Background and overview[1] Dimethyl isophthalate is a white needle-like crystal, soluble in methanol and ethanol, but insoluble in water. It is used i…

Background and overview[1] Tetrahydrophthalic anhydride is also called tetrahydrophthalic anhydride. Tetrahydrophthalic anhydride has cis and trans is…

Background and overview[1] (+)-Norfenefrine hydrochloride, also known as norfenefrine hydrochloride, scientific name m-hydroxyphenylethanolamine hydro…

Background and overview[1] 2,2′-bis(trifluoromethyl)diaminobiphenyl is also called 2,2′-bis(trifluoromethyl)-4,4’diaminobiphenyl. 2,…

Background and overview[1] 2-Nitro-5-chloroaniline is an important pharmaceutical and veterinary drug intermediate. It is currently used in fenbendazo…

Background and overview[1-2] 3,5-Dihydroxypentylbenzene is an important pharmaceutical intermediate, which was first obtained by degrading lichenic ac…

Background and overview[1-2] 5-Amino-2-nitrotrifluorotoluene is an organic intermediate that can be prepared from m-chlorotrifluorotoluene in two step…

Background and overview[1] 5-Chloro-2-hydroxyacetophenone can be nitrated to prepare 5-chloro-2-hydroxy-3-nitroacetophenone. 5-Chloro-2-hydroxy-3-nitr…

Background and overview[1] N-(3-methylphenyl)-4-(4-pyridine)-2-thiazolamine belongs to the 4-pyridyl-2-anilinothiazole (PAT) class of compounds and is…

Background and overview[1] P-xylyl ether is an organic intermediate that can be prepared from p-cresol and p-methylchlorobenzene in one step. There ar…

Background and overview[1] P-trifluromethylaniline (abbreviated as PTFMA, CAS registration number: 455-14-1) is an important chemical raw material, es…