background and overview[1] (r)-2-(9-(pyridin-2-yl)-6-dioxaspiro[4.5]decan-9-yl)acetonitrile is a pharmaceutical intermediate that can be synthesized f…

acetonitrile is a common organic solvent. in reversed-phase liquid chromatography analysis, acetonitrile-water acts similarly to methanol-water and is…

copper hydroxide copper hydroxide, molecular formula cu(oh)2, dry powder appears blue or crystal, insoluble in water, decomposed by heat, slightly amp…

overview【1】 copper hydroxide is an important industrial material that can be used in medicine, mordants, pigments, feed additives, pesticides, paper d…

background and overview[1] methoxyethyl acetoacetate can be used as a pharmaceutical synthesis intermediate. apply[1] methoxyethyl acetoacetate can be…

background and overview[1] methoxyethyl 3-nitrophenylidene acetoacetate is a pharmaceutical intermediate that can be used to prepare nimodipine. nimod…

benzene was first synthesized in the early 19th century when coal gas was studied as a lighting gas. ​ g. t. accum produced many products from 1803 to…

benzene is an excellent solvent with aromatic properties and is widely used in industry. however, it is toxic, so when used improperly or carelessly, …

substitution reaction main article: substitution reaction, electrophilic aromatic substitution reaction ​ the hydrogen atoms on the benzene ring can b…

methods for separating toluene, aniline, phenol and benzoic acid first pass the mixture into nahco3 solution to separate benzoic acid. then pass the n…

phenol is an important benzene intermediate, also known as carbolic acid. it is a white crystal with a low melting point (40.91℃). it turns red when p…