Background and overview[1-2] 3-Amino-4-chlorobenzonitrile is a pharmaceutical intermediate. It can be nitrated from p-chlorobenzonitrile to obtain 4-c…
Background and overview[1] 2-Bromo-5-methoxyphenylboronic acid can be used as a pharmaceutical synthesis intermediate and can be prepared from 3-metho…
Background and overview[1] Ethyl 3-nitrophenylacetate can be used as a pharmaceutical synthesis intermediate. It can be prepared by the esterification…
Background and overview[1] 1-Bromo-3-fluoro-5-pyrrolidine benzene is a pharmaceutical intermediate, which can be prepared by nucleophilic substitution…
Background and overview[1] Ethyl 4-boron-3-chlorobenzoate can be used as a pharmaceutical synthesis intermediate and applied in Suzuki coupling reacti…
Background and overview[1] 4,4’-Bis(2-bromoacetyl)biphenyl is a key intermediate in the synthesis of the anti-hepatitis C drug daclatasvir. Daclatasvi…
Background and overview[1] 1-(3-Bromophenyl)pyrrole is an important pharmaceutical intermediate. For example, it can be used to prepare lithium 3-(pyr…
Background and overview[1] 2-Bromo-6-(trifluoromethoxy)benzoic acid can be used as a pharmaceutical synthesis intermediate. It can use 2-amino-6-(trif…
Background and overview[1] 2-Chloro-4-methylbenzeneboronic acid can be used as a pharmaceutical synthesis intermediate and is often used as a raw mate…
Background and overview[1] Sitagliptin, chemical name (2R)-4-oxo-4-[3-trifluoromethyl-5,6-dihydro[1,2,4]triazole[4 , 3-a]pyrazin-7(8H)-yl]-1-(2,4,5-tr…
Background and Overview[1] 2-Fluoro-4-iodoaniline is one of the most important intermediates in the dye industry. In the dye industry, it can be used …
Background and Overview[1] 3-Bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one is an intermediate in the synthesis of benazepril hydrochloride. Benazepr…