Preparation of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine_Kain Industrial Additive
Background and overview[1] 2,4,6-Tris(4-aminophenyl)-1,3,5-triazine is a heterocyclic organic compound that can be used as a pharmaceutical synthesis intermediate. Preparation[1] Preparation of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine: Method 1: Add 1.18g (10mmol) of p-aminobenzonitrile to a 50mL four-necked flask, add 25mL of methylene chloride under magnetic stirring to dissolve it, and slowly add 4mL (45mmol) of trifluoromethanesulfonate dropwise in an ice bath. Acid, add N2 to protect the reaction for 24…
Function and preparation method of 2,4,6-triphenoxy-1,3,5-triazine_Kain Industrial Additive
Background and overview[1][2] Also called 2,4,6-triphenol-1,3,5-s-triazine. Belongs to a class of small molecules, branched and polymer materials containing special triazine units, which are used in organic electroluminescence, organic field effect tubes, organic solar cells, nonlinear optics, biosensing, organic light storage and Organic lasers and other fields have a wide range of applications. Organic optoelectronic functional materials such as liquid crystals, nonlinear optics and electroluminescence derived from…
Preparation of N,N’,N”-triphenyl-1,3,5-phenyltriamine_Kain Industrial Additive
Background and overview[1] During the use of lubricating oil, oxidation reactions will occur under the influence of air, water, metal, etc., especially in high-temperature working environments, it will quickly oxidize and deteriorate, and lose its own functions. Therefore, antioxidants must be added to prevent the rapid oxidation of the lubricating oil and extend the working life of the lubricating oil. Antioxidants are important additives that can…
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Preparation and application of 2,3,6,7,10,11-hexahydroxytriphenyl_Kain Industrial Additive
Background and overview[1-2] 2,3,6,7,10,11-Hexahydroxytriphenyl, referred to as HHHP, can be prepared from catechol in one step. There are reports in the literature that 2,3,6,7,10,11-hexahydroxytriphenyl can be used to prepare metal organic frameworks (MOFs). Metal-organic frameworks are a type of material formed by coordination between metal ions and organic ligands. Compared with traditional inorganic porous materials, MOFs have higher porosity, larger specific surface area, adjustable pore structure…
Preparation and application of 2,3,3′,4′-biphenyltetracarboxylic dianhydride_Kain Industrial Additive
Background and overview[1] Biphenyl polyimide, as a high-performance polymer, has heat resistance, solvent resistance, radiation resistance, and good mechanical and dielectric properties. It is widely used in mechanical electronics, aerospace, large motors, turbine bearings, etc. Heat-resistant filter materials and other fields have broad application prospects. Compared with the polyimide in which 3,3′,4,4′-biphenyltetracarboxylic dianhydride (4,4′-BPDA) is a monomer with a symmetrical structure, the asymmetric structural isomer 2,3,3…
Preparation and application of 1,3,5,7-tetraphenyladamantane_Kain Industrial Additive
Background and overview[1] 1,3,5,7-tetraphenyladamantane is an organic intermediate, which can be used to prepare a new aromatic sulfonate flame retardant-adamantyl-1,3,5,7-tetraphenyl Sodium phenyl sulfonate. Adamantyl-1,3,5,7-tetra-p-phenylsulfonate sodium has a highly symmetrical structural feature. One adamantyl-1,3,5,7-tetra-p-phenylsulfonate sodium molecule contains 4 pairs of The expected flame retardant effect of the sodium benzene sulfonate group should far exceed that of general aromatic sulfonate flame retardants. The test results show that this…
Preparation and application of 1,3,5-tris(4-iodophenyl)benzene_Kain Industrial Additive
Background and overview[1] 1,3,5-Tris(4-iodophenyl)benzene is an organic intermediate that can be prepared in two steps from 1,3,5-tribromobenzene and p-trimethylsilylbenzeneboronic acid. It has been reported in the literature that 1,3,5-tris(4-iodophenyl)benzene can be used to design and develop high-performance optoelectronic devices, molecular recognition, lithium batteries, hydrogen storage materials and other organic molecular functional materials. Preparation[1] Using deoxytoluene and ethanol (volume ratio 3:1) as a mixed solvent, 1,3,5-tribromobenzene (3.15g,…
2-[2-[2-Chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indole-2-ylidene)ethylidene]-1-cyclohexane Preparation of en-1-yl]vinyl]-1,3,3-trimethyl-3H-indole 4-methylbenzenesulfonate_Kain Industrial Additive
Background and overview[1] 2-[2-[2-Chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indole-2-ylidene)ethylene]-1 -Cyclohexen-1-yl]vinyl]-1,3,3-trimethyl-3H-indole 4-methylbenzenesulfonate is a cyanine dye and an infrared absorber. There are reports in the literature 2-[2-[2-chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indole-2-ylidene)ethylene]-1 -Cyclohexen-1-yl]vinyl]-1,3,3-trimethyl-3H-indole 4-methylbenzenesulfonate can be used to prepare a product with good resistance to solvents and print room chemicals Performance of positive-image infrared sensitive compositions. Apply[1] 2-[2-[2-Chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indole-2-ylidene)ethylene]-1 -Cyclohexen-1-yl]vinyl]-1,3,3-trimethyl-3H-indole 4-methylbenzenesulfonate is used to prepare a positive-pattern infrared sensitive composition, the method is as follows: 2-[2-[2-Chloro-3-[(1,3-dihydro-1,3,3-trimethyl-2H-indole-2-ylidene)ethylene]-1 -Cyclohexen-1-yl]vinyl]-1,3,3-trimethyl-3H-indole 4-methylbenzenesulfonate,…
Preparation of 3-bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one_Kain Industrial Additive
Background and Overview[1] 3-Bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one is an intermediate in the synthesis of benazepril hydrochloride. Benazepril hydrochloride is a first-line antihypertensive drug recommended by the World Health Organization. It is a chiral drug with good clinical efficacy, high safety and few side effects among the current international angiotensin-converting enzyme inhibitor antihypertensive drugs. . 3-bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one Preparation[2] The synthesis methods reported in the literature mainly include: 1. Using a composite…
Application of 2-(2-difluoromethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborane_Kain Industrial Additive
Background and Overview 2-(2-Difluoromethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborane is an organic intermediate commonly used in metal catalysis coupling reaction, Application examples[1-2] Report 1, CN201780052527.0 reported that 2-(2-difluoromethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborane can be used to synthesize compound 6-amino -N-(5-chloro-6-(2-(difluoromethyl)phenyl)pyridin-2-yl)pyridine-2-sulfonamide. This compound is a CF transmembrane conductance regulator (CFTR) corrector. Cystic fibrosis (CF) is caused by loss-of-function mutations in the CF transmembrane conductance regulator (CFTR) protein, which is a cAMP-regulated chloride channel that is mainly…
