| 摘要 |
<p>Process for the preparation of 5-(1-piperazinyl)benzofuran-2-carboxamide in which, as intermediate step, 5-bromosalicylaldehyde or one of its derivatives is reacted in a transition metal-catalysed amination with R<2>-piperazine, in which R<2 >is as defined in claim 1.</p> |
