Method for producing 5-(1-piperazinyl) -benzofuran-2-carboxamide by transition metal-catalyzed amination
申请人:——
公开号:US20030125558A1
公开(公告)日:2003-07-03
1. 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.
制备5-(1-哌嗪基)苯并呋喃-2-甲酰胺的方法,其中,作为中间步骤,5-溴水杨醛或其衍生物之一与R2-哌嗪在过渡金属催化的氨基化反应中反应,其中R2如权利要求1所定义。