preparation and application of 1,4-di-tert-butylperoxycumylbenzene_kain industrial additive
background and overview[1] 1,4-di-tert-butylperoxycumylbenzene is a high-grade cross-linking agent, mainly composed of a mixture of 1,3- and 1,4-isomers. this product is a white powder with a molecular weight of 338.49, theoretical active oxygen 9.45%, activation energy 36.1kcal/mol, and a half-life of 10 hours at 120°c. preparation[1] a production method of 1,4-di-tert-butylperoxycumylbenzene, including the following steps:…
preparation and application of 1,3,5,7-tetraphenyladamantane_kain industrial additive
background and overview[1] 1,3,5,7-tetraphenyladamantane is an organic intermediate, which can be used to prepare a new aromatic sulfonate flame retardant-adamantyl-1,3,5,7-tetraphenyl sodium phenyl sulfonate. adamantyl-1,3,5,7-tetra-p-phenylsulfonate sodium has a highly symmetrical structural feature. one adamantyl-1,3,5,7-tetra-p-phenylsulfonate sodium molecule contains 4 pairs of the expected flame retardant effect of the sodium benzene sulfonate group should far exceed that of…
preparation and application of 1,4-dibromo-2,5-dimethoxybenzene_kain industrial additive
background and overview[1] 1,4-dibromo-2,5-dimethoxybenzene is an organic intermediate that can be used to prepare 1,4-dibromohydroquinone from hydroquinone dimethyl ether and elemental bromine reaction preparation. preparation[1-2] method 1: synthesis of 1,4-dibromo-2,5-dimethoxybenzene: add 20.0g of hydroquinone dimethyl ether (0.145mol, 1.0eq), 55ml of glacial acetic acid into a 250ml reaction bottle, and conduct ultrasound. dissolve; add dropwise a…
preparation and application of 1,3,5-tris(4-iodophenyl)benzene_kain industrial additive
background and overview[1] 1,3,5-tris(4-iodophenyl)benzene is an organic intermediate that can be prepared in two steps from 1,3,5-tribromobenzene and p-trimethylsilylbenzeneboronic acid. it has been reported in the literature that 1,3,5-tris(4-iodophenyl)benzene can be used to design and develop high-performance optoelectronic devices, molecular recognition, lithium batteries, hydrogen storage materials and other organic molecular functional materials. preparation[1] using deoxytoluene…
preparation and application of [1,1′-bis(diphenylphosphine)ferrocene]palladium dichloride dichloromethane complex_kain industrial additive
background and overview[1] [1,1′-bis(diphenylphosphine)ferrocene]palladium dichloride dichloromethane complex (pd(dppf)cl2·ch2 cl2) is a bimetallic solvent complex formed by pd(ii) and dppf, which is used to catalyze carbonylation, cross-coupling, and suzuki reactions. various phosphine bridge transition binuclear complexes, mainly bidentate phosphine ligands, have attracted great interest from researchers due to their special structures and novel catalytic reaction properties.…
