Method for producing lamotrigine from &agr;-oxo-2,3-dichlorophenyl acetamidino-aminoguanidino hydrazone by ring closure reaction
申请人:Helm AG
公开号:US06683182B2
公开(公告)日:2004-01-27
The present invention relates to a method for producing 3,5-diamino-6-(2,3-dichlorophenyl)-1,2,4-triazine (lamotrigine) by cyclization reaction from &agr;-oxo-2,3-dichlorophenylacetamidino-aminoguanidino-hydrazone.
本发明涉及一种从α-氧代-2,3-二氯苯乙酰胺基肼基脲类化合物通过环化反应制备3,5-二氨基-6-(2,3-二氯苯基)-1,2,4-三嗪(拉莫三嗪)的方法。