摘要 |
This invention concerns a new process for the catalytic carbonylation of certain aryl halides or aryl tosylates to amides by use of a complex of palladium and at least one ligand. More specifically, the invention concerns carbonylation of halogenoaromaticsulfonamides or tosylatoaromaticsulfonamides to saccharin, saccharin analogues or their salts.
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