Alpha, alpha-dibromo-alpha-chloro-acetophenones as synthons
申请人:——
公开号:US20020188130A1
公开(公告)日:2002-12-12
This disclosure relates to the use of &agr;,&agr;-dibromo-&agr;-chloroacetophenone compounds as intermediates for the preparation of aromatic carbonyl compounds, especially aromatic amides. The compound 2,5-bis(2,2,2-trifluoroethoxy)-&agr;,&agr;-dibromo-&agr;-chloro-acetophenone is especially useful as an intermediate for the preparation of flecainide, a known pharmaceutical.
ALPHA,ALPHA-DIBROMO-ALPHA-CHLORO-ACETOPHENONES AS SYNTHONS
申请人:GENEVA PHARMACEUTICALS, INC.
公开号:EP1303489A2
公开(公告)日:2003-04-23
US6458957B1
申请人:——
公开号:US6458957B1
公开(公告)日:2002-10-01
US6586598B2
申请人:——
公开号:US6586598B2
公开(公告)日:2003-07-01
[EN] alpha , alpha -DIBROMO- alpha -CHLORO-ACETOPHENONES AS SYNTHONS<br/>[FR] alpha , alpha -DIBROMO- alpha -CHLORO-ACETOPHENONES UTILES EN TANT QUE SYNTHONS
申请人:GENEVA PHARMACEUTICALS INC
公开号:WO2002004419A2
公开(公告)日:2002-01-17
This disclosure relates to the use of α,α-dibromo-α-chloroacetophenone compounds as intermediates for the preparation of aromatic carbonyl compounds, especially aromatic amides. The compound 2,5-bis(2,2,2-trifluoroethoxy)-α,α-dibromo-α-chloro-acetophenone is especially useful as an intermediate for the preparation of flecainide, a known pharmaceutical.