New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic, and theoretical assessments of solvent structures and transition states. COA of Formula: C8H5ClS, C8H5ClS. A document type is Article, introducing its new discovery., COA of Formula: C8H5ClS
To explore the high efficiency of the Buchwald-Hartwig amination with a wide substrate scope, easily prepared and air stable palladium precatalysts bearing rigid hindered N-heterocyclic carbenes (NHCs) were synthesized and characterized. A simple and efficient protocol for the amination of (hetero)aryl chlorides with amines is described, which revealed that sterically encumbered NHC ligands are crucial to promote the transformation. It is highlighted that the most challenging reactions could be performed between less reactive five-membered heteroaryl chlorides and heteroanilines. This methodology provides a rapid and straightforward access to a wide range of arylated amines with excellent functional group tolerance. Remarkably, the powerful synthetic utility of palladium precatalysts was further extended to the synthesis of pharmaceuticals.
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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem