申请人:ORTHO PHARMACEUTICAL CORPORATION
公开号:EP0212868A1
公开(公告)日:1987-03-04
A process for preparing 2-acyl-3,4-dialkoxyanilines is described. The 2-acyl-3,4-dialkoxyanilines are useful intermediates in the preparation of 5,6-dialkoxy-4-alkyl-2(1H)--quinazolinones. The substituted quinazolinones are active as cardiotonic agents.
描述了一种制备 2-酰基-3,4-二烷氧基
苯胺的工艺。2-酰基-3,4-二烷氧基
苯胺是制备 5,6-二烷氧基-4-烷基-2(1H)-
喹唑啉酮的有用中间体。取代的
喹唑啉酮具有强心剂的活性。