synthesis【1】 the alkylation process of benzene and ethylene was developed in the 1930s. it is carried out in the liquid phase in the presence of a fri…

purpose and usage【1】 benzil is an important organic chemical raw material and can be used in the synthesis of various drugs and photosensitizers, pest…

synthesis method【1】 diphenylmethane diisocyanate, mdi, generally has three isomers: diphenylmethane diisocyanate is mainly used in polyurethane resins…

background[1][2] 4-bromobenzoic acid, also known as p-bromobenzoic acid, is white or light pink crystal. 4-bromobenzoic acid is an important fine chem…

background[1][2] terephthalaldehyde is an important fine chemical raw material nstream of paraxylene. because there are two active aldehyde groups in …

background[1][2] the molecular formula of dichlorobenzene is c6h4cl2. there are three isomers: ortho, meta and para. usually mainly o- and p-dichlorob…

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 homemad…

background and overview[1][2] p-bromotoluene is also known as 4-bromotoluene and 1-bromo-4-methylbenzene. it is a colorless liquid at room temperature…

background and overview[1][2] p-toluenesulfonyl hydrazide, also known as 4-methylbenzenesulfonyl hydrazide, is a white crystalline powder, easily solu…

overview【1】 hydroxytyrosol is one of the metabolites of dopamine in animal brains. it is also a polyphenolic compound with strong antioxidant properti…

overview【1】【2】 the refined raw material of mesitylene mainly comes from the xylene bottom oil of the platinum reforming unit of the refinery. the bott…