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Preparation and application of p-toluenesulfonic acid tsoh_Kain Industrial Additive
Background and Overview P-Toluenesulfonic acid (tsoh) was first prepared by Jaworsky in 1865 by sulfonating toluene with sulfuric acid. In 1869, Engelllardt and others discovered that ortho and meta i…
Preparation and application of 2-bromo-4′-cyanoacetophenone_Kain Industrial Additive
Background and overview[1] 2-Bromo-4′-cyanoacetophenone is a pharmaceutical intermediate that can be prepared from 4-cyanoacetophenone in one step. Preparation[1] Add 10mmol 4-cyanoacetophenone …
Preparation of benzofuran-6-carboxylic acid_Kain Industrial Additive
Background and overview[1] Benzofuran-6-carboxylic acid, also called 6-carboxylic acid benzofuran, is a benzofuran compound. This type of compound has a variety of good physiological activities, inclu…
Preparation and application of 4-propoxybenzaldehyde_Kain Industrial Additive
Background and overview[1] 4-Propoxybenzaldehyde, also called p-propoxybenzaldehyde, can be prepared by the one-step reaction of p-hydroxybenzaldehyde and n-bromopropane. Preparation[1] Add 30ml DMF t…
Preparation of 2-(difluoromethyl)benzaldehyde_Kain Industrial Additive
Background and overview[1] 2-(Difluoromethyl)benzaldehyde is an organic intermediate. There are reports in the literature that 2-(difluoromethyl)benzaldehyde can be prepared in one step from 1-bromo-2…
Preparation of dibenzo-18-crown ether-6_Kain Industrial Additive
Overview[1] Dibenzo-18-crown ether-6 is the synthetic raw material for diaminodibenzo-18-crown ether-6, which is an important crown ether compound. , is also an important intermediate raw material for…
Preparation of mesityleneamine_Kain Industrial Additive
Overview[1] Mesitylenedine is an intermediate widely used in dyes, pesticides and other industries. The raw material for the synthesis of mesitylene is mesitylene, which exists in petroleum. With the …
Preparation and application of ethylbenzene_Kain Industrial Additive
Background and overview[1][2] Ethylbenzene is insoluble in water, a colorless and flammable liquid, soluble in alcohol, benzene and ether. Used in styrene production, synthetic polymers, and also as s…
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…
Preparation and application of methyl 2-(tert-butoxy-2-carboxamide)-3-nitrobenzoate_Kain Industrial Additive
Background and overview[1] Methyl 2-(tert-butoxy-2-carboxamide)-3-nitrobenzoate is a pharmaceutical intermediate that can be used in the synthesis of candesartan. Candesartan and candesartan cilexetil…
