qiguang的所有文章" /> qiguang" />

preparation and application of p-toluenesulfonic acid tsoh_industrial additives

background and overview p-toluenesulfonic acid (tsoh) was first prepared by jaworsky in 1865 by sulfonating toluene with sulfuric acid. in 1869, engel…

preparation of 2-bromo-5-methoxyphenylboronic acid pinacol ester_industrial additives

background and overview[1] 2-bromo-5-methoxyphenylboronic acid pinacol ester is a pharmaceutical intermediate commonly used in suzuki reactions. it ha…

preparation of 2-bromo-1-chloro-4-trifluoromethoxybenzene_industrial additives

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

preparation of 3-amino-4-chlorobenzonitrile_industrial additives

background and overview[1-2] 3-amino-4-chlorobenzonitrile is a pharmaceutical intermediate. it can be nitrated from p-chlorobenzonitrile to obtain 4-c…

preparation of 2-bromo-5-methoxyphenylboronic acid_industrial additives

background and overview[1] 2-bromo-5-methoxyphenylboronic acid can be used as a pharmaceutical synthesis intermediate and can be prepared from 3-metho…

preparation and application of ethyl 3-nitrophenyl acetate_industrial additives

background and overview[1] ethyl 3-nitrophenylacetate can be used as a pharmaceutical synthesis intermediate. it can be prepared by the esterification…

preparation and application of 1-bromo-3-fluoro-5-pyrrolidinebenzene_industrial additives

background and overview[1] 1-bromo-3-fluoro-5-pyrrolidine benzene is a pharmaceutical intermediate, which can be prepared by nucleophilic substitution…

application of ethyl 4-boron-3-chlorobenzoate_industrial additives

background and overview[1] ethyl 4-boron-3-chlorobenzoate can be used as a pharmaceutical synthesis intermediate and applied in suzuki coupling reacti…

preparation of 4,4′-bis(2-bromoacetyl)biphenyl_industrial additives

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…

preparation and application of 1-(3-bromophenyl)pyrrole_industrial additives

background and overview[1] 1-(3-bromophenyl)pyrrole is an important pharmaceutical intermediate. for example, it can be used to prepare lithium 3-(pyr…

preparation of 2-bromo-6-(trifluoromethoxy)benzoic acid_industrial additives

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…

preparation of 2-chloro-4-methylbenzeneboronic acid_industrial additives

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…

Call Us

+971 55 906 6368

Email: michael@shanghaiqiguang.com

Working hours: Monday to Friday, 9:00-17:30 (GMT+8), closed on holidays

Home
Products
Application
Contact