Preparation method of 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate_Kain Industrial Additives
Background and overview[1] 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate is a A kind of azaspirocyclic compound, often used as an intermediate in drug synthesis. There are repo…
Preparation method of 2,4-difluorophenol and its application in antibacterial agents_Kain Industrial Additive
Background and overview[1][2] 2,4-Difluorophenol can be used as an intermediate for pharmaceutical and chemical synthesis. The existing industrial production process of fluorinated phenol mainly adopt…
Preparation method of 2,6-difluoroaniline_Kain Industrial Additive
Preparation method【1】【2】【3】【6】 1. In a 100ml three-necked flask, add 10.0g of 2,6 difluorobenzonitrile, 30ml of H2O2, 40ml of alcohol and some homemade catalysts, control the temperature to 40~50℃, ad…
Preparation method of 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride_Kain Industrial Additive
Background and overview[1] 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride can be used as a pharmaceutical synthesis intermediate. Preparation[1] 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride is p…
Preparation method of 2,4-dichlorobenzoyl peroxide_Kain Industrial Additive
Background and overview[1] It is well known that diacyl peroxides can be produced by reacting acid chlorides and hydrogen peroxide in alkaline solutions, but it is difficult to produce powdered produc…
Preparation method of 2,3-diamino-6-fluorotoluene_Kain Industrial Additive
Background and overview[1] 2,3-Diamino-6-fluorotoluene can be used as a pharmaceutical synthesis intermediate. If 2,3-diamino-6-fluorotoluene is inhaled, please move the patient to fresh air; if there…
Preparation method of 2,5-dimethyl-p-benzoquinone_Kain Industrial Additive
Background and overview[1] Benzoquinone compounds are not only widely used in medical treatment, chemical industry, biological drugs, etc., but are also important organic intermediates. 2,5-Dimethyl-p…
Preparation method of 2,4-difluorobiphenyl_Kain Industrial Additive
Background and overview[1] 2,4-Difluorobiphenyl is not only an important intermediate and the key to the synthesis of fluorobenzene salicylic acid, it can also be used as an anti-overcharge additive f…
Preparation method of 2,5-dimethyl-4-hydroxybenzonitrile_Kain Industrial Additive
Background and overview[1] 2,5-Dimethyl-4-hydroxybenzonitrile can be used as a pharmaceutical synthesis intermediate. Preparation[1] The preparation of 2,5-dimethyl-4-hydroxybenzonitrile is as follows…
Preparation method of 2,6-dichloro-3-(trifluoromethyl)benzoic acid_Kain Industrial Additive
Background and overview[1] 2,6-Dichloro-3-(trifluoromethyl)benzoic acid is an organic intermediate that can be prepared from 2,4-dichloro-1-(trifluoromethyl)benzoic acid through a two-step reaction. .…
