Original document(47 pages)  中文版
    The invention relates to a new process for the preparation of pyrazine derivatives of formula (I), which are useful as intermediates for the preparation of liquid crystalline media components or of pharmaceutically active substances.
Application Number
申请号		 200580009529 Application Date
申请日		 2005.03.31
Title 名称 New process for the preparation of diazine derivatives
Publication Number
公开号		 1934106 Publication Date
公开日		 2007.03.21
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C07D413/14;A61K31/422
Applicant(s) Name
申请人		 Hoffmann La Roche
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 liuchun qi
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