Background and overview[1-2] Calcium dobesilate was put into clinical use in the 1970s for the prevention and treatment of diabetic retinopathy. Calci…
Background and overview[1] 4-Bromoquinoline-6-carboxylic acid can be used as a pharmaceutical synthesis intermediate. If 4-bromoquinoline-6-carboxylic…
Background and overview[1] Synthesis of (2-butyl-5-nitro-3-benzofuryl)[4-[3-(dibutylamino)propoxy]phenyl]methanone as dronedarone hydrochloride interm…
Background and overview[1] Acid chlorides including (2-chlorophenyl)methylsulfonyl chloride are a very important class of compounds, widely used as in…
Background and overview[1] 2,4-Dichlorophenylhydrazine is an important chemical raw material. The current preparation methods of 2,4-dichlorophenylhyd…
Background and overview[1] 6-Hydroxyanthranilic acid is a carboxylic acid derivative and can be used as a pharmaceutical synthesis intermediate. If 6-…
Background and overview[1] 4-n-Heptylbenzoyl chloride can be used as a pharmaceutical synthesis intermediate. If 4-n-heptylbenzoyl chloride is inhaled…
Background and overview[1] 4-(4-Methylpiperazinemethyl)benzoyl chloride dihydrochloride can be used as a pharmaceutical synthesis intermediate. If 4-(…
Background and overview[1] 1-Phenyl-2,2,2-trifluoroethylamine can be used as a pharmaceutical synthesis intermediate. Preparation[1] The preparation o…
Background and overview[1] 1-O-chlorophenylethylamine can be used as a pharmaceutical synthesis intermediate. If 1-o-chlorophenylethylamine is inhaled…
Background and overview[1-2] The composition of high-boiling chlorophenols is very complex, mainly containing o-chlorophenol, 2,4-dichlorophenol, 2,4,…
Background and overview[1] 2,4,6-Trichlorobenzaldehyde can be used as a pharmaceutical synthesis intermediate. Preparation[1] The preparation of 2,4,6…
