In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. The reactant in an enzyme-catalyzed reaction is called a substrate. Recommanded Product: 4-Chlorobenzo[b]thiophene, C8H5ClS. A document type is Article, introducing its new discovery., Recommanded Product: 4-Chlorobenzo[b]thiophene
We established an improved synthetic route to 4-chlorobenzo[b]thiophene, a key intermediate in brexpiprazole synthesis, via a practical decarboxylation process in three steps. Thermal analysis demonstrated that the coexistence of the decarboxylated product with DBU should be avoided and that removal of the product outside the reactor was vital. Our process yields the target compound by distillation under reduced pressure and is safe, highly batch efficient, cost-effective, and high yielding. Furthermore, manufacturing on a pilot scale was also accomplished through our approach.
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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem