Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

175 results about "Isoindoles" patented technology

Benzopyrroles with the nitrogen at the number two carbon, in contrast to INDOLES which have the nitrogen adjacent to the six-membered ring.

Isoindole alkaloid compound in purslane, and extraction and separation method of isoindole alkaloid compound

The invention relates to the field of extraction and separation of traditional Chinese medicines, in particular to an isoindole alkaloid compound which is extracted, separated and identified from purslane, and an extraction and separation method of the isoindole alkaloid compound. The new alkaloid compound has a molecular formula of C28H23NO8 and is named as Oleraisoindole. The invention also provides the extraction and separation method of the isoindole alkaloid compound; the method comprises the steps of sequentially extracting by means of water boiling, extracting by using ethyl acetate, carrying out silica gel column chromatography, purifying by using an octadecylsilyl medium-pressure column and Sephadex LH-20, and carrying out liquid phase separation. The isoindole alkaloid compound is identified by using ultraviolet (UV), infrared ray (IR), HR-ESI-TOF-MS, hydrogen-1 nuclear magnetic resonance (1H-NMR), carbon-13 nuclear magnetic resonance (13C-NMR) and a two-dimensional nuclear magnetic spectrum analysis method. The compound has potential anti-inflammatory activity, anti-tumor activity, and the like; the invention also provides the preparation method of the compound, thus providing a lead compound and a theoretical basis for development of new medicines and new components.
Owner:LIAONING UNIV OF TRADITIONAL CHINESE MEDICINE

Luminescent polymer and use thereof in bioassay

It is an object of the present invention to provide a luminescent polymer that is useful as a luminescent signal probe for labeling and detecting a target substance at high sensitivity in bioassay, and to provide the application of said luminescent polymer to bioassay. The luminescent polymer of the present invention comprises at least one biotin covalently attached to a polymer that includes monosaccharide or amino acid as a constituent monomer covalently attached to a luminescent substance. Preferably, two or more biotins are attached. Examples of the above-mentioned luminescent substance include cyanoisoindoles, luminols, and acridinium esters, and examples of the polymer include polysaccharides, polyamino acids, peptides, polypeptides, and proteins.
Owner:SEKISUI MEDICAL CO LTD +1

Isoindole derivatives

InactiveUS6608098B1High in vivo GLP- concentrationBiocideOrganic chemistryDrugAzirine
This invention relates to compounds represented by the general formula [I] wherein, R represents an azido group, etc., R1 and R2 are the same or different and represent hydrogen atoms, etc., R3 and R4 are the same or different and represent hydrogen atoms, etc., X1 represents an oxygen atom, etc., X2 represents an oxygen atom, etc., Y represents an oxygen atom, etc., and Z represents a condensed aryl group, etc., or a pharmaceutically acceptable salt thereof, preparation processes thereof, and an agent for treating diabetes, a prophylactic agent for chronic complications of diabetes or a drug against obesity, containing, as an effective ingredient, the compound or the pharmaceutically acceptable salt thereof.
Owner:BANYU PHARMA CO LTD

Method for preparing rivaroxaban

The invention discloses a method for preparing rivaroxaban, and is characterized in that the method comprises the following steps of synthesis of an intermediate I, synthesis of an intermediate II and synthesis of rivaroxaban, wherein the synthesis of the intermediate I comprises the synthetic steps of taking 4-(4-aminophenyl)-3-morpholinone and 2-[(2S)-2-oxiranyl-methyl)-1H-isoindole-1,3(2H)-diketone as raw materials, and in an alcohol solvent, carrying out a reaction with a condensating agent to obtain the intermediate I; the synthesis of the intermediate II comprises the synthetic steps of placing the intermediate I in a solvent, under the action of an amine reagent, carrying out a reaction to generate a primary amine compound, and forming an ammonium salt with an acid reagent to obtain the intermediate II; and the synthesis of rivaroxaban comprises the synthetic steps of placing 5-chlorothiophene carboxylic acid in a solvent, under the action of an acylation reagent, forming an acylated substance, then carrying out a reaction with the intermediate II under the action of an alkali reagent, and thus obtaining rivaroxaban. The method has the beneficial effects of cheap and easily obtained raw materials, simple and easily controlled operation, high reaction yield, high product purity, and low cost.
Owner:NANTONG CHANGYOO PHARMATECH CO LTD

Crosslinkable host materials

The invention relates to a crosslinkable organic molecule having a structure of the formula (1) and to the use thereof, wherein Ar is independently of one another, an unsaturated or aromatic carbo- or heterocyclic unit with 5 to 30 ring atoms, selected from the group consisting of naphthalene, anthracene, phenanthrene, pyrene, dihydropyrene, chrysene, perylene, fluoranthene, benzanthracene, tetracene, pentacene, benzpyrene, furan, benzofuran, isobenzofuran, thiophene, benzothiophene, isobenzothiophene, dibenzothiophene, pyrrole, indole, isoindole, carbazole, pyridine, quinoline, isoquinoline, acridine, phenanthridine, benzo-5,6-quinoline, benzo-6,7-quinoline, benzo-7,8-quinoline, phenothiazine, phenoxazine, pyrazole, indazole, imidazole, benzimidazol, naphthimidazole, phenanthrimidazole, pyridimidazole, pyrazine-imidazole, quinoxalinimidazole, oxazole, benzoxazole, naphthoxazole, anthroxazole, phenanthroxazole, isoxazole, isothiazole, 1,3-thiazole, benzothiazole, pyridazine, benzopyridazine, pyrimidine, benzpyrimidine, quinoxaline, pyrazine, phenazine, naphthyridine, azacarbazole, benzocarboline, phenanthroline, 1,2,3-triazole, 1,2,4-triazole, benzotriazole, 1,2,3-oxadiazole, 1,2,4-oxadiazole, 1,2,5-oxadiazole, 1,3,4-oxadiazole, 1,2,3-thiadiazole, 1,2,4-thiadiazole, 1,2,5-thiadiazole, 1,3,4-thiadiazole, 1,3,5-triazine, 1,2,4-triazine, 1,2,3-triazine, tetrazole, 1,2,3,4- oxatriazole, 1,2,3,4-oxatriazole, 1,2,4,5-tetrazine, 1,2,3,4-tetrazine, 1,2,3,5-tetrazin, purine, pteridine, indolizine, benzothiadiazole, indenocarbazole, indenofluorene, spirobifluorene, and indolocarbazole; D1 is a donor group having a structure of the formula (1a); and D2 is a donor group having a structure of the formula (1b).
Owner:SAMSUNG DISPLAY CO LTD

2,3-dihydro-isoindole-1-on derivative as btk kinase suppressant, and pharmaceutical composition including same

The present invention provides a compound selected from the group consisting of a compound of formula (I), pharmaceutically acceptable salts, esters, prodrugs, hydrates, solvates and isomers thereof; a use of the compound for the treatment, relief or prevention of diseases caused by abnormal or uncontrolled activation of protein kinase, and a use of the compound for the manufacture of a medicament for the treatment, relief or prevention of the diseases; a pharmaceutical composition comprising the compound as an active ingredient; and a method for the treatment, relief or prevention of the diseases using the compound. The inventive compound is useful for the treatment, relief or prevention of diseases caused by abnormal or uncontrolled activation of protein kinase.
Owner:CRYSTAL GENOMICS INC

Integrated system for storing energy and generating power by using organic hydrogen storage material

InactiveCN106356541AOvercome geographical limitationsAvoid lossHydrogenReactant parameters controlElectrolysisHigh energy
The invention discloses an integrated system for storing energy and generating power by using an organic hydrogen storage material. Power is generated by renewable sea energy, generated electric energy is used for supplying power for sea water desalting equipment, water electrolysis hydrogen preparation equipment and a power supply of a hydrogen energy base station, after sea water is filtered into fresh water, hydrogen is prepared by water electrolysis, renewable water resources are converted into hydrogen energy, obtained high-energy-density hydrogen is stored in the organic hydrogen storage material, the power supply of the hydrogen energy base station supplies power for organic hydrogen storage equipment, an obtained hydrogenation organic hydrogen storage material can be conveyed to any places through pipes, the organic hydrogen storage material consists of isoindole, purrocoline, 7,8-benzoquinoline and N-ethylindole, hydrogen separated from an organic hydrogen storage device is directly used for fuel cells, and the hydrogen energy is converted into electric energy or is directly used for heating through the hydrogen fuel cells. Compared with traditional ocean power generation, the integrated system for storing energy and generating power by using the organic hydrogen storage material overcomes geographical limitations of utilization of the sea energy, loss of the electric energy in a conveying process is avoided, and economy of utilization of energy is improved.
Owner:温州集智科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products