyl alcohol is used as the solvent, the disadvantage of water as the solvent on the ring-closing dehydration reaction is avoided, and compared with dioxane, the method has the advantages of being environmentally friendly, simple and convenient in synthesis step and the like.

This invention discloses a bifunctional fluorescent probe that simultaneously distinguishes between hypochlorous acid and viscosity. The chemical structure of the bifunctional probe is as follows: This bifunctional fluorescent probe combines a 1,8-naphthalenedimide derivative and an indole derivative through a simple condensation reaction. It recognizes hypochlorous acid through a sulfhydryl oxidation strategy and detects viscosity through a molecular rotor strategy. When the probe reacts with hypochlorous acid, it emits strong green fluorescence at 540 nm under an excitation wavelength of 430 nm; when it reacts with viscosity, it emits near-infrared fluorescence at 724 nm under an excitation wavelength of 650 nm. This probe exhibits good selectivity and rapid response in detecting hypochlorous acid and viscosity, and has great application potential in analytical chemistry, life sciences, and biomedicine.

The present application relates to a naphthalimide sulfonic acid ester derivative and a photo-acid generator and photoresist composition comprising the same, and more particularly to a naphthalimide sulfonic acid ester derivative compound having excellent absorbance of light of i-line (365 nm) wavelength, high solubility in an organic solvent, and excellent thermal stability, and exhibiting a good acid yield, and a photo-acid generator and photoresist composition comprising the same.

The invention discloses a pollutant on-line monitoring method, and belongs to the technical field of on-line monitoring. According to the method, fluorescent dyes including but not limited to coumarins, fluorescein, naphthalimides and rhodamine are subjected to silanization and prepared on a substrate including but not limited to quartz, high borosilicate glass, ITO glass, polystyrene (PS), polymethyl methacrylate (PMMA) and the like, a flowing water phase passes through the substrate, the fluorescent dyes are excited through an excitation light source, and the fluorescent dyes are subjected to fluorescence detection, so that the fluorescent dyes are obtained. And the fluorescence intensity and wavelength are detected by using an optical sensing detection technology, so that high-sensitivity online monitoring of pollutants is realized.

This invention relates to a color-converting polymer resin composition and the color-converting polymer material prepared therefrom. The polymer resin composition comprises a first fluorescent dye, a second fluorescent dye, a monomer, and a polymerization initiator. The first fluorescent dye is selected from one or more perylene-based fluorescent dyes, and the second fluorescent dye is selected from one or more naphthalenedicarboximide-based fluorescent dyes. By combining the fluorescent dyes according to the embodiments, a color-converting material that can improve the color rendering index (Ra) while minimizing the color temperature and luminous efficacy changes of LED lighting and is economical can be provided.