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Preparation and application of p-tert-butylbenzoic acid_Kain Industrial Additive
Background and overview[1] P-tert-butylbenzoic acid (PTBA) is colorless needle-shaped crystals or crystalline powder. It is a derivative of benzoic acid and an important organic synthesis intermediate…

Preparation of 1,3-diphenyl urea_Kain Industrial Additive
Background and overview[1] 1,3-Diphenylurea is a urea compound. Urea refers to a compound containing R1R2N-CO-NR1R2 functional group. It is an artificial The first type of organic compound synthesized…

Preparation and application of potassium 2,5-dihydroxybenzenesulfonate_Kain Industrial Additive
Background and overview[1] Potassium 2,5-dihydroxybenzenesulfonate is a 2,5-dihydroxybenzenesulfonic acid derivative and can be used alone or in combination with other drugs to treat male sexual dysfu…

Preparation of N-tert-butyl-2-benzothiazole sulfenamide_Kain Industrial Additive
Background and overview[1] N-tert-butyl-2-benzothiazole sulfenamide is a commonly used post-effect accelerator. It is very safe at operating temperature, has good scorch resistance and high tensile st…

Preparation and application of dimethyl isophthalate_Kain Industrial Additive
Background and overview[1] Dimethyl isophthalate is a white needle-like crystal, soluble in methanol and ethanol, but insoluble in water. It is used in organic synthesis and as a fixed plate for gas c…

Preparation and application of tetrahydrophthalic anhydride_Kain Industrial Additive
Background and overview[1] Tetrahydrophthalic anhydride is also called tetrahydrophthalic anhydride. Tetrahydrophthalic anhydride has cis and trans isomers, and the trans isomer has two optical isomer…

Preparation of 2-bromo-6-(trifluoromethoxy)benzoic acid_Kain Industrial Additive
Background and overview[1] 2-Bromo-6-(trifluoromethoxy)benzoic acid can be used as a pharmaceutical synthesis intermediate. It can use 2-amino-6-(trifluoromethyl)benzoic acid as the starting material …

Preparation of 2-chloro-4-methylphenylboronic acid_Kain Industrial Additive
Background and overview[1] 2-Chloro-4-methylbenzeneboronic acid can be used as a pharmaceutical synthesis intermediate and is often used as a raw material for coupling reactions such as Suzuki. 2-Chlo…

Preparation of Sitagliptin Impurity 13_Kain Industrial Additive
Background and overview[1] Sitagliptin, chemical name (2R)-4-oxo-4-[3-trifluoromethyl-5,6-dihydro[1,2,4]triazole[4 , 3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)-butan-2-amine, which is a dipeptide…

Preparation of 2-fluoro-4-iodoaniline_Kain Industrial Additive
Background and Overview[1] 2-Fluoro-4-iodoaniline is one of the most important intermediates in the dye industry. In the dye industry, it can be used to manufacture acid ink blue G, acid medium BS, ac…