Verfahren zur Herstellung von Alkoxy- oder Aryloxypyrazinderivaten
申请人:Lonza AG
公开号:EP0889038B1
公开(公告)日:2002-05-29
US6066736A
申请人:——
公开号:US6066736A
公开(公告)日:2000-05-23
US6235905B1
申请人:——
公开号:US6235905B1
公开(公告)日:2001-05-22
US6291674B2
申请人:——
公开号:US6291674B2
公开(公告)日:2001-09-18
Process for preparing alkoxypyrazine derivatives
申请人:Lonza AG
公开号:US06066736A1
公开(公告)日:2000-05-23
A process for preparing alkoxypyrazine derivatives of the general formula: ##STR1## These alkoxypyrazine derivatives are obtained by reacting a glyoxal derivative of the general formula: ##STR2## and an aminomidiate of the general formula: ##STR3## The alkoxypyrazine derivatives are important intermediates for preparing pharmaceutically active compounds.