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Preparation and application of 3-fluoro-4-nitrotoluene_Kain Industrial Additive
Background and overview[1] 3-Fluoro-4-nitrotoluene can be used as a pharmaceutical synthesis intermediate. It can be obtained by one-step nitration of 3-fluorotoluene. Preparation[1] 3-Fluoro-4-nitrot…
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Application and preparation of p-aminophenylarsonic acid_Kain Industrial Additive
Overview[1] P-aminophenylarsonic acid, commonly known as “asanic acid”, can be obtained as needle-shaped crystals from water. It is soluble in hot water and sodium carbonate aqueous soluti…
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Preparation method of triphenylmethyl bromide_Kain Industrial Additive
Background and overview[1] Triphenylmethyl bromide can be used as a pharmaceutical synthesis intermediate. Preparation[1] A method for recovering triarylmethyl halides such as triphenylmethyl bromide …
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Application of 1,4-benzoquinonedioxime_Kain Industrial Additive
Overview[1] 1,4-Benzoquinonedioxime is a cross-linking agent. In recent years, the main method for industrial production of 1,4-benzoquinonedioxime is: at 0℃, in the presence of a certain concentratio…
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Preparation of 1,5-difluoro-2,4-dinitrobenzene_Kain Industrial Additive
Overview[1] 1,5-Difluoro-2,4-dinitrobenzene is an important intermediate in the synthesis of the herbicide flufenacil, which can be etherified, hydrogenated and reduced to form rings, and sequentially…
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Preparation of 2-oxo-4-phenylbutyric acid_Kain Industrial Additives
Overview[1] 2-Oxo-4-phenylbutyric acid can be used as a pharmaceutical synthesis intermediate, such as the preparation of 2-oxo-4-phenylbutyl ethyl ester (EOPB), 2-oxo-4-phenyl Butyl ethyl ester is an…
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Preparation of 3-benzoyl ethyl acrylate_Kain Industrial Additive
Overview[1] Ethyl 3-benzoyl acrylate can be used as a pharmaceutical synthesis intermediate. To date, the most common method of synthesizing esters is through a dehydration reaction between a carboxyl…
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Instructions for use of phenylvasopressin_Kain Industrial Additives
Background and overview[1] Phenylvasopressin is a synthetic peptide similar to vasopressin, which can constrict peripheral blood vessels, increase blood pressure and stop bleeding. This product has a …
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Preparation of ethyl anthranilate_Kain Industrial Additive
Overview[1][2] Ethyl anthranilate is a colorless liquid, soluble in alcohol and propylene glycol, and slightly soluble in water. The alcohol solution fluoresces purple. Ethyl anthranilate occurs natur…
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Application and preparation method of 2-bromophenylboronic acid_Kain Industrial Additive
Background and overview[1] 2-Bromophenylboronic acid, also called o-bromophenylboronic acid, is an important intermediate for organic light-emitting diode (OLED) electronic chemicals. Preparation[1] U…