A rapid synthesis of previously unreported 3-aminoisoquinoline-5-sulfonamides
related to known kinase inhibitors was achieved by a two-step sequential
reaction of 3-chloro-5-isoquinolinesulfonyl chloride with amines.
Palladium-catalysed C-N bond formation was used to introduce
arylamine, alkylamine, and unsubstituted amino groups at C-3 of
the isoquinoline.
palladium catalysis - amination - isoquinolines - sulfonamides