Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter. Quality Control of 5-Aminobenzothiophene, C8H7NS. A document type is Article, introducing its new discovery., Quality Control of 5-Aminobenzothiophene
Various olefins can be smoothly transformed in the presence of a Pd-based catalyst system and (hetero)aromatic amines or nitroarenes to synthetically interesting amides in good yields and often with high regioselectivity (see scheme). Combining this atom-efficient procedure with established functionalizations of the resulting products allows the efficient preparation of quinolines. Copyright
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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem