background and overview[1-2] 2-bromo-1-chloro-4-trifluoromethoxybenzene is a pharmaceutical intermediate, which can be prepared from 2-bromo-4-(triflu…

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…