Application of α-bromo-2,3,4,5,6-pentafluorotoluene_Kain Industrial Additive
Background and Overview α-Bromo-2,3,4,5,6-pentafluorotoluene is a benzene derivative that can be used as a derivatization reagent for gas chromatography analysis of multifunctional thiols, and can also be used to prepare pentafluorobenzene ester. Apply[1] α-Bromo-2,3,4,5,6-pentafluorotoluene can be used to prepare trithiocarbonate-bis(pentafluorobenzyl)ester: Reversible addition-fragmentation chain transfer polymerization (RAFT polymerization) is a typical controllable and living radical polymerization method. In recent years, RAFT polymerization has become an important method…
Preparation method of sodium 2,4,6-trichlorophenol_Kain Industrial Additive
Background and overview[1-2] The composition of high-boiling chlorophenols is very complex, mainly containing o-chlorophenol, 2,4-dichlorophenol, 2,4,6-trichlorophenol, 4-bromo-2,5-dichlorophenol, 4 , 4-dichlorodiphenylsulfone and dichlorophenoxychlorophenol, etc. Among them, chemical products with relatively high added value are o-chlorophenol, 2,4-dichlorophenol and 2,4,6-trichlorophenol. The content of 2,4,6-trichlorophenol is the largest among high-boiling chlorophenols, at about 55 wt%, while the content of 2,4-dichlorophenol is second, at about 15 wt%. 2,4,6-Trichlorophenol is an important…
Application of 2,4,6-Trichlorobenzaldehyde_Kain Industrial Additive
Background and overview[1] 2,4,6-Trichlorobenzaldehyde can be used as a pharmaceutical synthesis intermediate. Preparation[1] The preparation of 2,4,6-trichlorobenzaldehyde is as follows: The specific steps are as follows: Under argon protection and minus 78 degrees Celsius, add 10.0g (55.1mmol) 1,3,5-trichlorobenzene and 100ml ultra-dry tetrahydrofuran into a 250ml single-neck flask. Then add 23ml (2.4M, 55.2mmol) n-butyllithium n-hexane solution dropwise, and stir for 30 minutes at minus 78 degrees Celsius.…
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(4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6-diyl) Preparation of bistrimethyltin_Kain Industrial Additives
Background and overview[1] (4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6- Diyl) bistrimethyltin can be used as a pharmaceutical synthesis intermediate. If you inhale (4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-B4,5-B’]dithiophene-2,6-bis (Bit) bistrimethyltin, please move the patient to fresh air; if the skin comes into contact, take off contaminated clothing, rinse the skin thoroughly with soap and water, and seek medical treatment if you feel uncomfortable; if the eyes come into contact, seek medical attention. Separate eyelids, rinse with…
Application of 2,3,4,6-Tetrachlorophenol_Kain Industrial Additive
Background and overview[1] Arsenic atomic absorption standard, also known as 2,3,4,6-tetrachlorophenol in Chinese, can be used as a pharmaceutical synthesis intermediate. Chlorophenols are a typical class of “three-causing (carcinogenic, teratogenic, mutagenic)” organic pollutants and are widely used in the production of preservatives, dyes, herbicides and pesticides. At the same time, chlorophenols by-products may also be produced during waste incineration, pulp bleaching, and drinking water chlorination and…
Application of 2,4,6-trimethylbenzenesulfonyl chloride_Kain Industrial Additive
Background and overview[1][2] 2,4,6-Trimethylbenzenesulfonyl chloride is an organic chemical intermediate that can undergo acylation reactions with some nucleophilic groups and can also be used as an activator to synthesize cinpazide maleate. Apply[1-2] 1. Used in the synthesis of cinpazide maleate Cinepazide maleate is a calcium channel blocker. By preventing Ca2+ from crossing the membrane into vascular smooth muscle cells, it relaxes vascular smooth muscles and affects…
Main applications of 2,4,5-trimethoxybenzaldehyde_Kain Industrial Additives
Background and overview[1] 2,4,5-Trimethoxybenzaldehyde is mainly used in the preparation of asarone. α-Asarone is mainly found in the volatile oils of plants such as Acorus calamus, a natural product. It has sedative, prolonged hypnosis and antibacterial effects. It is clinically used for the treatment of chronic bronchitis, epilepsy, coma and other mental diseases. Since the 1960s, extensive research has been conducted at home and abroad on…
Preparation method of 2,4,6-tri-tert-butyronitrosobenzene_Kain Industrial Additive
Background and overview[1] 2,4,6-Tri-tert-butylnitrosobenzene can be used as a pharmaceutical synthesis intermediate. If 2,4,6-tri-tert-butyl-nitrosobenzene is inhaled, please move the patient to fresh air; if the skin comes into contact, take off contaminated clothing and wash the skin thoroughly with soap and water. If you feel discomfort , seek medical attention; if eye contact occurs, separate eyelids, rinse with running water or saline, and seek medical attention…
Application of 1,4,7,10-tetratert-butylperylene_Kain Industrial Additive
Overview[1] 1,4,7,10-tetratert-butylperylene (TBPe) is a highly efficient fluorescent small molecule doped dye. Co-doping TBPe with MEH-PPV can improve the luminescence performance of the device and produce multi-layer structure devices, which can effectively reduce electrode quenching and improve the performance of electroluminescent devices. Apply[1] Jiang Lei rationally combined TBPe with other red and green light materials, designed experiments, and prepared white organic electroluminescent devices with a simplified…
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…
